Optimised optical and mechanical excellence

Image quality is both superb and consistent, small as possible secondary mirror size to enable minimum obstruction without any undue reduction in field of view.

These OTA's are fitted with Precision Crayford focusers. CNC machined body from solid aluminium.
Stainless steel drive spindle. Polished, anodised external surfaces.
Light baffled draw tube.
Click image above for more information.

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Page 7 of 8

SPX 300 f5.3 Specification:
1/8PV Optics
Hilux Coatings
50.8 Highest Quality Crayford
50mm Finder
CNC 9 Point Mirror Cell

 Model dimensions 
Tube weight only 16kg
Tube diameter 326mm
Tube length 1510mm
Focal Length 1600mm 
Focal ratio f5.3
(All weights approx)

Fully CNC machined 9 point floating suspension mirror cell. Stove enamelled in black and fully adjustable.