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Thread: Contax G to MFT adapter - anyone?

  1. #251
    Super Duper
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    Re: Contax G to MFT adapter - anyone?

    Interesting. Our first design had a real focus ring, but not at the very back of the lens mount, but turned out too expensive to manufacture.

  2. #252
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    Re: Contax G to MFT adapter - anyone?

    The adapter is listed as sold on ebay and I couldn't find it anywhere else. As if only one existed in the world. The seller "lens-workshop" didn't have any. It does look good on the video - an answer to our prayers!

  3. #253
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    Re: Contax G to MFT adapter - anyone?

    Damn. That looks simply perfect.

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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by zivk View Post
    The adapter is listed as sold on ebay and I couldn't find it anywhere else. As if only one existed in the world. The seller "lens-workshop" didn't have any. It does look good on the video - an answer to our prayers!
    Hard to believe it's disappeared so quickly but you're correct -- there are no more listed. I sent the seller a message asking if more would become available. When/if I receive a reply, I'll post it here.

  5. #255
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    Re: Contax G to MFT adapter - anyone?

    you guys mean KIPON geared adapter?

    www.kipon-usa.com

    USA distrubitor in CA,you can buy from there.

  6. #256
    poffer
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    Re: Contax G to MFT adapter - anyone?

    Jonas,

    I saw your other post - it was a large part of the reason I joined to let the members know. From a purely engineering perspective, a focusing ring should be at least as strong as the gear method, as load would be more evenly spread.

    Looking at the videos, the mounting and dismounting seems to be very smooth. I am most interested to see if the adaptor could be mounted to the camera and then various lenses put on/off as needed.

    Not taken the plunge on a digital body yet, I like the idea just not the price! It must have a viewfinder, so with that added to the cost of the body, both the GF-1 & E-P1 seem to be coming in around the 800 mark.....

    best regards

    Peter

  7. #257
    poffer
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    Re: Contax G to MFT adapter - anyone?

    Hmm,

    Saw the other posts - only one.......Ooops, guess i should have bought it when I saw it....

    P

  8. #258
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    Re: Contax G to MFT adapter - anyone?

    That one adapter seems to be almost as good as one can expect. Since they are speaking Chinese (Cantonese) in the background, I assume that they are sellers from Hong Kong. Hopefully it will be available soon after the Chinese New Year.
    Stephen Lau
    Calgary, Alberta, Canada
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  9. #259
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    Re: Contax G to MFT adapter - anyone?

    Monza,

    Interesting. Our first design had a real focus ring, but not at the very back of the lens mount, but turned out too expensive to manufacture.
    Not sure it would be too bad, as long as the ring is right at the back. Obviously that is not the best place for focus to be BUT, if it had the Contax type lever on the ring, it would be easy to use.

    As far as market goes - you may be surprised, as they made a hell of a lot of cameras & lenses. My first G1 was numbered 18000, by current ones are both 87500. That means at least 70,000 - 90,000 G1s. Don't know for G2s. Must be at least one lens per camera as well as many others. Got to be 100,000 - 200,000 lenses. Most will have survived (very simple, very strong).
    At 5% sales penetration, someone could shift 5,000 - 10,000 adaptors..... Provided it is easy to focus. Aperture stop-down for screen brightness would not be an issue, as these lenses are astonishingly sharp and could be used f2.0 - f5.6 no problem.

    best regards Peter

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    Re: Contax G to MFT adapter - anyone?

    I also sent an e-mail to the supplier of the focus ring adapter. I will report back if and when I hear from them.

    Howard

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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by poffer View Post
    Jonas,

    I saw your other post - it was a large part of the reason I joined to let the members know.
    (...)
    Not taken the plunge on a digital body yet, I like the idea just not the price! It must have a viewfinder, so with that added to the cost of the body, both the GF-1 & E-P1 seem to be coming in around the 800 mark.....
    Peter,

    I'm happy you joined the forum to let us know.
    The item 380209260478 is sold. At the top of the page one can click "View relisted item" which brings you to item 300400833253, also sold. So, they made at least two of them...

