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Thread: Alpa iPhone Viewfinder - first field trip experience

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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Alpa iPhone Viewfinder - first field trip experience

    A break in the rain allowed me to get out and try my new Alpa iPhone Viewfinder today (please excuse the poor iPhone pics below). Using this viewfinder solution presents an interesting mix of lo-tech Alpa body & lenses/shutters alongside the hi-tech MFDB & iPhone viewfinder application.

    Overall I'm very pleased with the performance of the Alpa eFinder app although it does have a few foibles due to the iPhone. For instance, in vertical mode with the camera aligned over the lens you have to use the iPhone inverted and the app displays the labels upside down, although the main display rotates correctly to display the lens framelines - not sure if this is purely an app issue or a limitation with software buttons on the iPhone iOS libs.

    Frameline accuracy seems pretty decent and much better than the optical viewfinder for me. It's very easy to have parallax between your eye and the VF center with the optical VF but the iPhone removes this error. I did find that the vertical framing wasn't exact but I need to test that further. It wasn't a problem in use though and may have been due to me tilting the camera anyway. You still have to guess with shifts/rise.

    For lenses wider than 37mm you'll want a wide angle adapter for the iPhone so that you can get the full preview. The eFinder app supports a wide variety of wide angle multipliers e.g. 0.8x - 0.38x plus obviously native 1x.

    Front view - note iPhone upside down in vertical alignment configuration:


    Framing an image - here's what you work with:


    Example of preview in Alpa Viewfinder app & captured image:


    Typical view with histogram:


    Horizontal view with camera over center alignment of the lens:
    Last edited by GrahamWelland; 22nd March 2011 at 10:32.
    Remember: adventure before dementia!

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

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    Senior Member darr's Avatar
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    Re: Alpa iPhone Viewfinder - first field trip experience

    Thanks for posting Graham. How does your phone battery hold up?

    Darr
    "Creativity takes courage." ~ Henri Matisse
    Darlene Almeda, photoscapes.com

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Looks great Graham although I'm sure someone at Apple will cringe when they see they're branding presented upside-down (remember the boo-haa surrounding the Sex In the City episodes showing the old PowerBook's lid?)

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Graham

    That looks very nice . My holder is on order but has not arrived yet .
    I use VIEWFINDER PRO , which I downloaded at about photokina time last year . There were some updates since and I believe it is identical with ALPA eFINDER now . But more expensive , as I have seen . Why ? ? ?
    What you see on the iPHONE 4 is equivalent to about a 47 mm lens , iPHONE 3 GS to about a 53mm lens and iPOD TOUCH G4 about a 60mm lens .
    ALPA is working on corresponding WA adapters .

    I have also set up my VIEWFINDER PRO for the HASSELBLAD 503CW with the CFV-16 and CFV-39 for all available lenses .
    That APP is a good tool , also for many users of other cameras .
    You can easily define which lens you want to use .
    Regards . Jürgen .
    -----------------------------------------------------------------------------------

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Hey - that's really cool; really really cool.
    Must be a pain in the *** when the phone rings though

    Just this guy you know

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Quote Originally Posted by jonoslack View Post
    Hey - that's really cool; really really cool.
    Must be a pain in the *** when the phone rings though
    You should not mention the worst case because that might keep people away from buying the eFINDER APP .
    But you are right , I just tried to imagine how that would be .
    Can't happen to me anyway , because I will use an iPOD touch 4G . But o.k.
    there could also be an E-MAIL notification from the getdpi forum . Mmmmm
    What shall I do then ? ? ?
    Regards . Jürgen .
    -----------------------------------------------------------------------------------

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    Re: Alpa iPhone Viewfinder - first field trip experience

    keep on alert: my Iphone prototype will be done this week.

    design parameters:

    1. rotates between H and V on the phone lens axis
    2. parallax correction built into base, correction ranges from inf to 3'
    3. fits any hot-shoe (may take an adapter to fit the alpa)
    4. cost under $500
    5. very high quality machining

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    Subscriber Member jotloob's Avatar
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    Re: Alpa iPhone Viewfinder - first field trip experience

    Quote Originally Posted by jlm View Post
    keep on alert: my Iphone prototype will be done this week.

    design parameters:

    1. rotates between H and V on the phone lens axis
    2. parallax correction built into base, correction ranges from inf to 3'
    3. fits any hot-shoe (may take an adapter to fit the alpa)
    4. cost under $500
    5. very high quality machining
    John

    I am very much looking forward to see your device .
    I hope you have an integrated cupholder with it . Uuuups . . . sorry , that was nasty .
    Regards . Jürgen .
    -----------------------------------------------------------------------------------

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Okay geeks that is darn cool. speaker phone too. LOL
    Photography is all about experimentation and without it you will never learn art.

    www.guymancusophotography.com

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    Re: Alpa iPhone Viewfinder - first field trip experience

    That looks neat. We'll all be using electronic viewfinders soon.
    Hmm. How about setting up an iPad as the viewfinder?

