Agreed that OTF would be an issue for longer-exposure pictures as well
as OTF flash-control. However, for most exposures shorter than 1/60
second, OTF gets the majority of the exposure off of the first
curtain.
I'm very serious about this.
Ken
> Mike Knight (Kight Camera repair and I are working on the concept. eFilms
> patents have, I believe, just lapsed...Kickstarter anyone? Need 12-20MP APS-C
> sensors and package....Mike can do the mechanical work of taking OM-1 OM-3
> backs and making them receiptive...ditto for Nikon FM FM2 2n 2T. Metering
> MIGHT be a problem for OM2/n reading off curtain
> On Sep 7, 2014, at 8:37 AM, Ken Norton wrote:
>
>> Sooooo, Let's talk this through a little bit to see if there is
>> anything to this. The digital back to rangerfinder project proves that
>> this might be possible.
>>
>> Just thinking out loud here, but here are several things to think about.
>>
>> 1. The OM bodies have electrical contacts for interfacing with motor
>> drives, flashes and data backs.
>>
>> 2. The OM bodies can be electrically triggered via the motor drives.
>>
>> 3. The OM bodies can electrically trigger the data backs.
>>
>> 4. Therefore, the ability to interface a non-OM component to an OM
>> body can be done with zero surgery to the OM body.
>>
>> 5. The shutter-speed of the exposure can be controlled one of two
>> ways. Either the camera is set to a long shutter speed and the digital
>> back to a shorter speed, or the digital back can be set to a long
>> shutter speed and the camera's curtain governs the actual exposure.
>>
>> 6. Using this rangefinder project as an example, the guts of the
>> digital camera can be stuffed into the film chambers as well as the
>> custom back itself.
>>
>> 7. I really like what I'm seeing here and I think that it's closer
>> than it has ever been before. I like the idea of using the low-end
>> SONY in this case, because it's almost entirely touch screen control,
>> so we don't have to build a control interface with ten zillion buttons
>> and twisty controls.
>>
>> 8. The 3D printing with higher-quality materials makes it repeatable
>> and manufacturable.
>>
>> 9. What would this be worth to me? I could easily justify a cost of
>> $1200 for this to have an APS-C back for my OM bodies.
>>
>> --
>> Ken Norton
>> ken@xxxxxxxxxxx
>> http://www.zone-10.com
>> --
>> _________________________________________________________________
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>>
>
> --
> _________________________________________________________________
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>
--
Ken Norton
ken@xxxxxxxxxxx
http://www.zone-10.com
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