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Canon 20mm f3.5 Macro Bellow Lens

Started 4 months ago | Discussions thread
SigmaTog
OP SigmaTog Senior Member • Posts: 1,114
Re: Canon 20mm f3.5 Macro Bellow Lens
1

Thank you everybody for your great professional replies, all very much appreciated.
I had the lens on blackened tubes. I can now see that bellows would be better with all those angled pleats inside.
I have tried a baffle inside the tube with a 12mm hole, about 20mm behind the lens & that worked, I will try a bellow too.
All the good points of the lens mentioned above are true for mine too.
" there are easier ways to get to high mag while still preserving full automation ", what are the choices please ?
I am trying to photograph a luminescent beetle's shell at magnification to see the structure of the surface. The dynamic range is large.
PS I made a mistake with the scale, the interval should be 0.1mm.

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