Products

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...

Connection Side 1: Male T-Thread (M42x0.75) Connection Side 2: Female Thread for 1.25" Powermate Compatibility: Tele Vue 2.5x and 5x 1.25" Powerma...

Extension Length: 2 inches (50.8mm) Barrel Diameter: 2 inches Locking Mechanism: Brass clamp ring with single thumbscrew Safety Feature: Undercut ...

Extension Length: 3.5" (89mm) Telescope Connection: 2" Barrel Accessory Connection: 2" Barrel Material: Anodized Aluminum Internal Finish: Matte B...

Adds 1.2" (30.5mm) of Extension For 2" Focusers and Accessories Non-Marring Brass Clamp Ring Dual Thumbscrews for Secure Lock Accepts Standard 2" ...

Extension Provided: 1mm (0.040") Accessory Standard: Tele Vue 2.4" Imaging System Connection Type: Threaded Material: Black Anodized Aluminum Oute...

Extension Length: 2mm (0.080") Connection Type: Tele Vue 2.4" Proprietary Thread Format: Accessory Tube Material: Black Anodized Aluminum Compatib...

Component Type: Fixed Extension Tube System Format: Tele Vue 2.4" Imaging System Optical Length: 0.25" (6.4mm) Connection Side 1: M61x1 Male Threa...

Extension Length: 9.5mm (0.375") Format: Tele Vue 2.4" Accessory Standard Connection Side 1: 2.4" Female Thread Connection Side 2: 2.4" Male Threa...

Extension Length: 0.50" (12.7mm) Connection Standard: Tele Vue 2.4" Imaging System Thread Material: Black Anodized Aluminum Clear Aperture: >2....

Extension Length: 1.0" (25.4mm) Format: Tele Vue 2.4" Imaging System Connection Side 1: 2.4" Male Thread Connection Side 2: 2.4" Female Thread Mat...

Connection Side 1: 2.4" Female Thread for Tele Vue NPis Focusers Connection Side 2: 2" Accessory Barrel with Brass Clamp Ring Material: Anodized A...

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 / ...

Telescope Compatibility: Fits any 3-inch (76.2mm) outer diameter tube Mounting Interface: Three 1/4"-20 tapped holes Accessory Interface: Dual top...

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

Connection (Telescope Side): Tele Vue 2.4" Female Thread Connection (Filter Side): M48x0.75 Male Thread (Standard 2" Filter Thread) Application: T...

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 (...