All Products

The Plossl eyepiece is by far the most popular ocular in use today. With its 4-element symmetrical doublet design, it has low aberrations with almost every type of instrument.

We are pleased to announce our new range of heater bands. Very well made bands with an integreated controller for temperature adjustment. These will connect directly into a 12v power supply with a 2.1mm plug, which is standard on most Skywatcher and Celestron power tanks.

Designed for attaching a Canon DSLR or Nikon camera to any of the Sky-Watcher 0.85x Focal Reducer/Correctors (product codes 20234, 20235 & 20236).

Baader Hyperion 2" finetuning stopring with brass clampming ring & 2 thumb screw.

This extremely popular 1.25" to T-2 Nosepiece allows you to mount your T-2 accessories or Digital Camera into standard 1.25" focusers or accessories, primarily for prime focus photography.

T-2 counter ring with T-2 internal thread
Outside diameter 55mm
Height 3.75mm

Genuine replacement GPS interface board for Celestron CPC series. Genuine Celestron part for easy repairs and maintenance.

Deep Sky Dad optional hand controller for the AF3 motor.

Small bag for Flat Field Generators diam. 260 mm. Protect your valuable equipment with these high quality Geoptik cases. Made in Italy.

The ZWO anti-dew heating strip is used to prevent dew on the front window of ZWO ASI cooled cameras.

Fits: Celestron 14” (36 cm) f/11 SCT versions with metric thread factory Phillips collimation screws with Fastar and with or without EdgeHD optics.

Fits: Celestron 8” (20 cm) f/10 SCT with orange optical tube and factory set-style collimation screws.
Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Black anodized aluminum alloy

Fits: Celestron 9.25” (23.5 cm) f/10 SCT versions with "Trifid" Fastar secondary housing
Knobs: Black plastic, 9.5 mm (3/8”) diameter
Threads: Stainless steel

Fits: Celestron PowerSeeker 127 telescopes.
Knobs: Black plastic, 16 mm (5/8”) diameter
Threads: Stainless steel

Fits: Celestron Starhopper (6”, 8”, 10”, 12”) Newtonian telescopes.
Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Stainless steel

Fits: Meade Lightbridge telescopes (8”, 10”, 12”, 16”)
Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Stainless steel