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Archive 2015 · Repro-Claron Reversed

  
 
e6filmuser
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p.1 #1 · p.1 #1 · Repro-Claron Reversed


In search of a possible gain in detail, I reversed the lens and, with settings as previously, at f16, took some more shots of the white species of Moth Fly.

My conclusion is that there is certainly no loss of detail and possibly a small gain.

Harold









Mar 09, 2015 at 08:29 AM
orionmystery
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p.1 #2 · p.1 #2 · Repro-Claron Reversed


Nice shot, Harold. What magnification was this at?


Mar 09, 2015 at 10:51 PM
Lee Nelson
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p.1 #3 · p.1 #3 · Repro-Claron Reversed


I think your conclusion is correct Harold. Seems very close to me also.
I'm not that good at figuring mag's but is this close to 31/2 or 4 a la Kurts question?

Lee



Mar 10, 2015 at 01:32 AM
e6filmuser
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p.1 #4 · p.1 #4 · Repro-Claron Reversed


orionmystery wrote:
Nice shot, Harold. What magnification was this at?


Thanks, Kurt.

The FOV was about 5mm, cropped to ca 3.5mm wide. Thus, the magnification at the sensor was ca x3.5.

I have other lenses which might be a bit better at this magnification, in particular my Summar 80mm I also have two Photars.

Harold



Mar 10, 2015 at 02:14 AM
e6filmuser
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p.1 #5 · p.1 #5 · Repro-Claron Reversed


Lee Nelson wrote:
I think your conclusion is correct Harold. Seems very close to me also.
I'm not that good at figuring mag's but is this close to 31/2 or 4 a la Kurts question?

Lee


Lee, Thanks.

Probably the main limiting factor is me. My hands certainly shake when framing and focusing. Some support from the substrate for my forward hand usually helps. Judging the exact focus is difficult anyway with this tiny DOF. Luck plays a large part here.

Harold



Mar 10, 2015 at 02:18 AM





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