Spacer Rings, Extensions & Adapters

Tele Vue 48mm Filter Adapter for 2.4" The Tele Vue 48mm Filter Adapter for 2.4" allows use of 48mm filters in optical-train and adds 0.25” of spaci...

Tele Vue 2.4" Adapter for 2" Accessories The Tele Vue 2.4" Adapter for 2" Accessories is another key component that expands the usability of your e...

Tele Vue 2"-1.25" In-Travel Adapter Allows use of 1¼” eyepieces in any 2″ focuser or diagonal. The Tele Vue 2″-1.25″ In-Travel Adapter allows more ...

Tele Vue 2"-1.25" HiHat Adapter Satin The Tele Vue 2″-1.25″ HiHat Adapter is specially designed with a high rise head to keep Tele Vue Barlows and ...

Tele Vue 2"-1.25" Flat Top Adapter The Tele Vue 2″-1.25″ Flat Top Adapter allows closer placement of the eyepiece. Use with Newtonian reflectors, T...

Tele Vue 2"-1.25" Equalizer HiHat Adapter The heavy solid bronze Tele Vue 2″-1.25″ Equalizer HiHat Adapter adds 12-ounces to help equalize the weig...

Tele Vue 2" SCT Adapter Connect your Tele Vue diagonal to your SCT with the Tele Vue 2" SCT Adapter. In the Box SCT Adapter Manual & Warrant...

Tele Vue 2" Eyepiece Barrel Extension The Tele Vue 2″ Eyepiece Barrel Extension increases backfocus distance and provides a mounting location for 2...

Tele Vue 1.25" Questar Adapter Unleash the potential of your Questar 3.5 with Tele Vue’s 1¼”. Just add the Tele Vue 1.25″ Questar Adapter to use an...

PrimaluceLab T2-50,8mm photographic adapter The T2-50,8mm photographic adapter connects to all cameras and accessories with female T2 (M42x0,75) th...

PrimaluceLab SESTO SENSO 26mm Adapter This 26mm adapter allows you to install SESTO SENSO 2 on focusers that come with a 26mm diameter shaft, like ...

QHYCCD M54 Nikon Lens Adapter The QHYCCD M54 Nikon Lens Adapter allows you to install a Nikon objective (F-Mount) to your QHYCCD M54 COLDMOS Camera...

QHYCCD Fine Adjustment M54 Adapter Set The QHYCCD Fine Adjustment M54 Adapter Set contains five spacers (0.5mm, 1mm, 2mm, 3mm, 7mm) and a 4mm M54 f...

PrimaluceLab Adapter from M81 PrimaluceLab Adapter from M81 to M48 with Stop Ring for ESATTO 3" (PL3600277) The PrimaluceLab Adapter from M81 to M...

PrimaluceLab Adapter ESATTO 3" for GSO/Orion/TPO RC 10, 12, 14 & 16" If you are searching for the most precise motorized focuser to use the GSO...

PrimaluceLab Adapter ESATTO 3" for FSQ-85 If you are searching for the most precise motorized focuser for Takahashi FSQ85, the PrimaluceLab Adapter...

Pegasus Astro Prodigy Microfocuser  For SCT 9.25 -C11-C14 Can be used to Celestron Edge C 9.25 in combination with Celestron’s focal reducer only. ...

PrimaluceLab 9mm T2 extension PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side...

PrimaluceLab 5mm T2 extension PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side...

PrimaluceLab  5mm M48 extension PrimaLuceLab M48 extensions are available in different lengths and they present on both sides of a M48 thread (one...

PrimaluceLab 2" Visual Back for ESATTO 3" If you want to use your telescope visually with ESATTO 3" or if you want to connect a camera with a 2" no...

PrimaluceLab 2" Visual Back for ESATTO 2" If you want to use your telescope visually with ESATTO 2" or if you want to connect a camera with a 2" no...

PrimaluceLab ESATTO 2" Nosepiece adapter for ARCO 2" 2" nosepiece for ARCO 2" allows you to connect rotator to focusers that come with 2" visual b...

Lunt T2 to 2″ Adapter Do you want to use 2″ eyepieces with your Lunt solar telescope or solar filter? Simply remove the 1.25″ eyepiece tube from yo...

Optec-DSI 3.5" Telescope Spacers High Performance 3.5″ Threaded Extension Rings Rich Simons of Deep Sky Instruments and Optec have jointly develope...

HoTech SCA T-Adapter 1.25" The Self-Centering Adapter (SCA) mechanism provides repeatable and reliable connection between your telescope and the ca...

Daystar Quark to T Adapter Daystar Quark to T Adapter Technical Specifications Connection Side A Daystar Quark Connection Side B M42x0.75 (T/T...