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03-27-2015, 04:39 PM   #1
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Perfection!!!

Now I need an adaptor…………

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03-28-2015, 05:14 AM   #2
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QuoteOriginally posted by 672 Quote
Now I need an adaptor…………
Nice lens, but what do you normally use it for?

Looking up this lens line on google shows that it's claimed to have a shorter flange distance than PL, which itself is already 18.87mm shorter than Pentax 645 mount. The only camera systems with a longer flange than the 645Z are Pentacon Six, Hasselblad 2000 & 500 series and Pentax 6x7, which is why these are the only lenses that can be adapted. A lens intended for a longer flange can be used on a camera with a shorter flange, but not the other way around, unless you modify the lens and/or camera. I recall how a long while ago during the video DSLR crazy one person actually bore out a massive hole in their 5D2 and put a PL mount on the camera. They had to get rid of the whole mirror assembly to do so.

Some lenses have a lot of empty space between the rear lens element and the actual mount, so it's possible to shave the entire lens barrel down and re-apply the mount, assuming there are no mechanical bits to get in the way, but I've seen people do crazy DIY things.
03-28-2015, 10:43 PM   #3
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Yeah, that lens will not go onto the 645D sadly, nor could i afford the insurance policy to rent a set of those lenses. They are used for feature film work on cameras such as the upcoming 65mm sensor Arri Alexa.

As far as chopping the lenses up I have done that with a canon FD mount 600mm lens to fit my 645D.
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