All Products

LS40FHa Front Mounted Double Stack Filter

All sales of solar gear are final, so please choose your filter carefully and reach out with any que...

HyperStar Camera Adapter

Description These adapters with with various sizes of HyperStar Lens for Celestron SCTs. One adapter...

D-ROTO-A2 diagonal upgrade

Description William Optics D-ROTO-A2   diagonal upgrade New William Optics 2” Rotolock eye...

M002CS Complete Mount System - Stainless steel tripod

Description Get our best new M002C mount head with heavy duty column and a heavy duty, stainless ste...

AC Adapter for Powertank 17

The AC Adapter for Powertank 17 is a replacement cable that lets you charge the 17Ah Powertank from ...

Fan for cooled/pro cameras

This replacement fan set is designed for ZWO cooled/pro cameras, offering a direct-fit cooling fan o...

Electronic Tilt Adjuster

Description Still struggling to manually adjust the tilter in the darkness ? Frustrated with the dif...

48mm T mount for Pentax K

Description This high precision T-Mount has 48mm threads with outer hard gray/red color anodizing an...

Alnitak Flip-Flat Electroluminescent Flat Fielding Device

Description Optec acquired Alnitak Astrosystems in 2011 and has been manufacturing and refining the ...

HyperStar 9.25/9.25HD V4

Overview The evolution of intelligent design has continued with version 4 of the HyperStar C9.25. Ve...

13x80 Straight Through Finderscope Matte Black (F080M3)

Description This is a straight through version of the F80M2. Now you can use a finderscope in conjun...

110° Optimus Eyepiece 3.6 mm (1.25/2")

Description Introducing the Stellarvue Optimus eyepiece series. This eyepiece is ideal for higher po...