nuff said
Lens: 18.0-105.0 mm f/3.5-5.6 Camera: Nikon D90
Exposure: 0.008 sec (1/125)
Aperture: f/22.0
Focal Length: 18 mm
ISO Speed: 125
Askar SQA55: A Quintuplet Refractor for Wide-field Astrophotography
-
The Askar SQA55 is a compact astrograph designed for astrophotographers who
want a fast, wide, and highly corrected imaging system. It brings together
a ...
No comments:
Post a Comment