    I think we can relax, there is no doubt they will list more of these adapters.

    As I don't care a lot about what my camera looks like I use a G1. The viewfinder is included together with an articulating LCD screen. The G1 sells for less money, is better in some ways, worse in other.

    I'll report back here on the adapter when it arrives.

    Cheers,

    /Jonas

  12. #262
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by Jonas View Post
    So, they made at least two of them...

    I think we can relax, there is no doubt they will list more of these adapters.


    I'll report back here on the adapter when it arrives.

    Cheers,

    /Jonas
    Hi Jonas,
    Did you know how much the adapter was sold for, even roughly? Thanks.
    Stephen Lau
    Calgary, Alberta, Canada
    http://www.pbase.com/stephenl

  13. #263
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by slau View Post
    Hi Jonas,
    Did you know how much the adapter was sold for, even roughly? Thanks.
    The first one was sold for USD 180, the second one for USD 200. (You can see the prices if you check the eBay auctions.)

    regards,

    /Jonas

  14. #264
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by Jonas View Post
    The first one was sold for USD 180, the second one for USD 200. (You can see the prices if you check the eBay auctions.)

    regards,

    /Jonas
    I wonder if they'll price the next one at USD 220?

    It'll be interesting to see where the price stabilizes. And even more interesting to see how long it takes for someone else to copy the design and offer the replica at a lower price.

  15. #265
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    Re: Contax G to MFT adapter - anyone?

    If anyone is looking for a nice Contax G 45 2 planar, KEH just listed some nice ones at reasonable prices:
    http://www.keh.com/Search-Products/1...de/0/0/SE.aspx
    Carl
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by Jonathon Delacour View Post
    I wonder if they'll price the next one at USD 220?

    It'll be interesting to see where the price stabilizes. And even more interesting to see how long it takes for someone else to copy the design and offer the replica at a lower price.
    I think they were both offered for USD 200, but with a "Best offer" option. Anyway, it's an expensive adapter and it will be very interesting to see exactly how smooth the focusing wheel will feel. The Kipon adapter works fine but I would prefer having a "traditional" ring to turn back and forth.

    /Jonas

  17. #267
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    Re: Contax G to MFT adapter - anyone?

    I wonder that are they just testing the market to see what price the users are willing to pay? When they are back to normal business after Chinese New Year, I hope the product will be widely available soon. It sure looks like the best G adapter available today. Usually they are smart businessmen who will try to capture the market as much as possible and still optimize their price. They know pretty well that copy of their designs are probably done and going through test now. RJ kind of misses the boat by not going after the market quicker and sooner.
    Last edited by slau; 25th February 2010 at 17:31.
    Stephen Lau
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    Re: Contax G to MFT adapter - anyone?

    Stephen,

    I am not sure they will learn what the market is by offering adapters at a high price. They will learn what a few eager buyers will pay. Once those eager buyers have purchased adapters, the sellers will have to deal with more discerning, price sensitive buyers and the price will settle down to a more reasonable level. While I have not thought about this completely, at $200 I am not a buyer, but at $120, I may be a buyer.

    Howard

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    Re: Contax G to MFT adapter - anyone?

    Howard,
    That makes two of us. I really like my Contax G lens and have been waiting until last month to get my RJ adapter. I cannot see myself paying $200 for an adapter, even I love my old favorite Contax G lens. I will only do it if there is no alternative (i.e. no other good prime lens in the focal length). My closest alternative is my Minolta M-Rokkor 40f2.0 + M adapter and Zeiss Planar C/Y 50f1.4 + C/Y adapter. But, I have read a lot of users will pay more than $200 for an adapter. Each of us looks at dollars differently, I guess.
    Stephen Lau
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  20. #270
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    Re: Contax G to MFT adapter - anyone?

    Bear in mind it's a lot more complicated to have a geared adapter. Gears are not cheap to design or manufacture. Other adapters like for C/Y lenses are basically just extension tubes.

    Considering people pay huge amounts for certain c-mount lenses, or Leica lenses, to use on micro 4/3, the G lenses + adapter are absolute bargains.