    Turn off network, turn off phone. ;-)

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    Re: Alpa iPhone Viewfinder - first field trip experience

    does the ipad have a camera?

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Quote Originally Posted by jlm View Post
    keep on alert: my Iphone prototype will be done this week.

    design parameters:

    1. rotates between H and V on the phone lens axis
    2. parallax correction built into base, correction ranges from inf to 3'
    3. fits any hot-shoe (may take an adapter to fit the alpa)
    4. cost under $500
    5. very high quality machining
    John love to see this when your done. Please take some shots and post. I'm sure a lot of folks would love to see this.
    Photography is all about experimentation and without it you will never learn art.

    www.guymancusophotography.com

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Quote Originally Posted by jlm View Post
    does the ipad have a camera?
    iPad 2 has front- and rear-facing cameras.

    iPad 1 has no cameras.

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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: Alpa iPhone Viewfinder - first field trip experience

    Battery seems to hold up ok but like any camera based application, it'll use up power. So far it hasn't been a problem but then again I do have a dedicated device for this use and I'm not using it on the cell all the time.

    Calls - well, just stick it in airplane mode. (I'm "lucky" in that I have two iPhones ... the joys of working for a telecom! ). You can also use an iPod Touch btw.

    Construction is very high quality CNC machined aluminium with a spring release & click stops on the frame at either centred or aligned settings for the phone/camera lens over the body. There's some very slight play in the holder since it is removable - you slide it into the fixed base for either portrait or landscape orientation plus I remove it with the iPhone in it and put it in my pocket when I walk around with the camera outfit since losing the holder & iPhone would make for an expensive bad day! I'd like to see the holder have a little less play in it mechanically since I could see that in a windy situation it could introduce some vibration. It just needs a little extra tension back/fore to counter the necessary tolerance you need to be able to slide the holder in/out and adjust the frame. There is a sprung ball bearing beneath the frame that provides tension up/down against the rail but not back/fore which I assume would tighten everything up more. This assembly is by no means lose at all but I'd prefer it to be tight & solid like the rest of the Alpa assembly in general such as the sliding shift/rise & all clip on components in the rest of the system. Maybe they'll tweak this for v1.1.

    Yair - yes, I'm expecting a letter from Steve Jobs! The horror of having to mount the phone inverted and the logo displayed that way!!! Actually it does have a practical downside in that the on/off button is at the bottom in this mode, plus the eFinder application displays the text in the button bars at top/bottom in a fixed orientation - right side up. Thus the buttons are upside down. I notified Alpa about it, although ultimately it's down to the developer of the application - Dire Studio, the folks who produce Viewfinder Pro orignal version.

    Jurgen - the Alpa app is a slightly restricted version of Viewfinder Pro and you can upgrade with the full lens library to bring it up to the same capabilities. I've been using Viewfinder Pro for a while now and the ability to set up 4 different cameras, each with their own lens collections for framing is quite helpful if you use lots of different systems. The new v2 includes support for different aspect ratios too for the frame display. If you already have Viewfinder Pro then you don't need to purchase the Alpa eFinder version. With respect to the wide angle adapter, I'm waiting for a 0.48x adapter to arrive at the moment - but it's one with a magnetic ring adapter so you can clip it on/off. Not a necessity for me yet for my Alpa but I do have wider lenses for other systems that need this extra display with the viewfinder application.

    Now if the viewfinder app included an accurate meter & histogram it would be really excellent. That said, nothing stops you from running other apps when the phone is in the holder so you can use tools like 'level' to set the camera horizontal leveling, or some metering apps too. One interesting app I'll have to try next time out is Sunseeker/Moonseeker in it's 3D visualization mode - you can see where the sun/moon will rise against the camera view which could be useful for setting up in advance for the sun peeking over the scenery for example. You can also capture & keep record shots with the viewfinder app already and I often do that and they're added to your iPhoto collection automatically.

