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Old November 29th, 2007, 11:29 AM   #1
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What is the F stop on tele end?

What is the F stop on tele end, does it stays the same 1.8 or goes up?
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Old November 29th, 2007, 11:49 AM   #2
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What is the F stop on tele end, does it stays the same 1.8 or goes up?
Yes it does. Just got mine. Serial # 68!

It's a 1.9 fstop

First impression. DOF is amazing. I may have no need for my letus35!
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Old November 29th, 2007, 11:58 AM   #3
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Sounds great, I'd love to watch some footage shot on tele end.
What is the minimum focusing distance on tele?
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Old November 29th, 2007, 12:03 PM   #4
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Quote:
Originally Posted by Oleg Kalyan View Post
What is the F stop on tele end, does it stays the same 1.8 or goes up?
Quote:
Originally Posted by Winston Ashley View Post
Yes it does. It's a 1.9 fstop
Yes it does stay the same, or yes it does go up?
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Old November 29th, 2007, 12:22 PM   #5
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Winston, please perform the vignette test:
http://dvinfo.net/conf/showpost.php?...&postcount=193
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Old December 1st, 2007, 09:14 AM   #6
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I remember one of the early reviewers (Simon I guess) stating that the aperture actually DOES ramp.
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Old December 4th, 2007, 06:27 PM   #7
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We are past specs now. The early reviewers were handling pre-production units.

Lots of people have handled the production units- including me.

The aperture does not ramp on the two production units I have worked with.

It holds a constant f1.9 throughout the zoom range. Exposure as experienced visually on a monitor does not waver, flutter or other wise change- unless of course you operate the appropriate controls.
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