Optical Accessories

Reduction Factor: 0.8x Optical Design: Reducer and Field Flattener Telescope Connection: 2-inch Barrel Camera Connection: M42x0.75 T-Ring Thread O...

Reduction Factor: 0.8x Effective Focal Length (on TV-102): 704mm Effective Focal Ratio (on TV-102): f/6.9 Compatibility: TV-102 and 800-1000mm f...

Magnification: 2.5x Barrel Size: 1.25" Optical Design: 4-Element Pupillary Corrector Compatibility: Visual and Photographic Use Filter Threads: Ye...

Magnification Factor: 2x Barrel Size: 1.25" Optical Design: 2-Element, Fully Multi-Coated Eyepiece Holder: Brass Compression Ring Filter Threads: ...

Magnification Factor: 2x Barrel Size: 2" with 1.25" Adapter Optical Design: 4-Element, Telecentric Coatings: Fully Multi-Coated Filter Threads: Ye...

Magnification Factor: 2x Barrel Size: 2" Optical Design: 4-element Telecentric Amplifier Coatings: Fully Multi-Coated Filter Threads: Yes (48mm / ...

Magnification Factor: 3x Barrel Size: 1.25" Optical Design: 3-element, apochromatic Coatings: Fully multi-coated Compression Ring: Yes, brass Filt...

Magnification Factor: 4x Barrel Size: 2" Optical Design: 4-Element Pupillary Corrector Compatibility: 2" and 1.25" Eyepieces (with adapter) Primar...

Magnification Factor: 5x Barrel Size: 1.25" Optical Design: 4-Element Telecentric Weight: 0.5 lbs / 227g Total Height: 3.1" / 79mm T-Ring Adapter ...

Reflectivity: 99% Everbrite Dielectric Coatings Viewing Angle: 60° Barrel Size: 1.25" Construction: Machined Aluminum Housing Eyepiece Holder: Non...

Diagonal Type: 90° Mirror (Star) Barrel Size: 1.25" Reflectivity: 96% Eyepiece Holder: Brass Clamp Ring Filter Threads: Yes (1.25") Weight: 5 oz (...

Reflectivity: 99% Dielectric Coating Substrate Material: Pyrex Barrel Size: 1.25" Optical Angle: 90° Eyepiece Holder: Non-marring Brass Clamp Ring...

Reflectivity: 99% Dielectric Coatings Mirror Substrate: Pyrex Body Construction: CNC-Machined Aluminum Eyepiece Holder: Non-Marring Brass Clamp Ri...

Corrects Coma in Newtonian Reflectors For f/3 to f/6 Parabolic Mirrors 1.15x Magnification Factor Designed for 3-inch Focusers Prevents Vignetting...

11mm Focal Length 62° Apparent Field of View 1.25" Barrel Diameter 20mm Eye Relief 11.7mm Field Stop Description FAQ Specificat...

13mm Focal Length 62° Apparent Field of View 1.25" Barrel Diameter 20mm Eye Relief 13.8mm Field Stop Description FAQ Specificat...

15mm Focal Length 62° Apparent Field of View 1.25" Barrel Diameter 20mm Eye Relief 16.0mm Field Stop Description FAQ Specificat...

18.2mm Focal Length 62° Apparent Field of View 1.25" Barrel Diameter 20mm Eye Relief 19.1mm Field Stop Description FAQ Specific...

3mm Focal Length 62° Apparent Field of View 1.25" Barrel Diameter 20mm Eye Relief 3.2mm Field Stop Description FAQ Specificatio...

4mm Focal Length 62° Apparent Field of View 1.25" Barrel Diameter 20mm Eye Relief 4.3mm Field Stop Description FAQ Specificatio...

5mm Focal Length 62° Apparent Field of View 1.25" Barrel Diameter 20mm Eye Relief 5.3mm Field Stop Description FAQ Specificatio...

7mm Focal Length 62° Apparent Field of View 1.25" Barrel Diameter 20mm Eye Relief 7.9mm Field Stop Description FAQ Specificatio...

9mm Focal Length 62° Apparent Field of View 1.25" Barrel Diameter 20mm Eye Relief 10.2mm Field Stop Description FAQ Specificati...