Home


More product information...

Details and features


Available options


Download instructions


Secondary mounts FAQ


How to order secondary mounts



Other products

Direct replacement spiders


4-vane Newtonian spiders


3-vane Newtonian spiders


Curved secondary mounts


Cassegrain secondary mounts


Flocked Light Trap Mat'l

Hi-tack flocked light trap


FlockBoard flocked light trap


Support

General ordering information


Download manuals


Warranty & returns


Privacy policy


Contact us


Hardin
(GSO)

Model

Optical Specs

Protostar
Part No.

Price

150mm f/4

150mm f/4.0, 600mm focal length

50.0mm secondary mirror

(carbon fiber tube version)

50017675

or

50017675H
(heated)

$120.00

or

$160.00

| warranty & return policies | privacy | contact us |

Protostar P.O. Box 368 New Albany, Ohio 43054 U.S.A. 614-375-3146
Copyright© 1995-2024