    Overall, I think it's a pretty cool outfit and I expect that this'll replace my optical finder full time. You only need it powered up for basic initial framing but it works very well as a live view. From a practical perspective it does introduce another piece of battery driven equipment into the field with it's associated downsides but on the flip side you can definitely shoot without it if you do run out of power. I was impressed with the lateral view accuracy and it's definitely better with longer lenses too which are tough to frame with the wide angle optical viewfinder.

    It will be interesting to see how the Phase One IQ backs step up if they include the rumored limited live view capability. The clarity of the iPhone screen helps with this outfit and so hopefully one of the new backs with it's superior screen might provide everything this iPhone solution does. Time will tell ...
    Last edited by GrahamWelland; 22nd March 2011 at 11:38.
    Remember: adventure before dementia!

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

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Quote Originally Posted by jlm View Post
    does the ipad have a camera?
    yes. meant iPad 2.

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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: Alpa iPhone Viewfinder - first field trip experience

    Quote Originally Posted by jlm View Post
    does the ipad have a camera?
    The iPad2 would make for a VERY big viewfinder solution

    However, on a serious note, if the viewfinder app could link between the iPhone and an iPad you could have a cool solution. However, it seems like a solution looking for a problem to me. What you're really looking for is live view/review to an iPad in real time and that's something the MFDB would need to do.

    Quote Originally Posted by jlm View Post
    keep on alert: my Iphone prototype will be done this week.

    design parameters:

    1. rotates between H and V on the phone lens axis
    2. parallax correction built into base, correction ranges from inf to 3'
    3. fits any hot-shoe (may take an adapter to fit the alpa)
    4. cost under $500
    5. very high quality machining
    Looking forward to seeing this.

    The one thing I note from the Alpa solution is that you need to make sure that you can accomodate an iPhone in a case like a "bumper". That's something the Alpa folks overlooked and the spring loaded holder doesn't open wide enough with the stock shaped holder inserts for the iPhone. You can certainly fit a phone with case if you remove them or modify them but that's not very appealing. I just chose to use a naked iPhone for this.

    The second observation is that you need to make sure that the holder feels solid without any appreciable play in it. In the Alpa case the phone is held rigidly but the removable/rotatable holder frame has some very slight play that I'd rather not have if possible. It's very minor but we all want perfection
    Remember: adventure before dementia!

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

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    Re: Alpa iPhone Viewfinder - first field trip experience

    i too am using a protective case and will accommodate with and without.

    no play on my baby

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Graham

    Where is your magnetic wide adapter coming from?

    Regards.

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    Re: Alpa iPhone Viewfinder - first field trip experience

    eBay: http://snipurl.com/27ock4 [cgi_ebay_com]

    I was initially going to get the "Digital King" wide angle & macro by Seiko but there were no US based sellers so picked one that is fulfilled in the US.
    Remember: adventure before dementia!

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

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    Re: Alpa iPhone Viewfinder - first field trip experience

    This all looks fantastic - the iPhone setup, the camera, and the location too. Thanks for sharing!

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    Re: Alpa iPhone Viewfinder - first field trip experience

    I just got a magnetic wide-angle adapter from ebay and am quite disappointed. For starters, the magnetic ring doesn't stick to the iphone 4's back very well. Since the wide-angle lens is relatively heavy and since the surface at the back of the iphone 4 is like glass, it will fall off. I used transparent tape to make it stay on, but nonetheless this is suboptimal. Finally, the adapter I bought was toutet to be a 0.45x wide-angle adapter and in reality it is more of a 0.7x vers.

    so keep this in mind ... also the optics aren't the best, the picture does get a little fuzzier ...

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Which adapter did you get btw? Do you recall? I don't mind paying for something decent if it's out there vs some junk - assuming of course that I can find something. I have the luxury of being able to dedicate a device just for the VF so it's not terrible if the lens has to be semi-permanent.

    The DIRE Studio folks tout the OWLE adapter which does indeed look good but absolutely useless for this purpose due to the size.
    Remember: adventure before dementia!

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

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    Re: Alpa iPhone Viewfinder - first field trip experience

    http://cgi.ebay.com/ws/eBayISAPI.dll...#ht_5708wt_914

    This one ... as I said, it won't hold onto the iphone 4. the wide-angle lens is quite bulky, i was surprised when i saw it. but it works well with some transparent tape ...

