DeepSkyHosting
Sign inRegister

Pentax astrograph

Oleg Chekalin
75649
Category:Equipment
Published:
4628
Pentax astrograph
Resolution:
1200x900 px
File size:
125 KB

Photo description / processing

Astrograph based on a Pentax SDUF tube (photographic semi-apo 100mm F/4), kindly provided by Alexey Yudin for experiments.

Comments

There are no comments on this photo yet.

More photos by Oleg Chekalin