  21. #271
    Member slau's Avatar
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by monza View Post
    Bear in mind it's a lot more complicated to have a geared adapter. Gears are not cheap to design or manufacture. Other adapters like for C/Y lenses are basically just extension tubes.

    Considering people pay huge amounts for certain c-mount lenses, or Leica lenses, to use on micro 4/3, the G lenses + adapter are absolute bargains.
    Is it safe to assume that your adapter will be priced above $200 ?
    Stephen Lau
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  22. #272
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    Re: Contax G to MFT adapter - anyone?

    No, nothing is safe to assume. Here is one way to keep the cost down:

    Build in China where cheap labor trumps everything. China manufacturing wages are about 3% of US wages. For comparison Japan is about 80% of US wages. Imagine the outcry if a US manufacturer advertised for manufacturing jobs at less than $1/hour. That's what they are in China.

    I'd prefer to build my adapter in the US, and I'd prefer to make a profit doing it. But if it can't be done, I won't.

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    Re: Contax G to MFT adapter - anyone?

    I received the following message from the supplier of the adapter with the focusing ring. They responded as follows:

    "The item is currently out-of-stock. The manufacturing for the next lot will take 3-4 weeks.

    We are accepting ordering at the moment.
    The price is USD$220/each, full payment to be settled by Paypal upon confirmation of the order. Free shipping to worldwide is offered.

    The manufacturing and delivery time is estimated 3-5 weeks.

    Please review. Best regards,
    www.lens-workshop.com"

  24. #274
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by Jonathon Delacour View Post
    I wonder if they'll price the next one at USD 220?

    It'll be interesting to see where the price stabilizes. And even more interesting to see how long it takes for someone else to copy the design and offer the replica at a lower price.
    Quote Originally Posted by Howard View Post
    I received the following message from the supplier of the adapter with the focusing ring. They responded as follows:

    "The item is currently out-of-stock. The manufacturing for the next lot will take 3-4 weeks.

    We are accepting ordering at the moment.
    The price is USD$220/each, full payment to be settled by Paypal upon confirmation of the order. Free shipping to worldwide is offered.

    The manufacturing and delivery time is estimated 3-5 weeks.

    Please review. Best regards,
    www.lens-workshop.com"
    If only my intuition was always as accurate as this.

    Bring on the replicas!

  25. #275
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    Re: Contax G to MFT adapter - anyone?

    For those who are looking for the contax g mount with focus ring from lens workshop, the word on the street is that they have a few but in black not silver. You'll probably see it on ebay later today.

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    Re: Contax G to MFT adapter - anyone?

    I just bought one (sorry, monza--I couldn't resist). There's one remaining...

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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by gmoe View Post
    (...) but in black not silver. You'll probably see it on ebay later today.
    Yup. USD 230 now. I think we need some competition.

  28. #278
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    Re: Contax G to MFT adapter - anyone?

    Maybe you can wait for KIPON new version with focus ring,better quality,better outlooking,for those adapter manufactures,KIPON is a leading company in this field.They just show their nice adapters in Anaheim PMA this time.

  29. #279
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by skywalker View Post
    Maybe you can wait for KIPON new version with focus ring,better quality,better outlooking,for those adapter manufactures,KIPON is a leading company in this field.They just show their nice adapters in Anaheim PMA this time.
    Did they show a Contax G adapter in PMA?
    Stephen Lau
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  30. #280
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by mabelsound View Post
    I just bought one (sorry, monza--I couldn't resist). There's one remaining...
    I don't think that you can go wrong based on that design, which is definitely the best so far. Please let us know your impression of the adapter after you have a chance to play with it. Thanks.
    Stephen Lau
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    http://www.pbase.com/stephenl

  31. #281
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    Re: Contax G to MFT adapter - anyone?

    Not with the new Lens-works adapter, it hasn't arrived yet. But it is fully possible to focus with the Kipon adapter in this situation:


    "Looking good?" G1, Planar G 45/2, @f/2

    regards,

    /Jonas
    Last edited by Jonas; 3rd March 2010 at 14:25.

