Visual Backs & Eyepiece Adapters

Adapts 2" focusers and diagonals to accept 1.25" accessories ClickLock cam-lever mechanism for secure, rapid clamping Thumbscrew-free design preve...

Clamps any 1.25" eyepiece or accessory without clamping screws Replaces thumbscrews with a 20° twist-lock action Telescope-side M42x0.75 (T-2) fem...

Patented parallel alignment system Adapts 2" focusers to 1.25" accessories Zero in-focus loss for maximum compatibility Threaded for 48 mm (2") fi...

Adds precise helical focusing to any T-2 thread Accepts standard 1.25" eyepieces and accessories Three clamping screws for fine centering, plus a ...

Connects 1.25" accessories to T-2 threads Ultrashort design minimizes optical path length Ideal for complex imaging trains with limited back focus...

Adapts standard SCT rear cell threads to accept 2" accessories Threaded connection provides a secure, flex-free optical train Brass compression ri...

Connects 2" accessories to ESATTO 2" and ARCO 2" M56 female thread for direct attachment Three locking screws for secure, centered grip Internal b...

Makes 2-inch Baader Hyperion eyepieces parfocal Sets a precise, repeatable focus position for each eyepiece Integrated brass clamp ring prevents s...

28mm Optical Extension M48 Male and Female Threads Modifies Eyepiece Focal Length Compatible with Baader Hyperion Eyepieces Maintains Optical Alig...

Holds four 1.25" eyepieces for rapid switching Lightweight design is compatible with most focusers Metal threads for secure connections Accepts pl...

Replacement 2" Eyepiece Holder Designed for Sky-Watcher Dobsonian Telescopes Fits Focuser Openings of 57 mm Securely Holds 2" Eyepieces and Access...

Adapts ESATTO 3" Focuser to Use 2" Accessories Internal Brass Compression Ring Prevents Scratches Multiple Locking Screws for a Secure, Centered F...

Sets a repeatable, precise focus position for any 1.25" accessory Ideal for parfocalizing a set of eyepieces Reduces time spent refocusing when sw...

Adds precise focusing to 1.25" eyepieces or accessories Connects to female M36.4 Vixen-style threads For Vixen, Takahashi and Lichtenknecker focus...

Customizes eyecup height for optimal eye placement Provides a secure clamping surface for smartphone adapters Stackable design for eyepiece projec...

14mm Extension Length M48 Male and Female Threads Compatible with Baader Hyperion Modular Eyepieces Increases Eyepiece Magnification Maintains Opt...

Attaches a Celestron/Meade f/6.3 Focal Reducer to any 2.0" opening Enables wide-field visual observation with SCTs Precision-machined for a secure...

Holds 2" accessories Known to fit any 2" Feather Touch SCT adapter (sold separately) Patented Parallizer alignment keeps the accessory axis parall...

Adapts Kowa PROMINAR scopes to accept standard 1.25" astronomy eyepieces Compatible with TSN-99, TSN-88, TSN-77, and TSN-66 series scopes Knurled ...

Adapts standard 1.25" astronomy eyepieces to Kowa PROMINAR spotting scopes Compatible with TSN-99, TSN-88, TSN-77, and TSN-66 series scopes Grub s...