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Archive 2015 · Moth Flies Through Repro-Claron 55mm

  
 
e6filmuser
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p.1 #1 · p.1 #1 · Moth Flies Through Repro-Claron 55mm


I purchased this Schneider lens last December and only now has there been a subject of interest. After discovering my only source of these tiny flies I tried maximising the magnification on my Kiron 105mm with a +5 Marumi achromat on the front x1.5 TC behind it. The results were discouraging, possibly due to reflections and flare.

Today I tried with the Claron on 200mm of extension. The location of the flies, on the inside of a dark grey compost bin lid made the task difficult. I needed to position the flash off the camera, inside the upturned lid but without shading the flies from the sun, which I needed for framing and focus.

The field of view was 5mm wide and the working distance about 60mm. Mites in two of the images confirm the scale.

I varied the aperture and the shots were probably all at f11 but f16 is a possibility. I really wanted to try f22 but the flash was too weak. Noise was bad enough at ISO 800 without going to higher values. The camera was hand-held.

The first image is where I initially put an additional 10mm of extension on. Interesting possibilities for another day!

Some purple hue arose from severe noise reduction. The third image is about the correct colour.

Harold



© Harold Gough 2015





© Harold Gough 2015





© Harold Gough 2015





© Harold Gough 2015




Feb 27, 2015 at 12:08 PM
LordV
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p.1 #2 · p.1 #2 · Moth Flies Through Repro-Claron 55mm


Good ones Harold but too much blurring (diffraction softening ?) for my taste
Brian V.



Feb 28, 2015 at 02:35 AM
e6filmuser
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p.1 #3 · p.1 #3 · Moth Flies Through Repro-Claron 55mm


LordV wrote:
Good ones Harold but too much blurring (diffraction softening ?) for my taste
Brian V.


Thanks, Brian.

A rework of two of them by a slightly different route and with no diffraction softening (micro contrast).

Both could use more DOF.

Harold



© Harold Gough 2015





© Harold Gough 2015




Feb 28, 2015 at 03:19 AM





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