Visual Backs & Eyepiece Adapters

Adapts Questar telescopes to accept 1.25" eyepieces Connection to Telescope: Questar Male Thread Connection to Accessory: 1.25" Barrel with Brass ...

Function: Balances telescope when switching between 2" and 1.25" eyepieces Compatibility: 2" focusers and diagonals Eyepiece Size: Accepts 1.25" e...

Adapter Type: 2" to 1.25" Reducer Profile: Flat Top (Low Profile) Locking Mechanism: Brass Clamp Ring Compatibility: 2" Focusers and Diagonals Eye...

Function: Reduces focuser in-travel requirements Compatibility: 2" focusers and diagonals Accessory Size: 1.25" eyepieces and accessories Locking ...

T-thread visual back for small Schmidt-Cassegrain Telescopes (SCT)

Lumicon 2 Inch Thread-in Extension Tube – 2 Inch Eyepiece Push Back threads into 2" telescope eyepieces for small focus extension. Provides an exte...

Securely holds 2" eyepieces and accessories Ultra-low profile design minimizes backfocus consumption Features male M68x1 Zeiss-system threads on b...

Securely holds all 2" eyepieces and accessories Non-marring clamping mechanism prevents scratches on barrels Ensures precise and repeatable center...

Reduces a 2" focuser to accept 1.25" accessories Features an external male T-2 thread for direct camera attachment Non-marring brass compression r...

Adapts 1.25" (1¼") focusers to accept 0.965" (24.5mm) eyepieces Brings classic and vintage eyepieces into use with modern telescopes Precision-mac...

Adds 18mm of extension length Standard 1.25" outer diameter Threads into 1.25" eyepiece filter threads Features male and female 1.25" filter threa...

Converts the rear port thread on Celestron C90, NexStar 4, and Meade ETX telescopes Adapts the proprietary thread to a standard 2" Schmidt-Cassegr...

Connects Celestron C90/NexStar 4 and Meade ETX telescopes to 2" accessories Enables the use of 2" diagonals for wider true fields of view Accepts ...

Adapts Baader Morpheus eyepieces to Kowa spotting scopes Compatible with Kowa TSN 770 and TSN 880 models Utilizes the M41 thread on Morpheus eyepi...

Connects Baader Hyperion Zoom Mark IV to M44x1 threads Male 2" SCT thread for eyepiece connection Female M44x1 thread for spotting scope connectio...

Connects Baader Hyperion Zoom Mark IV to select spotting scopes Male Thread: 2" SCT (Schmidt-Cassegrain) Female Thread: M41.5x1 Compatible Brands:...

Connects Baader Hyperion Zoom Mark IV to Kowa spotting scopes Designed for Kowa TSN 770 and TSN 880 series Utilizes the scope's native M54 male th...

Adapts T-2 (M42x0.75) Threads to a 1.25" Eyepiece Holder Provides a Standard 1.25" Receptacle for Eyepieces and Accessories Part of the Baader Ast...

Adapts Zeiss Diascope eyepieces to a standard 2" focuser Features the proprietary Zeiss bayonet mount Precision-machined for a secure, non-marring...

Adapts Zeiss Diascope Bayonet to a standard 1.25" eyepiece holder Unlocks access to the entire 1.25" astronomical eyepiece market Enables use of s...

Adapts four major large-format focusers to a 2" clamp Female threads: M68 (Zeiss), 2.7" (Astro-Physics) Female threads: M60 (Vixen), M56 (Synta/Sk...

Direct-threads to the rear cell of Schmidt-Cassegrain telescopes Compatible with 8", 9.25", 11", and 14" SCT models Designed for Baader 2" zenith ...