  32. #282
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by slau View Post
    Did they show a Contax G adapter in PMA?
    Yes, they had a table full of all their existing adapters. They didn't have any of the ones as far as I could tell - I only saw the regular Contax-G adapter with the side wheel. I think KIPON makes some of the nicer adapters out there. I have their C-mount adapter and I'm very pleased with it.

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    Re: Contax G to MFT adapter - anyone?

    Jonas, that is a killer photo!

  34. #284
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by mabelsound View Post
    Jonas, that is a killer photo!
    +1

    Absolutely excellent!

  35. #285
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by Jonas View Post
    Not with the new Lens-works adapter, it hasn't arrived yet. But it is fully possible to focus with the Kipon adapter in this situation:


    "Looking good?" G1, Planar G 45/2, @f/2

    regards,

    /Jonas
    Excellent. Precision manual focusing Jonas. Try doing that with autofocus
    Carl
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  36. #286
    skywalker
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    Re: Contax G to MFT adapter - anyone?

    not KIPON former geared vertion,they are producing the latest G adapter with outside big focus ring,the adapter they showed at PMA is the former geared version Jonas bought.

  37. #287
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    Re: Contax G to MFT adapter - anyone?

    mabelsound, Jonathon and Carl, wow, Thank you for the nice comments.

    /Jonas

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    Re: Contax G to MFT adapter - anyone?

    If you're talking about the geared, Kipon adapter for the G1/G2 lenses, I bought one about 2-3 weeks ago when the discussion started here for about US $ 120 or so. Took a couple of weeks to get here. I also have the non-geared adapter which I could not get off of my 90mm lens (I quit trying and decided the convenience of having an adapter on each lens was worth $120. The geared adapter is much easier to use, but the non-geared adapter works well once you get used to it. One thing I discovered trying to rest the lens on a window ledge was that the knob won't turn at all if the lens itself is obstructed in anyway for moving. It feels stuck, but when you pick it up it works fine. So, I would recommend the geared one first, but either one if it means going up to $200 to get one. That's more than the 90mm lens! I guess I ordered soon enough to get the first batch. Also, I read somewhere on the web that the lens should be all the way closed before being mounted on the G1/2 camera. I never had the camera, so I don't know if that's true for the Panasonic G1 with adapter or not.

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    Re: Contax G to MFT adapter - anyone?

    An USD 180 adapter experience:

    Or if it is USD 200 or 230 now... I received my lens-workshop adapter last Friday. Cool, finally a focus ring for my G lenses!

    Here are my first hands-on experience. It's based on a few shorts moments only as I've been at work for the whole weekend:

    → The adapter seem to be of good quality as in well put together.
    → It is not easy to mount and un-mount the lens. Fiddly stuff. I even didn't manage to mount one of my lenses at all.
    → With the Planar 45 you turn the ring about 100 or 110 degrees to go from MFD to infinity.
    → There is a little play, I guess it is inevitable, in the focus ring when changing direction.
    → One can't turn the ring from one end to another in one smooth movement. On my G1 the extending flash house/viewfinder housing gets in the way. So does the lens release lever on the adapter.

    You can see what I mean with the lens release lever if you check the YouTube links peter gave us in post 249 at page 5. And yes, I know how to mount and un-mount the G lenses and can switch between them in seconds, with a nice clickety-click using the Kipon adapter.

    All that may sound bad, and it is bad. The good things are that it feels more natural to turn a ring than it does to operate the focusing wheel on the Kipon adapter. Another thing is that I'm playing with a simple focusing scale (on a G lens...!)

    Hmm. I think lens-workshop should have made the focusing ring wider.

    I'll use the adapter more during the coming week and I'll post again including some images (if needed) and more on how I find the adapter in real use.

    /Jonas

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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by Jonas View Post
    An USD 180 adapter experience:

    Or if it is USD 200 or 230 now... I received my lens-workshop adapter last Friday. Cool, finally a focus ring for my G lenses!

