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Our most popular model, particularly with high resolution CDD users.

Everything has been considered to achieve optimised optical and mechanical excellence.The 250mm f6.3 model is for high resolution views and imaging of all subjects especially planets and the moon. Globular clusters are stunning along with double stars showing text book diffraction patterns.

We have developed the SPX range purely because of the tremendous number of experienced observers who have asked us to build custom high quality systems for them. We took all the features customers asked for and haveintegrated the most important ones in the SPX range.

We have spared nothing in achieving superlative performance. Image quality is both excellent and consistent, one aspect has been to utilise as small as possible a secondary mirror size to enable minimum obstruction without any undue reduction in field of view.

Buy this model as an Optical Tube Only (OTA) or Buy Tube and Mount as a Package from the selection below.

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SPX 250 f6.3 Specification:

1/8PV Optics
Hilux Coatings
50.8 Highest Quality Crayford
CNC 9 Point Mirror Cell
(Eyepiece only supplied with
OTA & Mount Package):
12.5mm Plossl Eyepiece included*
* focal length of eyepiece supplied subject to change due to availability.

 Model dimensions

Tube weight only 11kg
Tube diameter 280mm
Tube length 1550mm
Focal Length 1600mm
Focal ratio f6.3
(All weights approx)

This model is fitted with a Precision Crayford focuser. 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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