Eyepieces & Visual
Filters
TeleVue Plössl 32mm 50° Eyepiece - 1.25"
32mm Focal Length 50° Apparent Field of View 1.25" Diameter Barrel 22mm Eye Relief 27mm Field Stop Description FAQ Specifications In the Box Do...
View full detailsTeleVue Plössl 40mm 43° Eyepiece - 1.25"
40mm Focal Length 43° Apparent Field of View 1.25" Diameter Barrel 28mm Eye Relief 27mm Field Stop Description FAQ Specifications In the Box Do...
View full detailsTeleVue Plössl 55mm 50° Eyepiece - 2"
55mm Focal Length 50° Apparent Field of View 2" Diameter Barrel 38mm Eye Relief 46mm Field Stop Description FAQ Specifications In the Box Downl...
View full detailsWilliam Optics 1.25" 90° Erect Prism for Cat 61 WIFD
Provides a fully corrected, erect image for terrestrial viewing Comfortable 90° viewing angle Standard 1.25" barrel accepts most astronomical eyep...
View full detailsWilliam Optics 2" 90° Dura Bright Dielectric Diagonal for SCT threaded Scope
Enables use of 2-inch eyepieces for wide-field views 90° viewing angle for comfortable observing at the zenith Dura-Bright dielectric coatings for...
View full detailsWilliam Optics 2x Barlow Nosepiece for Binoviewer
Provides 2x magnification Enables binoviewers to reach focus in most telescopes Standard 1.25" nosepiece format Threads directly onto the binoview...
View full detailsWilliam Optics 45° Erecting Prism - 1.25"
Provides a fully corrected image (upright and left-right correct) Comfortable 45° viewing angle for terrestrial observation Fits standard 1.25" fo...
View full detailsWilliam Optics 90° Erect Prism - 1.25"
Provides a fully corrected, upright, and non-reversed image Designed for 1.25" focusers and eyepieces 90° viewing angle for comfortable observing ...
View full detailsWilliam Optics 99% Dielectric Dura Bright Diagonal - 1.25"
1.25" Barrel Diameter 99% Dielectric Coated Mirror 1/12λ Mirror Surface Accuracy 12mm Thick Mirror Substrate 100% Real Carbon Fiber Side Plates ...
View full detailsWilliam Optics 99% Dielectric Dura Bright Diagonal - 2"
2" Barrel with 90° Viewing Angle 99% Reflectivity Dielectric Coatings 1/12th Wave Precision Polished Mirror 12mm Thick Mirror Substrate for Therma...
View full detailsWilliam Optics Binoviewer Complete Package
Includes two 20mm 66° wide-angle eyepieces High-quality BaK4 prisms with full multi-coatings Large 20mm clear prism aperture prevents vignetting I...
View full detailsWilliam Optics RedCat WIFD Erecting Prism - 1.25"
Converts Astronomical Telescopes for Terrestrial Viewing 90-Degree Viewing Angle Accepts Standard 1.25" Eyepieces Anti-Reflection Coated BAK7 Pris...
View full detailsWilliam Optics SPL 55° 12.5mm Eyepiece - 1.25"
1.25-inch eyepiece with 55° apparent field of view 12.5mm focal length for medium-high magnification viewing Description The W...
View full detailsWilliam Optics SWAN 72° 40mm Eyepiece - 2"
40mm Focal Length 72° Apparent Field of View 2" Diameter Barrel 28mm Long Eye Relief Parfocal Design Description FAQ Specifications In the Box ...
View full details