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Thread: I-Phone holder

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    I-Phone holder

    first photos as prototyping is done (will be anodized black); a shot of my new product, the I-phone holder. Front view in landscape mode on my Cambo
    Details
    1. Screw clamp holds the phone;
    2. Phone rotates on the phone lens axis from portrait to landscape (click stops), so the image stays centered;
    3. Fitted with hot shoe adapter; Alpa base an option
    4. Base has parallax adjustment for close framing up to 3' (adjustment wheel is numbered)
    5. precision machined from aluminum and stainless steel

    These will be going into production very soon; every part is made in my shop and there are about 15 custom made parts plus numerous springs and fasteners. will sell for $750 with either hot shoe base or Alpa base (will make an Arca base once I see one!)



    Last edited by Terry; 16th April 2011 at 13:54.

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    Re: I-hone holder

    rear/side view


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    Re: I-hone holder

    rear/side view; adjusted to correct for parallax


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    Senior Member stephengilbert's Avatar
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    Re: I-hone holder

    Very nice, John. Now if I can just find a WA lens for my I-Phone 3GS.

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    Re: I-Phone holder

    Good idea, but how long my iPhone battery can handle shooting outdoor? if it will be longer than the camera itself then this will not be an issue, but if one day my iPhone is not recharged enough[forgot to recharge], what i have to do?
    Tareq

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    Re: I-Phone holder

    Nice machining!

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    Workshop Member lance_schad's Avatar
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    Re: I-Phone holder

    Quote Originally Posted by Professional View Post
    Good idea, but how long my iPhone battery can handle shooting outdoor? if it will be longer than the camera itself then this will not be an issue, but if one day my iPhone is not recharged enough[forgot to recharge], what i have to do?
    I had a chance to see it and handle it first hand. John has done a very nice job with this adapter, it is brilliant how the iPhone rotates around the lens.

    Its funny you mention iPhone battery life, I noticed that John had one of those big wave battery packs to power his H3D, it had both firewire and usb ports, so you could just recharge your iPhone from that pack as well.

    Lance
    LANCE SCHAD - Digital Transitions - Phase One,Mamiya | Leaf,Arca-Swiss,Cambo, Profoto
    direct/cell:610-496-5586 office:877-367-8537x224
    http://www.digitaltransitions.com email:[email protected]

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    Re: I-Phone holder

    Quote Originally Posted by lance_schad View Post
    I had a chance to see it and handle it first hand. John has done a very nice job with this adapter, it is brilliant how the iPhone rotates around the lens.

    Its funny you mention iPhone battery life, I noticed that John had one of those big wave battery packs to power his H3D, it had both firewire and usb ports, so you could just recharge your iPhone from that pack as well.

    Lance
    I would like to know about that battery pack [where and what], and do you mean to recharge in fields?
    Tareq

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    Workshop Member lance_schad's Avatar
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    Re: I-Phone holder

    Quote Originally Posted by Professional View Post
    I would like to know about that battery pack [where and what], and do you mean to recharge in fields?
    This is what the device looks like. It is an external power source to be used to power firewire and usb devices.

    Provides power over:

    FireWire 1394 6-pin port (9V)
    USB 2.0 port (5V)
    30 minutes of use when powering the Hasselblad digital back (not on Hasselblad H-body)
    400% increase of Li-Ion battery grip for H3D/H4D
    Specification:

    Input Power 5v @ 1.0A (Max)
    Output 5v and 9v (1A Max)
    Charging Time Via AC Adapter 4-6 hours/Via USB Port 6-7 hours
    Battery Capacity 3.7V 3800mAH Lithium Ion Battery
    Weight 4.8oz
    Size 104 x 61.2 x 17 mm (L x W x H)
    Operating Temp 32deg F – 149 deg F



    Lance
    LANCE SCHAD - Digital Transitions - Phase One,Mamiya | Leaf,Arca-Swiss,Cambo, Profoto
    direct/cell:610-496-5586 office:877-367-8537x224
    http://www.digitaltransitions.com email:[email protected]

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    Senior Member PSon's Avatar
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    Re: I-Phone holder

    I would like to support the great effort and buy one.
    Thank you,
    Son

  11. #11
    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: I-Phone holder

    John - looks like a nice job. Not quite as small and elegant as the Alpa mount but you have added a lot of extra stability and functionality with the rotation & parallax correction - both nice additions.

