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


Zhumell
(GSO)

Model

Optical Specs

Protostar
Part No.

Price

Z8 Dobsonian

203mm f/5.9, 1200mm focal length
50.0mm secondary mirror

50023370

or

50023370H
(heated)

$110.00

or

$150.00

Z10 Dobsonian

254mm f/5, 1250mm focal length

63.0mm secondary mirror

63030270

or

63030270H
(heated)

$120.00

or

$160.00

Z12 Dobsonian

305mm f/4.95, 1500mm focal length

70.0mm secondary mirror

70035675

or

70035675H
(heated)

$135.00

or

$175.00

| warranty & return policies | privacy | contact us |

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