Adapters

Explore Scientific Rack and Pinion Focuser 1" Extension Tube

Explore Scientific Rack and Pinion Focuser 2" Extension Tube

Explore Scientific Rack and Pinion Focuser 2.5" Extension Tube

Reduction adapter from M48x0.75 to M42x0.75 mm.

This special T2-Ring for Canon DSLR Camera offers a extreme short light-path of only 1,5mm. Regular T2-Rings needs a light-path of about 11-12mm an...

Connect your Microscope or Telescope with a Canon EOS SLR camera and take images or videos* of your observed object! T-Mounts are the connecting pi...

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

Allows the use of a Lunt 2″ blocking filter in a 1.25″ focuser (blocking filter not included). Black-anodized aluminum.

This T2 to 2″ Eyepiece Tube Adapter allows the use of 2″ eyepieces with Lunt Solar Systems blocking filters, CaK modules, and all telescopes with ...

Rich Simons of Deep Sky Instruments and Optec have jointly developed a new, larger diameter standard spacer for large aperture telescopes. Like th...

Optec-DSI 3.5x24tpi male thread to M72x1mm (male) Takahashi thread. Outside Diameter: 3.82" (97.0mm) Overall Height: 0.74" (18.8mm) Clear Aperture...

The #19830 OPTEC-4300 to female Optec/DSI 3.5" threaded receiver allows any combination of our DSI 3.5-inch spacers to be easily installed on the c...

Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 6 mm length M54 side has a M48 internal thread

Pegasus Adapter M54 Male to M48 Female

Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 4 mm length M54 side has a M48 internal thread

Pegasus Adapter M54 Male to M54 Male

Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M42 Thread Pitch 0.75mm

Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M42 Thread Pitch 0.75mm / 4mm length

Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M48 Thread Pitch 0.75mm

Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M48 Thread Pitch 0.75mm / 4mm length Inner hole with M42 / 0.75mm

Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M54 Thread Pitch 0.75mm

Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4 mm length M54 Thread Pitch 0.75mm / 4mm length Inner hole with M48 / 0.75mm

Adapter (Backfocus) Thickness: 20 mm (backfocus) M68 Thread: Pitch 1.0mm / 4 mm length M54 Thread Pitch 0.75mm / 4mm length Inner hole with M48 / ...