    With respect to iPhone battery life, based on using an iPhone exclusively as my Alpa VF now, you need to remember that you don't need the VF on all the time, only when framing etc. In between, put the iPhone to sleep. VIewfinder Pro will kill the battery if you leave the camera live for a long time.

    The are a few solutions for full day shooting:
    1) turn off iPhone between shots - once youre composed, you don't need it on!
    2) use a battery case for the iPhone - these provide much much more battery life and it looks like you can fit one of these with John's adapter (a challenge on the current Alpa mount).
    3) as Lance mentioned, use an external battery pack with USB to keep the iPhone charged when you need to. There are many of these solutions available and they work well.

    Quote Originally Posted by stephengilbert View Post
    Very nice, John. Now if I can just find a WA lens for my I-Phone 3GS.
    Sigh ... Ditto for iPhone 4. I have one but it's far from elegant.

    Hmm, maybe John could find a wide angle converter to screw into front of his adapter - I'd buy one for that solution!
    Remember: adventure before dementia!

    As Oscar Wilde said, "my tastes are simple, I only like the best"

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    Re: I-Phone holder

    OK, i will look at one of those battery packs power devices, not sure when but i may get one of those tech cameras in the future, hope by next year or after, and i have iPhone 4, so i have to find a way to keep its battery life longer, and using live view as you said will decrease battery power level significantly, i don't know why, even that tech camera with DB is a great solution for outdoors but i feel i didn't like it much, I tried it once with Mr. Bryan, it was really a guess work and using math more often, i hate to use my mind for calculations and math while i am shooting, i mean for focusing and composing and distances, not for exposure values.
    Tareq

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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: I-Phone holder

    Tareq,

    I wouldn't worry about the fact that you don't like using a tech camera - it's definitely not for everyone. In fact, most of the reasons why you don't like using one are probably the reasons why some of us DO like using them. However, if you've got a job to get done or speed is part of the way you shoot then definitely shooting a DSLR based system is quicker than messing with viewfinders, measuring distances, manual shutter recocking, aperture setting, LCC shooting etc etc.

    Now what John has produced here is something to make the shot framing easier using tools for the iPhone like Viewfinder Pro vs the even greater rigmarole of approximation using optical finders with proportionally marked masks and/or ground glass viewing.
    Remember: adventure before dementia!

    As Oscar Wilde said, "my tastes are simple, I only like the best"

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    Re: I-Phone holder

    the ARCA viewfinder is not so bad... i like the idea of using the iphone for framing, but in bright light... and one more battery to deal with...

    by the way, on the RM3D the base is the same shape as the arca rail... really nice design...

  15. #15
    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: I-Phone holder

    Quote Originally Posted by archivue View Post
    the ARCA viewfinder is not so bad... i like the idea of using the iphone for framing, but in bright light... and one more battery to deal with...
    .
    Oh don't get me wrong regarding optical VF's - the Alpa one is great too but the real advantage of the iPhone (or any digital VF in this regard) is that you can zoom to make the image fill the VF screen, regardless of focal length. For wide angles this is no big deal because the optical finders handle this very well. If you have longer lenses then the advantage of filling the VF screen is much greater vs composing against a small etched mask in the middle of a large VF optimized for super wide lenses like 23 or 24mm. That's what I really like as it makes composing with my 90mm or 150mm lenses better. IMHO.

    For the Arca no doubt the vario-zoom is managing all this for you. For everyone else John's solution with the iPhone is an alternative.
    Remember: adventure before dementia!

    As Oscar Wilde said, "my tastes are simple, I only like the best"

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    Re: I-Phone holder

    i am going to try and get out there today for some shooting, but here is my thinking.
    i always have the iphone in my pocket; recently having installed viewfinder pro, i can use it like a superb director's finder. it will zoom to full screen and will match framelines to your exact back and exact lens. I was amazed to find the 43 and 70mm choices and the H39 back on the VP menu.

    mounting the phone to the camera takes it to the next step, but that has to be quick and accurate, work for portrait and landscape, and in my opinion, be of very high quality. So far, from what i have seen, the phone image and the camera image are virtually identical, speaking of framing, of course.

