Optical Accessories

FeaturesThe HyperStar 9.25 lens converts a standard Celestron 9.25" SCT from f/10 to f/2.2, making the system 25 times faster. That means 25-times...

Starizona's SCT Corrector has been an incredibly popular focal reducer and coma corrector, giving astrophotographers with standard Schmidt-Cassegra...

Starlight Instruments is proud to introduce a new Coma Corrector called the Starlight Integrated Paracorr System (referred to as SIPS hereafter). ...

The TS optics 0.5x reducer shortens the focal lengths of the telescope by 50% and doubles the lens speed and field of view. This advantage can be u...

The 2" CCD compressor reduces the focal length of telescopes with the factor 0.67x, thus allowing significantly shorter exposure times.♦ The focal ...

♦ Reduction of the focal length 0.79x - exposure time goes to 62%♦ 3-element design with ED element for very good field correction♦ Easy telescope ...

♦ Suitable for all 2" focusers, the corrector is completely sunken into the focuser♦ Very good results with all popular refractors and apos of at l...

♦ Suitable for refractor telescopes up to 102 mm aperture or smaller (ED, apo, achromat, ...)♦ Connection telescope side 2" barrel with filter thr...

♦ Suitable for refractor telescopes up to 102 mm aperture or smaller (ED, apo, achromat, ...)♦ Connection telescope side 2" barrel with filter thre...

2x magnification Barlow lens specifically designed for binoviewers Increases magnification while maintaining focus with binoviewer setups ...

45-degree erecting prism for 1.25" telescope eyepieces Provides correct image orientation for terrestrial and astronomical viewing Des...

90-degree erecting prism for 1.25" telescope eyepieces Provides correct image orientation for terrestrial and astronomical viewing Des...

High-quality 1.25" diagonal for refractor and catadioptric telescopes 99% reflectivity dielectric coating for maximum light transmission ...

High-quality 2" diagonal for refractor and catadioptric telescopes 99% reflectivity dielectric coating for maximum light transmission ...

Adjustable field flattener specifically designed for the William Optics Z61 telescope Improves edge-to-edge sharpness for astrophotography w...

Versatile field flattener for William Optics refractor telescopes Adjustable design for optimal performance with various camera setups ...

0.8x reducer For William Optics FLT91 refractor Description The William Optics Adjustable Flat6AIII for FLT91 is a special editio...

Improves edge-to-edge sharpness for astrophotography 43mm image circle Adjustable design 66.2mm back focus Description Specifications In the Bo...

Adjustable reducer and field flattener for William Optics Z61 telescope Improves image sharpness and reduces distortion Description ...

Adjustable reducer and field flattener for William Optics Z73 telescope Improves image sharpness and reduces distortion Description ...

Enhances visual astronomy with comfortable two-eye viewing Complete package includes binoviewer, eyepieces, and accessories Descriptio...

60° apparent field of view 10mm focal length for medium-high magnification Description The William Optics CatEye 60° 10mm - 1....

Designed specifically for William Optics 68mm f/6 refractor telescopes Corrects field curvature for improved edge-to-edge sharpness De...