Visual Backs & Eyepiece Adapters

Replaces standard thumbscrew holders with a secure twist-lock mechanism Ensures perfect axial alignment for eyepieces and cameras Provides a solid...

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

Securely Clamps 1.25" Eyepieces and Accessories Replaces Thumbscrews with a Simple Twist-Lock Action T-2 Female Thread (Telescope Side) for System...

User InstructionsThere is a misconception that the problem of the cylindrical slip-fit system we use for eyepieces and other optical accessories is...

Adds precise helical focusing to any T-2 thread Accepts standard 1.25" eyepieces and accessories Dual clampscrews for a balanced, secure hold Inte...

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

Converts 2" focusers to a 1.25" holder Innovative RotoLock self-centering mechanism Dual input: 2" push-in barrel and female M48 threads Adds 38 m...

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 Ideal for finderscopes, guidescopes, and othe...

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...

Connects eyepieces to Celestron/Meade f/6.3 Focal Reducers Enables wide-field visual observation with SCTs Precision-machined for a secure, non-fl...

Introducing the SCT Parallizer®. This new application of Howie Glatter’s patented Parallizer® principle raises the bar for performance. The 2” hol...

Securely holds 1.25" eyepieces and accessories RotoLock system provides self-centering, even grip Attaches to standard SCT rear threads (M50.8 fem...

Designed for Schmidt-Cassegrain Telescopes (SCT) Features a secure RotoLock mechanism for 2" accessories Description The Willi...

Adapts ESATTO 3.5" LP focusers to accept 3" accessories Internal brass compression ring prevents scratches Multiple locking screws ensure a secure...