    Alpa makes one for about the same money, however, but phone rotation is by unhooking and re-hooking and the phone lens axis shifts, there is no provision at all for parallax, and if you want to use it with a hot shoe, alpa will sell you a hot shoe adapter for $250 more

    What I have now is much better than an optical viewfinder, for about half the price. The main disadvantage is shading the phone in bright light, but this is no worse than viewing any lcd, even the new IQ


    When I looked at the phase IQ180 and saw the "i-phone quality" lcd, a bit smaller, it seemed like this might be a good pairing. after all, once you get hooked by pinch-zooming, how do you go back? curiously, with the phone viewfinder, you compose and then shoot; with the IQ you shoot and then compose. seems like they could work together
    Last edited by jlm; 17th April 2011 at 06:09.

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    Re: I-Phone holder

    after a bit of fiddling around with this unit, i decided to add a couple more features:

    1. the parallax adjustment wheel has ten numbered divisions, with each division adding another .006", .062 per revolution, up to about .187 total movement. I added an index which records how many revolutions. My rough calculation is that .140" will tilt down about 6 degrees, so that would be 2.2 revolutions. 6 degrees is about right for a 36" subject distance. once you test this out with your own camera, you can reproduce the tilt needed for the subject distance. I'll probably include a chart.

    2. the phone holder can be user tweaked in terms of left-right to match the phone capture to the camera capture. So for slight mis-alignment of your hot shoe, you can easily achieve registration and it will stay that way

    3. this holder is made for a phone with the thin protective cover, but will be supplied with a spacer so you can use your phone naked

    finally i am patent pending

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    Re: I-Phone holder

    Quote Originally Posted by jlm View Post
    3. this holder is made for a phone with the thin protective cover, but will be supplied with a spacer so you can use your phone naked
    Nice John. What about fitting for the iPod Touch?

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    Re: I-Phone holder

    have not tried the touch, will try that out. i don't think it has as wide angle a lens as the 4

    by the way, i just got a wide angle lens for the phone and will definitely be able to fit it! tiny little thing

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    Re: I-Phone holder

    Quote Originally Posted by jlm View Post
    i just got a wide angle lens for the phone and will definitely be able to fit it! tiny little thing
    What wide angle adapter did you get? There are a few available, but hit and miss in terms of fit.

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    Senior Member David Schneider's Avatar
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    Re: I-Phone holder

    John,

    Great meeting you at my studio a couple of weeks ago. Glad you made it! Sorry the ride in was so long.

    It was really facinating seeing your iPhone holder and learning about how you made it. It's a piece of working art.

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    Re: I-Phone holder

    this was the lens I picked up, but am ope to any suggestions

    http://photojojo.com/store/awesomene...-phone-lenses/

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    Re: I-Phone holder

    am about finished with the first production run of 12.

    prototyping led to the following:

    each full revolution of the parallax dial moves the plates exactly 1/16" and is calibrated in 10 divisions, total of 2-1/2 revolutions available. On my Cambo, where the Iphone and camera lenses are 5" apart, the total movement of .187" allows the correct framing of a subject 26" from the lens

    the holder will allow the .67x wide angle adapter from photojojo, (changes the widest angle of the I-phone to 28mm MF equivalent, without the adapter, the widest MF lens is 43mm). Viewfinge Pro has an option to adjust for the .67x wide angle adapter

    bases will available with a hot shoe (cambo), or direct mount for Alpa and Arca

    fine tuning on your camera for L/R aiming and infinity (zero tilt) is easily do-able (typically one time adjustments, if needed at all)

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    Re: I-Phone holder

    Prototyping over and in production.

    here is the final unit, this one has the Arca mount


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    Re: I-Phone holder

    here with the hot shoe foot, mounted on my Cambo and tilted down 6 degrees to correct for parallax for and object 1 meter away
    the tilt wheel has ten marked divisions, one rotation moves the plates .062". the little post has one mark per wheel revolution. 6 degrees is about two revolutiions


