Meopta service of old lenses no longer does ...
Acetone is only used for current production.

Previously, a 3: 1 mixture of diethyl ether and ethanol was used in Meopta to clean optics. Acetone + ethanol of about 9: 1 is now used.

Can't the blur be front focus?
(Google translator )

DrHook wrote:How brilliant are these? Love the colours, just wonderful. What are the insects in the second photo, please? Is it a type of wasp beetle?

Coleoptera/Cerambycidae/Stenopterus flavicornis.

Super!
Why 2 pictures per step?

Or butterfly proboscis?

I lent the Evitars to Filip for testing. They are prototype pieces from Meopta Research and Development. Therefore the different quality. They were used in the 1970s in microfiche readers and there were more versions. I have about 10 Evitars still in the drawer ... Excuse me for my English. (Google ...

Canon 2,8/100macro http://www.photomacrography.net/forum/userpix/924__MG_6613_1.jpg http://www.photomacrography.net/forum/userpix/924__MG_6620_1.jpg http://www.photomacrography.net/forum/userpix/924__MG_6627_1.jpg ... and one more ... http://www.photomacrography.net/forum/userpix/924__MG_6638_m_1.jpg

https://www.menards.com/main/electrical ... 10&ipos=20

Thank you...

Canon 2,8/100macro.

I tried my new FB Helicon yesterday, the scanning speed is maintained.

If the Canon EOS 50D has a continuous shooting rate of 6.3 frames per second, will I actually have 6 frames per second in the appropriate Helicon FB mode with sharpening?

Pau wrote:
Not 100% sure but I think that later Zeiss Jena infinite CF objectives meant for use with 250mmm TL do not need corrective eyepieces and so they are "full corrected" in the same sense of Nikon CFs

http://www.funsci.com/fun3_it/sini/mo/o ... _zeiss.pdf

For vertical use yes, for horizontal it would have to be a circular magnet strong enough to hold the upper part.
I chose my solution for more friction and hence stability.