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    Re: Alpa iPhone Viewfinder - first field trip experience

    keep on alert: my Iphone prototype will be done this week.

    design parameters:

    1. rotates between H and V on the phone lens axis
    2. parallax correction built into base, correction ranges from inf to 3'
    3. fits any hot-shoe (may take an adapter to fit the alpa)
    4. cost under $500
    5. very high quality machining
    Any news ? I would be really interested. I know that Arca is working on something, but that take a while, I can't see myself spending so much on the Alpa. It just has to many flaws. My current ebay solution isn't that great either. You could also contact me directly [email protected] Thx

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    Re: Alpa iPhone Viewfinder - first field trip experience

    two prototypes are done today except for blackening. I will be bringing it to the east coast MFD get together in New Jersey tomorrow (tuesday, april 5).

    so far, it has achieved all the design goals, but the price with the parallax correcting base will rise. Also it has a hot shoe base; when i can get one of the Alpa viewfinder attachments, i will make an alternate that will fit the Alpa system

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Any chance to get one which fits to the Arca mounting on the 3rmd and 2rmd? I would take one as soon as it is finished ;-)

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    Re: Alpa iPhone Viewfinder - first field trip experience

    I am basing it on the Cambo, standard hotshoe. also planning an Alpa mount, would think the Arca could be done as well

    jm

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    Re: Alpa iPhone Viewfinder - first field trip experience

    I know that a standard hotshoe would work as well for Arca, but it would need a second adapter. So a direct solution would be fantastic.

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Quote Originally Posted by GrahamWelland View Post
    A break in the rain allowed me to get out and try my new Alpa iPhone Viewfinder today
    What we need is a full-blown Mac book pro in an iPad case - so we can have proper TTL Live View.

    Perhaps we could use a MBP and control it from an iPad? (Why wasn't Phocus Mobile like that?)

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Before that LV has to get better, otherwise currently I find a iphone viewfinder a LOT better than LV on any MAC or PC.

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    Re: Alpa iPhone Viewfinder - first field trip experience

    What about the Phase One IQ backs? Wouldn't their new LCD make obsolete this iphone viewfinder?

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Quote Originally Posted by David Klepacki View Post
    What about the Phase One IQ backs? Wouldn't their new LCD make obsolete this iphone viewfinder?
    Well, IF you've got an IQ back AND it's got live view implemented then I guess that would put you into the demographic that would have little desire for an iPhone VF solution. Right now, that would be a very very small group of people.

    However, there is one aspect of the iPhone with an application like Viewfinder Pro that an IQ back with live view can't match and that's the ability to frame different focal lengths to try out the composition. I actually use this with the iPhone off the camera when looking for interesting composition opportunities too - it basically took over from the cardboard frame that I used to use.
    Remember: adventure before dementia!

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

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Quote Originally Posted by GrahamWelland View Post
    Well, IF you've got an IQ back AND it's got live view implemented then I guess that would put you into the demographic that would have little desire for an iPhone VF solution. Right now, that would be a very very small group of people.

    However, there is one aspect of the iPhone with an application like Viewfinder Pro that an IQ back with live view can't match and that's the ability to frame different focal lengths to try out the composition. I actually use this with the iPhone off the camera when looking for interesting composition opportunities too - it basically took over from the cardboard frame that I used to use.
    The "Holy Grail" is good daylight live view on a view camera - and I think that this is only possible (without an ND filter) on a Sinar and a laptop.

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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: Alpa iPhone Viewfinder - first field trip experience

    I think that it'll be interesting when the IQ's get into circulation how people will handle the live view/review off the LCD. I wonder how many dark cloths will be brought out of retirement? I confess that I've used mine a couple of times in bright light when I first started with my Alpa Ground Glass and also Leaf 65 back which doesn't have an LCD anything like as bright as the current crop of backs. Similarly I've sometimes used the Alpa leather ground glass hood around either my Aptus 65 or P40+ to review the image too - kind of ugly but helpful when needed.
    Remember: adventure before dementia!

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

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    Re: Alpa iPhone Viewfinder - first field trip experience

    jlm,

    I sent you a PM re the loan of an ALPA adapter. Did you get it?

    Steve

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    Re: Alpa iPhone Viewfinder - first field trip experience

    anyone tried a low tech cheapo solution ?
    starting from something like that ?


    http://www.amazon.com/SnapMount-Trip...ef=pd_cp_cps_2

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    Re: Alpa iPhone Viewfinder - first field trip experience

    Great info Graham.

    Love the behind the scenes photos.

    Robb

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    Re: Alpa iPhone Viewfinder - first field trip experience

    an other low tech solution, with both orientations...

    http://www.youtube.com/watch?v=atjTFZa_x4A


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