Telescope Upgrades

Primary collimation Knobs: Black plastic, 16 mm (5/8”) diameter Threads: Stainless steel Primary Lock Knobs: Red plastic, 16 mm (5/8”) diamete...

Adds dual-speed fine focusing to original TeleVue focuser bodies Direct retrofit for pre-2005 TeleVue OTAs with chrome draw tubes Internal brake s...

Replaces stock focuser on Meade 8.0" SCTs and 7" Maksutovs Adds dual-speed, ultra-fine focusing control Eliminates image-shift and coarse focus ju...

Replaces stock focuser knob with a dual-speed system Eliminates image shift and mirror flop common in SCTs Planetary reduction mechanism for ultra...

Replaces stock focuser on Celestron 11" SCTs True dual-speed 10:1 fine focus mechanism Eliminates image shift and mirror flop Installs easily with...

Recommended for the 400mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

Recommended for the 350mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

Recommended for the 300mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

Recommended for the 250mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

Recommended for the 200mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

Recommended for the 150mm Dobsonian mount Smooth, controllable altitude motion CNC machined in the UK Description Specifications In the Box War...

For the AG16 astrograph Reinforces focuser and tube-ring positions For the ACU-3 or Atlas focuser Individually machined to order in the UK Desc...

Fits the FLI Atlas focuser to the AG16 Replaces the standard Ceres focuser Individually machined to order in the UK Description Specifications ...

For the AG14 astrograph Reinforces focuser and tube-ring positions For the ACU-3 or Atlas focuser Individually machined to order in the UK Desc...

Fits the FLI Atlas focuser to the AG14 Replaces the standard Ceres focuser Individually machined to order in the UK Description Specifications ...

For the AG12 astrograph Reinforces focuser and tube-ring positions For the ACU-3 or Atlas focuser Individually machined to order in the UK Desc...

Fits the FLI Atlas focuser to the AG12 Replaces the standard Ceres focuser Individually machined to order in the UK Description Specifications ...

For the AG10 astrograph Reinforces focuser and tube-ring positions For the ACU-3 or Atlas focuser Individually machined to order in the UK Desc...

Fits the FLI Atlas focuser to the AG10 Replaces the standard Ceres focuser Individually machined to order in the UK Description Specifications ...

For the AG8 astrograph Reinforces focuser and tube-ring positions For the ACU-3 or Atlas focuser Individually machined to order in the UK Descr...

Fits the FLI Atlas focuser to the AG8 Replaces the standard Ceres focuser Individually machined to order in the UK Description Specifications I...

65mm Focuser Travel 105mm Focuser Tube Length Accepts 1.25'' Eyepieces Fits 114mm-150mm Newtonian Reflectors Durable All-Metal Rack & Pinion D...

The collimation of an SCT can be a daunting task for a beginner, but it is an absolutely necessary process to get the most out of your telescope! D...

Adds acclaimed Feather Touch dual-speed focusing to your existing focuser Direct retrofit for post-2005 Tele Vue OTAs with 2.4" black draw tube fo...