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Activity Forums Cinematography Can a zoom lens be used with a Pro 35???????

  • Rick Amundson

    June 6, 2007 at 7:56 pm

    There are some zooms that can be used on a Pro35. Becareful to check the length of the back element of the lens. Some are slightly longer than others and won’t work (ie. the Canon 8-64 has a slightly longer back element-it is however a 16mm lens). Also, and this may be obvious, be sure it’s a PL mount.

    Rick Amundson
    Producer/Director/DP
    Screenscape Studios
    Bravo Romeo Entertainment
    http://www.screenscapestudios.com
    http://www.bravoromeo.com
    http://www.indeliblemovie.com

  • Todd Terry

    June 8, 2007 at 1:55 pm

    Yes, as Rick said as long as your lens doesn’t have a rear element that sticks out too far.

    We have used zooms with both the Mini35 and Pro35 from P+S Technik.

    I will say though that I started to answer your “Can I use a zoom..” question with my smartass “Yeah, but why would you?” answer. I’m sure you have a reason, I have done it on occasion myself.

    I’m not TOTALLY one of those “zooms are pure evil” old-schoolers… but if you are new to using the Pro35 I think you will find that while a good zoom will give you great looking footage, images using good primes will be absolutely stunning.

    T2

    __________________________________
    Todd Terry
    Creative Director
    Fantastic Plastic Entertainment, Inc.
    fantasticplastic.com

  • Chris Bierlein

    June 8, 2007 at 11:31 pm

    Danger!!!! I used the Cooke 18-100 with the Pro35 on a white cyc and it vignetted BIG TIME at all focal lengths and stops. Serious dark corners. We switched the lens out for an Angenieux 25-250 HR and the vignette was less, but still quite obvious. The waveform looked like a big arc though the cyc was lit perfectly. Test!!!!!

    Another thing-we shot a test with the 18-100 at 60 FPS with the Pro 35 at around 8 or 9 on the rotation speed. With the zoom, we could see the spinning glass in the slo-mo, though not with the Super Speeds. Didn’t get a chance to test at other rotation speeds-just went with the primes. My diagnosis for this issue is that these lenses are F 3.1 plus, and the Pro35 works best at wide apertures.

    The 16mm zooms will not cover the 35mm frame.

    Don’t get me wrong-I love the Pro35 and use it often, just avoid zooms.

    Chris B.

    http://www.chrisbierlein.com

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