OPTICAL TELESCOPE TUBE by- GSO 6" f/5 Newtonian and optimized focuser - ready for Photo-Visual.
A reasonable priced complete set for all astrophotographers - fitting to CCD and DSLR cameras - ideal for started with astrophotography.
Aperture 150 mm / Focal length 750 mm / aperture ratio f/5
High-quality parabolic main mirror with 94% forced reflective coating
Largely dimensioned secondary mirror with 55 mm diameter for a very good illumination of the cameras. No dark corners anymore.
Precise 2" Crayford focuser for precise focusing
Comes complete with tube rings, 6x30 finder, 2" focuser and reduction to 1.25"
What's in the Box
150mm f/5 Newtonian optical tube assembly
2" single speed Crayford-style focuser with 1.25" eyepiece adapter
6x30mm straight-through finder with bracket and base
Tube rings
8" Vixen-style dovetail rail
2" extension tube with 35mm extension
Front dust cover
No instruction manual is included
GSO 150mm f/5 Newtonian - Astrophotography Edition
Buy a Coma Corrector separately- Highly Recommended with this telescope.
Astrophotography with a fast Newtonian telescope is a pleasure. Very good results are possible from the beginning. The precondition is that the components fit together and the optics are as good as the mechanics. This combination fullfills the requirements and guarantees pleasure with astrophotography - right from the beginning.
Quality optics from GSO with outstanding image quality
No focusing problems even with digital SLRs
Very good 2" Crayford focuser with 1:10 speed reduction
Solid steel tube guarantees very high adjustment stability and stiffness
Primary and secondary mirror are completely adjustable
The secondary with 55 mm is largely dimensioned for a very good illumination over the complete field
94% forced coating for a brighter image and shorter exposure times
The high-quality 2" Crayford focuser
The 2" Crayford focuser with 1:10 speed reduction is included. Accessories are evenly clamped with a brass compresssion ring. The 1.25" reducer is equipped with a brass ring, too. The focuser will not wobble even when used with heavy cameras. With the 1:10 speed reduction, precise focusing is possible. Point-shaped stars over the whole field are the result.