Adapters

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 / ...

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

If you want to use your telescope visually with ESATTO 2" or if you want to connect a camera with a 2" nosepiece, just connect the 2" visual back f...

If you want to use your telescope visually with ESATTO 3" or if you want to connect a camera with a 2" nosepiece, just connect the 2" visual back f...

PrimaLuceLab M48 extensions are available in different lengths and they present on both sides of a M48 thread (one side is male, the other is femal...

PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side is male, the other is female)...

When installing ESATTO 3" in a telescope with a long travel focuser (such as those usually found on refractors), it is necessary to take into acco...

PrimaLuceLab M48 extensions are available in different lengths and they present on both sides of a M48 thread (one side is male, the other is femal...