    Here are my first hands-on experience. It's based on a few shorts moments only as I've been at work for the whole weekend:

    → The adapter seem to be of good quality as in well put together.
    → It is not easy to mount and un-mount the lens. Fiddly stuff. I even didn't manage to mount one of my lenses at all.
    → With the Planar 45 you turn the ring about 100 or 110 degrees to go from MFD to infinity.
    → There is a little play, I guess it is inevitable, in the focus ring when changing direction.
    → One can't turn the ring from one end to another in one smooth movement. On my G1 the extending flash house/viewfinder housing gets in the way. So does the lens release lever on the adapter.

    You can see what I mean with the lens release lever if you check the YouTube links peter gave us in post 249 at page 5. And yes, I know how to mount and un-mount the G lenses and can switch between them in seconds, with a nice clickety-click using the Kipon adapter.

    All that may sound bad, and it is bad. The good things are that it feels more natural to turn a ring than it does to operate the focusing wheel on the Kipon adapter. Another thing is that I'm playing with a simple focusing scale (on a G lens...!)

    Hmm. I think lens-workshop should have made the focusing ring wider.

    I'll use the adapter more during the coming week and I'll post again including some images (if needed) and more on how I find the adapter in real use.

    /Jonas
    Thanks for your comments on the lens-workshop adapter. Is it difficult to grip the focus ring because it is at the back and close to the camera body? Do your fingers get pinched or rub on the camera body when turning the ring?
    Carl
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by Jonas View Post
    An USD 180 adapter experience:

    Or if it is USD 200 or 230 now... I received my lens-workshop adapter last Friday. Cool, finally a focus ring for my G lenses!

    Here are my first hands-on experience. It's based on a few shorts moments only as I've been at work for the whole weekend:

    → The adapter seem to be of good quality as in well put together.
    → It is not easy to mount and un-mount the lens. Fiddly stuff. I even didn't manage to mount one of my lenses at all.
    → With the Planar 45 you turn the ring about 100 or 110 degrees to go from MFD to infinity.
    → There is a little play, I guess it is inevitable, in the focus ring when changing direction.
    → One can't turn the ring from one end to another in one smooth movement. On my G1 the extending flash house/viewfinder housing gets in the way. So does the lens release lever on the adapter.

    You can see what I mean with the lens release lever if you check the YouTube links peter gave us in post 249 at page 5. And yes, I know how to mount and un-mount the G lenses and can switch between them in seconds, with a nice clickety-click using the Kipon adapter.

    All that may sound bad, and it is bad. The good things are that it feels more natural to turn a ring than it does to operate the focusing wheel on the Kipon adapter. Another thing is that I'm playing with a simple focusing scale (on a G lens...!)

    Hmm. I think lens-workshop should have made the focusing ring wider.

    I'll use the adapter more during the coming week and I'll post again including some images (if needed) and more on how I find the adapter in real use.

    /Jonas
    I have the geared Kipon adapter for my 90mm (and 35mm soon). I find it good. I wouldn't say it was superior to the regular focusing ring but it is still good: smooth precise and easy to use. The only "problem" I've experienced is forgetting where it is momentarily and having to take a peek.

    But that will be solved with practice and muscle memory.

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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by scho View Post
    Thanks for your comments on the lens-workshop adapter. Is it difficult to grip the focus ring because it is at the back and close to the camera body? Do your fingers get pinched or rub on the camera body when turning the ring?
    You're welcome Carl,

    I'm sorry for the late reply. Real life knocked on the door and there was nothing including taking images of camera adapters in it, lol.

    So, here is a series of images and I hope they will answer your questions.

    #1

    Above: The lens-shops adapter sitting between the G1 and the Planar 45/2. Under the camera's lens release button we can see the adapter lens release lever. It is qyite close to the narrow focusing ring.

    #2

    Above: Camera/adapter profile. As I have a G1 the prism house (sick, it is a viewfinder house or a flash house) protrudes and covers the adapter focusing ring.

    #3

    Above: My thumb touches the mentioned house. I start to turn the ring.

