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Old Dec 31, 2003, 8:10 PM   #1
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Default 5700 performance with reversed lens???

Hello,

I got a CP 5700 as a Christmas present, and I have a few questions about modifying for macroscopic work.

I have a UR-E8 adapter shipping right now from B&H which should allow me to reverse mount a 49mm lens for close-up work.

Does anyone have any experience with this setup? I am experienced with macro work using an all-manual Pentax K-mount system, but this is my first foray with digital.

Correct me if I'm wrong, but if I have the zoom at 35mm, and use a 50mm lens, I will get approx. 1.5 life size, right? Also, should I control aperture via the camera or the attached lens? What I mean is should the cameras lens be set to the smallest aperture (8.0) when the 50mm lens is at 1.7? Or should this be reversed with the camera at 2.8 and the 50mm at f16?

Lighting is not a problem, since I am using 2x100 watt hotlights in fixed position for lighting until I can buy a SB-50DX in the near furure. I know, hotlights provide much less light than flashes, but I don't want to fry my camera's electronics with the high-voltage pulses from my Vivitar 285s!!!

Thanks for the help, folks...
Jason
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Old Dec 31, 2003, 11:18 PM   #2
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Default Re: 5700 performance with reversed lens???

See here http://www.stevesforums.com/phpBB2/v...ic.php?t=17817 and here http://www.stevesforums.com/phpBB2/v...ic.php?t=15584 for the details.

CK
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Old Jan 1, 2004, 8:31 PM   #3
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Thanks a bunch, Shene!!!
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