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    Re: I-Phone holder

    basic functions:
    click stop rotations between landscape and portrait orientation
    Ihone rotates on phone lens axis, so no image shift when rotating
    fits I-phone with thin case or no case
    supplied with hot-shoe base or Arca foot; Alpa hot shoe adapter available as well
    designed the for use with Viewfinder Pro software/app. This allows you to set framelines that match your lenses and the aspect ratio and size of your digital back. each frameline zoomable to full screen on the retina display


    changes that are in this final version:
    will allow a wide angle adapter for the i-phone (photojobo) corresponding to a 28mm camera field of view
    black anodized finish
    there is a user adjustment for L/R aiming, should that be needed
    tilt is calibrated and has a zero stop, allows up to 26" close focus correction
    Last edited by jlm; 22nd May 2011 at 14:41.

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    Re: I-Phone holder

    NICE

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    Re: I-Phone holder

    back in action after a swamped few months of regular work.

    hot-shoe mount (Cambo), Arca mount, Alpa mount


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    Re: I-Phone holder

    John

    My congratulation and admiration .
    That is a great design and mechanical job you have done here .
    I do hope , your efforts will pay off .
    Best regards .
    Regards . Jürgen .
    -----------------------------------------------------------------------------------

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    Re: I-Phone holder

    after seeing Graham's cute little wide angle set for the I-phone, the wheels have been turning.

    i just completed a modification that will allow fitting this little lens to my holder, i'm pretty sure I can do it without having to fit the phone case that comes with the lens, will make one this weekend. Parallax base and various camera mounts will not be changed

    results:

    with the phone in the holder, you can use the standard FOV (widest is 43mm on a full frame DB), or pop on the wide angle lens to bump the FOV to 35mm orn so.

    also am adding a mod so phones with various cases will all fit

    a benefit of the I-phone over an optical viewfinder is that you not only see the entire FOV full screen for all your lenses as fitted to your back, but you can zoom in. very useful for panos
    Last edited by jlm; 1st March 2012 at 16:23.

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    Senior Member Steve Hendrix's Avatar
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    Re: I-Phone holder

    Quote Originally Posted by jlm View Post
    after seeing Graham's cute little wide angle set for the I-phone, the wheels have been turning.

    i just completed a modification that will allow fitting this little lens to my holder, i'm pretty sure I can do it without having to fit the phone case that comes with the lens, will make one this weekend. Parallax base and various camera mounts will not be changed

    results:

    with the phone in the holder, you can use the standard FOV (widest is 43mm on a full frame DB), or pop on the wide angle lens to bump the FOV to 35mm orn so.

    also am adding a mod so phones with various cases will all fit

    a benefit of the I-phone over an optical viewfinder is that you not only see the entire FOV full screen for all your lenses as fitted to your back, but you can zoom in. very useful for panos

    Awesome. Great work John.


    Steve Hendrix
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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: I-Phone holder

    John

    If you can fit the schneider wide angle without the Schneider iPro case I'll place my order now for one to fit my Alpa STC.
    Remember: adventure before dementia!

    As Oscar Wilde said, "my tastes are simple, I only like the best"

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    Re: I-Phone holder

    Graham:
    it is on the drawing board as we speak

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    Administrator, Instructor Guy Mancuso's Avatar
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    Re: I-Phone holder

    I'm thinking of getting one for my Cambo. Looks really nice John
    Photography is all about experimentation and without it you will never learn art.

    www.guymancusophotography.com

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    Re: I-Phone holder

    I would like to see what Alpa does, they promise a new wide angle lens for the iPad. What I really don't like about the Schneider version is that it is not wide enough....

