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Re: Eclair ACL Tokina 16-160
I have just been offered a Tokina 16-160 f1.8 c mount lens. I am a bit
of a novice. Is it worth me taking a look, and how much do you think I
should pay? One day I will ask a proper question.
Thankyou in advance Stephen
Eclair recommended that C-mount zooms not be used.
One reason might be that the lens mount flange might twist slightly from the
Another would be the sheer mechanical fragility of the setup.<
C-mounts were never designed for heavy zoom lenses, although the NPR had a substantially more rugged version than most. Years ago we dropped our English ACL with an Ektar 152mm C-mount lens attached. It hit the dirt primarily on the lens, popping the entire lens mount off the camera. It was repaired by a lady who used to work on Eclairs, her name escapes me. She retapped the holes for the 4 small mounting screws and used epoxy to secure the whole thing. We then sent the camera and its 12-120 Angen. zoom to Century and had them colimate it to the camera, which ended up with a slightly non-standard backfocus.
The Ektar survived admirably and we continued to use it for many years.
Since this experience, we have avoided mounting any large or heavy lenses to the C-mount.
BTW, I just received a copy of the brand new ASC Manual, 8th Ed. and looked up the section on ACL (p. 613) which has a photo of an ACL II. But the threading diagram of the 400' mag shows an English magazine! The section on the NPR has a photo of a first generation NPR with its transistorized gov.-controlled motor and bellows rod mount. The text describes that motor. Someone didn't do his homework!
Wade K. Ramsey, DP
Dept. of Cinema & Video Production
Bob Jones University
Greenville, SC 29614
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