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Hasselblad bayonet to C Mount adaptor on ACL II


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#1 Dan Salzmann

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Posted 05 December 2005 - 06:39 AM

I've got a low budget short that will require super long focal lengths. Thinking about using Hasselblad Zeiss Black T* lenses with a C mount adaptor and wondered if anyone has ever done this and has any comments on sharpness and contrast.
I am familiar with all the usual down sides of still lenses on film cameras - (no T stops, minimal focus travel, relatively inaccurate focus marks, etc.)
Thanks!
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#2 Ian Marks

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Posted 05 December 2005 - 02:24 PM

As fine as the Zeiss lenses for the 'Blad are, IMHO there is no point in using a lens formulated to cover a 2-1/4" square film format to shoot 16mm film. These lenses are designed to produce an image that is sharp across a much larger expanse of film, which is a completely different design approach. It means their resolving power is likely lower overall than a lens designed to produce the sharpest possible image across the much smaller 16mm frame. You wouldn't employ a 210mm or 360mm view camera lens ("normal" for 4 x 5" and 8 x 10" formats, respectively) to shoot telephoto shots with your 16mm, would you? The Hasselblad lenses (with the exception of those designed for use on the models with focal plane shutters) also incorporate an in-lens shutter (another optical compromise), which means that you'd be attaching a big honking bazooka to your little lens mount. You'd probably need some additional support to avoid levering your mount out of alignment. A better compromise is to use a 35mm still camera lens. Just my 2 cents.
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