Optical Accessories

Baader Telecentric Systems for focal length extension for supplying a parallel optical beam and for providing sufficient backfocus, in conjunction ...

Telecentric with 2" outer diameter and T-2 threads on both sides Aplanatic, with 4x focal length extension to achieve a parallel f/30 beam in conj...

Baader U-Filter (Venus and UV) 350nm. Transmission peak approx. 80% at 350nm, bandwidth 60nm (320-380nm), completely blocking the entire spectral ...

The Baader Planetarium UHC-S Nebula filter excels at delivering a high-contrast and natural view of emission nebula - without excessive dimming and...

Baader Planetarium produces the world's finest UV/IR cut filter. it use has become the defacto standard for imagers around the world. This filter...

Delivers the absolute highest contrast views of many diffuse and planetary nebula. For many objects, the Baader O-III reveals a level of intricate ...

Features This 1.25" Eyepiece & Filter Kit includes 14 accessories that will add new life to your telescope and your observing! You’ll get five ...

Features This Celestron 2" Eyepiece and Filter Kit includes all the accessories you need to start using 2" eyepieces on your Schmidt-Cassegrain or ...

Features A great accessory for daytime terrestrial viewing with your telescope This 1.25" diagonal produces right side up and left-to-right correct...

Features Zoom from low to high power in an instant with this versatile eyepiece! Compatible with any telescope that accepts 1.25" eyepieces This fu...

Features This economical eight-piece eyepiece and filter accessory kit enhances the performance of your Celestron AstroMaster, or most any other te...

Features Ideal for Accurate Polar Alignment Well suited for use with Off-Axis Guiders for centering and guiding of stars Adjustable red LED light b...

Features Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings Provides...

Features Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings Provides...

Features 26mm Kellner eyepiece designed for 2” focusers 3-element lens design with fully multi-coated optics Wide 56° apparent field of view allows...

Features 32mm Kellner eyepiece designed for 2” focusers 3-element lens design with fully multi-coated optics Wide 56° apparent field of view allows...

Features 40mm Kellner eyepiece designed for 2” focusers 3-element lens design with fully multi-coated optics Wide 56° apparent field of view allows...

Features Get extra enjoyment out of your Celestron FirstScope Telescope! Kit includes a Moon filter and two eyepieces with 24X and 50X magnificatio...

Features Enjoy wide 82° views with Celestron Luminos Eyepieces Retractable eyecup pops up when you need it, drops down when you don’t Sturdy anodiz...

Features Enjoy wide 82° views with Celestron Luminos Eyepieces Retractable eyecup pops up when you need it, drops down when you don’t Sturdy anodiz...

Features Enjoy wide 82° views with Celestron Luminos Eyepieces Retractable eyecup pops up when you need it, drops down when you don’t Sturdy anodiz...

Features The Celestron 2.5x Luminos Barlow increases the magnification of any 2" or 1.25" eyepiece by two and a half times High-quality 4-element o...

Features Enjoy wide 82° views with Celestron Luminos Eyepieces Retractable eyecup pops up when you need it, drops down when you don’t Sturdy anodiz...

Features Enjoy wide 82° views with Celestron Luminos Eyepieces Retractable eyecup pops up when you need it, drops down when you don’t Sturdy anodiz...