    #4

    Above: My thumb now rests agains the release lever. As it is about 100 degrees, maybe a little more, from MFD to infinity you can see I have to repeat this four or fives time to focus from one extreme to another.

    #5
    Above: The Kipon adapter. The focusing wheel is sitting under the adapter's lens release button.

    Finally, #6

    ABove: An un-necessary image but now it got processed together with the other ones. Going from infinity to MFD is four, three if stretching a little, repeated movements with the thumb.

    During todays experimenting I haven't found anything new or different from the first early report. The focusing wheel is brilliant and the idea is technically well performed but the ergonomics doesn't suit me and my choice of camera.

    In the video clips the folks at lens-workshops show the adapter together with a GF1. I would think the adapter works better ergonomically on that camera, or with any of the Olympus models. The disclaimer here is of course that you should be aware I'm just reporting on (from?) my short experience, and my camera and my fingers. YMMV.

    For the moment I'm not intended to switch to any of these models. Anyone in the EU interested in buying my already VATed adapter? Send me a PM.

    hth,

    /Jonas

  43. #293
    Senior Member apicius9's Avatar
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    Re: Contax G to MFT adapter - anyone?

    Jonas, you make great points about the usefulness. Makes me wonder... I will probably go the same route as you, try both and then decide. The ring being close to the adapter is something I am used to from several of the c-mount lenses I have, but I didn't consider the limitation because of the lens release buttons. The larger ring instills a little bit more confidence than the little wheel IMHO, but that may just come down to personal preference. I'm also wondering: How often do you really chase from one extreme to the other in focusing, won't the majority of cases in real life imply mostly smaller focus adjustments - and make the limitations relative?

    Stefan

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    Re: Contax G to MFT adapter - anyone?

    Jonas, do you feel that relatively short focus throw of 100-110 degrees allows enough precision for critical focusing?

    Also, did you think about removing the lens release lever? Certainly this will turn the adapter into a dedicated to one lens adapter. I'm almost sure that if really needed the adapter could be removed from a lens using a small screwdriver to push the latch.

    Alex

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    Re: Contax G to MFT adapter - anyone?

    That's how I have to remove my RJ adapter anyway. Since the process is now very deliberate (no more fast shooting from the hip with these lenses on GF-1) I don't particularly mind the screwdriver. On second thought, though, with more training I could perhaps get relatively fast even with the tiny wheel on RJ and start using GF-1 for street photography. That's a challenge.

    Marko


    Quote Originally Posted by Alex Souvorov View Post
    ... I'm almost sure that if really needed the adapter could be removed from a lens using a small screwdriver to push the latch.

    Alex

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    Senior Member Devon Shaw's Avatar
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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by Jonas View Post
    You're welcome Carl,


    #5
    Above: The Kipon adapter. The focusing wheel is sitting under the adapter's lens release button.


    During todays experimenting I haven't found anything new or different from the first early report. The focusing wheel is brilliant and the idea is technically well performed but the ergonomics doesn't suit me and my choice of camera.


    /Jonas
    That geared focusing wheel looks like it could really dig into your thumb. How is this in actual use?
    Thanks,
    Devon

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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by zivk View Post
    That's how I have to remove my RJ adapter anyway.
    Marko
    Marko, I also have an RJ adapter. Initially I thought that it was impossible to remove the adapter. Eventually I found that it helps to close aperture before removing the adapter. It also helps to push the finger deep between the release button and the rest of the contraption.

    Alex

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    Re: Contax G to MFT adapter - anyone?

    Jonas,

    Thank you for posting the photos and commentary on the focus ring adapter. After seeing the photos and reading your observations, my excitement for the focus ring adapter has diminished. I have large hands and I believe I would have difficulty given the small width of the focus ring. I am again interested in Monza's geared adapter when it becomes available.

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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by apicius9 View Post
    Jonas, (...)I'm also wondering: How often do you really chase from one extreme to the other in focusing, won't the majority of cases in real life imply mostly smaller focus adjustments - and make the limitations relative?
    Stefan
    Hi Stefan,

    I don't chase anything from MFD to infinity very often, lol, you are right. I have used the combo a little more today and what that feels a bit awkward, to me at least, is the way I gave to angle the hand not to get hooked on the lens release lever. It just doesn't feel comfortable to me.

