Arcturus Arcturus 2 Inch Filter Slide - Camera Concepts & Telescope Solutions

Use this handy 2" filter slider to quickly switch between up to four 2" eyepiece filters to enhance and improve your views.

Pentax Telescopes & Mounts - Page 6 - Classic Telescopes - Cloudy Nights

This 2 Variable Polarizing Filter, is the all-phase lunar filter for large telescopes. Transmittance is continuously variable from about 5% to 35%.

Arcturus Variable Polarizing Filter 2 Inch

Pentax Telescopes & Mounts - Page 6 - Classic Telescopes - Cloudy Nights

Kinematic Square Optical Mounts

Blake Nancarrow - Allan I. Carswell Observatory (AICO) at York University

The Arcturus Red Dot Finder is sturdy, rugged, convenient and easy to use.

Arcturus Arcturus Deluxe Multi-Reticle Red Dot Finder

Arcturus PixCell II Laser Capture Microdissection Microscope - Richmond Scientific

Arcturus PixCell II Laser Capture Microdissection Microscope - Richmond Scientific

Prime focus camera adapters couple of a camera body (with its model-specific T-ring) to a telescope for prime focus photography.

Arcturus Arcturus 2 Inch Camera Adapter (Low Profile)

Arcturus Red Dot Reflex Viewfinder Finder Scope for 80EQ SE SLT PS Series Astronomy Monocular Binoculars Telescope No Battery - AliExpress

Blog - MIT Arcturus