Askar 90mm f/5.6 Quintuplet Petzval Flat-Field Astrograph - FRA500 5" Telescopes 8° Waterproof: Yes

8° Waterproof: Yes

It can be screwed onto 1

barrel connector jacks (5

The Tele Vue DeLite 9

0 port Attachment: Can be attached to tripod via plastic bracket Cables: Includes cables for both EQ and AZ mounts

Askar 90mm f/5.6 Quintuplet Petzval Flat-Field Astrograph - FRA500 5" Telescopes 8° Waterproof: YesDescription Sharpstar Optics introduces Askar FRA500 astrograph, which is the youngest among the well known FRA family, to our customers. Compared with its siblings, the 500mm focal length refractor has an aperture size of 90mm (f 5. 6), so Askar FRA500 can better fit into the scenarios of deep sky imaging than Askar FRA400. Besides, its more lightweight and compact than Askar FRA600, which makes it a great choice for out door observation or