The Lumicon Female T-Thread - 2in Female Adapter, the LA1075, threads onto male T-Threads and accepts 2" eyepieces & accessories. Overall length is 2". Applications: To use 2" eyepieces on the Lumicon 1.25" Multiple Filter...

GTO 2" Extension Adds 2" to your travel of focus, with brass ring insert

The Lumicon 1.25in Male - 2in Female Adapte, LA1055, drops into 1.25" eyepiece holders and accepts 2" eyepieces and accessories. Includes 1.25" filter threads.

The Lumicon Low-Profile 2" Prime Focus Adapte, LA1080, drops into 2" eyepiece holder and presents male T-threads (42mm x 0.75mm) for T-ring attachment.  For prime focus photography where back-focus is critical, and where 2"...

Visual Back - 1.25" This accessory is used to adapt the threads on all Schmidt-Cassegrain models for use with 1.25" accessory items. This includes diagonals, straight through viewing with eyepieces, etc. This item comes standard with all...

The Lumicon 1.25in Male - .965in Female Reducer drops into 1.25" eyepiece holder and accepts 0.96" eyepieces.

Short 2" Extension Tube   Provides 1 3/8" of additional focus travel to the rear. Uses compression ring.

Celestron T-Adapter, C90 and NexStar 4 For NexStar 4 and for all C90 Spotting Scopes. A T-Adapter allows you to attach your 35mm SLR camera to the prime focus of your telescope or spotting scope. This arrangement is used for terrestrial photography...

Celestron T-Adapter, (C5/8/91/4/11/14) For all Schmidt-Cassegrains. It threads onto the rear cell. A T-Adapter allows you to attach your 35mm SLR camera to the prime focus of your telescope or spotting scope. This arrangement is used for terrestrial...