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    Re: I-Phone holder

    FYI, just came across a comparison of the Schneider iPhone lens and the Olloclip:

    Olloclip vs iPro Lens review | The TechBlock

    Chris

  37. #37
    Workshop Member Bryan Stephens's Avatar
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    Re: I-Phone holder

    After witnessing this in action at the DV workshop, I have to say that it was pretty impressive to see, and I think I may have to get one for my new Cambo
    Bryan

    “You don’t take a photograph, you make it.” — Ansel Adams

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    Administrator, Instructor Guy Mancuso's Avatar
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    Re: I-Phone holder

    Quote Originally Posted by Christopher View Post
    I would like to see what Alpa does, they promise a new wide angle lens for the iPad. What I really don't like about the Schneider version is that it is not wide enough....
    That's my problem. I can see my 60 and 120 focals not my wides
    Photography is all about experimentation and without it you will never learn art.

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    Re: I-Phone holder

    Quote Originally Posted by Guy Mancuso View Post
    That's my problem. I can see my 60 and 120 focals not my wides
    Let's wait and see. I am constantly looking for a wide lens, the problem is that you get nice .67 ones or fisheyes. which don't help at all. I think we would need something like a .55 for the 28 and a .45 for the 23mm...

  40. #40
    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: I-Phone holder

    Sometimes only having 35mm as your widest focal length really is no problem.
    Remember: adventure before dementia!

    As Oscar Wilde said, "my tastes are simple, I only like the best"

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    Re: I-Phone holder

    besides the Schneider WA lens, i am going to make sure the Bowers .45x will fit. as i recall, viewfinder pro will make an allowance for various wide angle factors

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    Senior Member Joe Colson's Avatar
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    Re: I-Phone holder

    John,

    Can mine be upgraded to the new design?

    Joe
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    Re: I-Phone holder

    i am building in that upgrade path.

    the parts above the parallax correcting base would be swapped out.

  44. #44
    Senior Member Joe Colson's Avatar
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    Re: I-Phone holder

    Great! Just signal me when you're ready to rock and roll.
    _________________________________
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    Re: I-Phone holder

    Quote Originally Posted by jlm View Post
    besides the Schneider WA lens, i am going to make sure the Bowers .45x will fit. as i recall, viewfinder pro will make an allowance for various wide angle factors
    Yes , VIEWFINDER PRO has various WA factors .
    But between 0.55 and 0.65 I am missing the factor 0.60 .
    That factor would give the perfect image on the iPHONE 4S for the HR28mm
    when using the iPRO Schneider WA Lens .
    How can you address that request to the VIEWFINDER pro people ?
    Regards . Jürgen .
    -----------------------------------------------------------------------------------

  46. #46
    Senior Member stephengilbert's Avatar
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    Re: I-Phone holder

    Jurgen,

    Try [email protected]

    Steve

  47. #47
    Subscriber Member jotloob's Avatar
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    Re: I-Phone holder

    Ah , yes Steve , I will send them an E-Mail .
    Thanks for that hint .
    Regards . Jürgen .
    -----------------------------------------------------------------------------------

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    Re: I-Phone holder

    spent the weekend tweaking. almost have the new top end ready. it takes the Schneider WA and the Bower WA lenses with no need to use any gizmo on the phone itself. the Bower has a built-in magnet, the Schneider a bayonet; my device accepts either.

    you can use a bare naked i-phone

  49. #49
    Subscriber Member jotloob's Avatar
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    Re: I-Phone holder

    I got an answer from DIRESTUDIOS regarding a missing WA factor for iPHONE
    Usage as viewer .
    For those of you using either ALPA eFINDER or VIEW FINDER PRO as viewer APP
    the missing WA factor of 0.60 will be available at the time when ALPA announces
    their iPHONE + WA-lens solution , which will be very similar to the iPRO lens kit .
    Here is their mail .
    We are in the process of rewriting the WA stuff in VIEWFINDER .
    Partly because ALPA is working on a WA converter that allows simulating all their
    optics and partly to allow inbetween conversion factors , like the 0.60 .
    It will be available with/or shortly after ALPA releases their adapter .

    I hope this news makes waiting worthwhile .
    Regards . Jürgen .
    -----------------------------------------------------------------------------------

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    Re: I-Phone holder

    I finished the newer I-phone holder and will be shipping the first one out tomorrow. will post a pic. the Bower is a .45 factor, not sure about the Ipro/Schneider. I also have been in contact with Dire

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