Products

200mm aperture, f/4.5 Standard grade, 1/4 PV wavefront accuracy Hand-figured in the UK Supplied with a Zygo interferometer test report Descript...

200mm aperture, f/6 Standard grade, 1/4 PV wavefront accuracy Hand-figured in the UK Supplied with a Zygo interferometer test report Descriptio...

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

Sized for 200mm Dobsonian mounts CNC machined in the UK Description Specifications In the Box Warranty Trunion Rings and Blocks -- OOUK 8...

Sized for 200mm Dobsonian mounts CNC machined in the UK Description Specifications In the Box Warranty 200mm Trunion Rings, Spacers and B...

Designed for 250mm (10-inch) class Newtonian telescopes Accepts optical tubes with an outer diameter up to 280mm Classic Dobsonian rocker box desi...

250mm aperture, f/4.8 Standard grade, 1/4 PV wavefront accuracy Hand-figured in the UK Supplied with a Zygo interferometer test report Descript...

250mm aperture, f/6.3 Standard grade, 1/4 PV wavefront accuracy Hand-figured in the UK Supplied with a Zygo interferometer test report Descript...

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

Sized for 250mm Dobsonian mounts CNC machined in the UK Description Specifications In the Box Warranty Trunion Rings and Blocks -- OOUK 1...

Sized for 250mm Dobsonian mounts CNC machined in the UK Description Specifications In the Box Warranty 250mm Trunion Rings, Spacers and B...

3" to 2" push fit 10mm back focal distance Individually machined to order in the UK Description Specifications In the Box Warranty 3" to ...

Designed for Optical Tubes up to 236mm in Diameter Classic Dobsonian Alt-Azimuth Design Provides a Stable, Vibration-Free Platform Ideal for High-...

300mm aperture, f/4 Standard grade, 1/4 PV wavefront accuracy Hand-figured in the UK Supplied with a Zygo interferometer test report Descriptio...

300mm aperture, f/5.3 Standard grade, 1/4 PV wavefront accuracy Hand-figured in the UK Supplied with a Zygo interferometer test report Descript...

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

Sized for 300mm Dobsonian mounts CNC machined in the UK Description Specifications In the Box Warranty Trunion Rings and Blocks -- OOUK 1...

Sized for 300mm Dobsonian mounts CNC machined in the UK Description Specifications In the Box Warranty 300mm Trunion Rings, Spacers and B...

Accommodates large Newtonian optical tubes Designed for 350mm class telescopes Accepts tube diameters up to 385mm Classic Dobsonian alt-azimuth de...

350mm aperture, f/4.7 Standard grade, 1/4 PV wavefront accuracy Hand-figured in the UK Supplied with a Zygo interferometer test report Descript...

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

Sized for 350mm Dobsonian mounts CNC machined in the UK Description Specifications In the Box Warranty Trunion Rings and Blocks -- OOUK 1...

Sized for 350mm Dobsonian mounts CNC machined in the UK Description Specifications In the Box Warranty 350mm Trunion Rings, Spacers and B...

35x49mm minor/major axis 10mm thick Plate substrate Precision ground and coated in the UK Description Specifications In the Box Warranty ...