    The Planar G 45/2 has a MFD of 0.5m. Today I measured the rotation from 1m to infinity and it is a bit less than 30 degrees and so it can be handled in one movement. That is if you grip the ring at the right position. I guess one can do with some practising.


    Quote Originally Posted by Alex Souvorov View Post
    Jonas, do you feel that relatively short focus throw of 100-110 degrees allows enough precision for critical focusing?
    Hi Alex,

    The Planar G 45/2 has a MFD of 0.5m. Today I measured the rotation from 1m to infinity and it is a bit less than 30 degrees. That is short, but not very short. Compare to the lenses you have. I did and several of my lenses around 50mm are like that. The difference is they have common straight helicoids for focusing.

    The problem with this combo and critical focusing is the screwdrive AF construction combined with the geared focusing ring. There is a play when switching direction of the ring, there are many mechanical links and sometimes they can offer points with increased resistance.

    It's not like anything is jamming or binding but the resistance is uneven and there is a lot of feedback from the fingers for the brain to deal with...

    Also, did you think about removing the lens release lever? Certainly this will turn the adapter into a dedicated to one lens adapter. I'm almost sure that if really needed the adapter could be removed from a lens using a small screwdriver to push the latch.

    Alex
    Yup. I'll do that unless I sell the adapter. When I get a serious interest in a lens and believe I'll keep it for a long time it always gets its own dedicated adapter anyway. I don't want to move around adapter and lens caps when switching lenses.


    Quote Originally Posted by zivk View Post
    That's how I have to remove my RJ adapter anyway. Since the process is now very deliberate (no more fast shooting from the hip with these lenses on GF-1) I don't particularly mind the screwdriver. On second thought, though, with more training I could perhaps get relatively fast even with the tiny wheel on RJ and start using GF-1 for street photography. That's a challenge.

    Marko
    Marko,

    The geared wheel (Kipon, Robert [monza], adapters is probably way better for street shooting. But, well, I haven't tried the RJ adapter. The Kipon adapter makes for pretty easy fast focusing as long as it isn't super critical.


    Quote Originally Posted by Devon Shaw View Post
    That geared focusing wheel looks like it could really dig into your thumb. How is this in actual use?
    Thanks,
    Devon
    Devon, what you see is a reflection from the edge of the cogwheel. The width of the wheel is, moment... 1.7mm. Then there is a 1mm washer right behind the cogwheel preventing it from dig deep into your thumb.

    In actual use it works fine. No aching thumb here.

    Quote Originally Posted by Howard View Post
    Jonas,

    Thank you for posting the photos and commentary on the focus ring adapter. After seeing the photos and reading your observations, my excitement for the focus ring adapter has diminished. I have large hands and I believe I would have difficulty given the small width of the focus ring. I am again interested in Monza's geared adapter when it becomes available.
    Hi Howard,

    I think we all are interested in Robert's adapter. I haven't seen any description of it and it will be interesting to see if there is any difference between it and the Kipon adapter. At another place in this thread I read Kipon will make an adapter with a focusing ring. It may be worth checking that out as well.

    The lens-workshop's focusing ring as about 5mm wide. My hands are ordinary, or just a little larger than Medium. I have no problem gripping the focusing ring. As mentioned earlier I think it would work fine if I could grip it from the bottom rather than side.

    @All:

    Remember this is me and my preferences. I have reason to believe at least one other regular poster here has the lens-workshop adapter on order. I got mine early, offered USD 180 which was accepted. I'm not sure about USD 230 as their going price is right now. So I think it is a good idea to wait for more opinions and impressions before deciding in either direction.

    regards,

    /Jonas

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    Re: Contax G to MFT adapter - anyone?

    Quote Originally Posted by Jonas View Post
    I have reason to believe at least one other regular poster here has the lens-workshop adapter on order.
    Mine has been shipped; I'll report back for sure.

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