Manufacturers & Suppliers of Astronomical Telescopes in India Serving Amateur Astronomers Since 1976

G.S.O.
GSO 6inch F/4 Imaging Newtonian Telescope
D=150mm / F=600mm F/4 Astrophotography Telescope | MADE IN TAIWAN
₹ 30900 + 18% GST

6" f/4 Imaging Newtonian telescope - for astro photography and rich field observation
fast and diffraction limited reflector system (f/4)
bright image by forced 94% mirror coatings
good field illumination by 63mm secondary mirror
robust mechanical system, no tilting/bending even under heavy camera load
improved Monorail focuser with 1:10 dual speed transmission - more stability compared with Crayford designs 
ideal for travelling: tube length only 58 cm, weight only 5.3 kgs with rings/no finderscope.
 
What's in the Box
150mm f/4 Newtonian optical tube assembly
2" Crayford-style linear bearing 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
 
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.

TELESCOPE SPECIFICATION
Country of Manufacturing TAIWAN
Optical Design Fast Newtonian
Primary Mirror 150 mm Primary Mirror 94% reflectivity dielectrically coated/minimum 1/12th wave, BaK7 glass
Focal length 600mm
Focal Ratio f/4
Highest Practical power 200x
Faintest Steller Magnitude 13.6
Finder 6x30mm Fully multi-coated achromatic finder
Focuser: 2" Monorail with 1.25" reducer, brass compression rings and 1:10 dual speed transmission
Accepts Eyepiece Barrel Ø 50.8mm (2") to 31.7mm(1.25")
Secondary Mirror 63mm (minor Axis)

Eyepiece 1.25" / 2" OD

OPTIONAL

Barlow Lens OPTIONAL
Mount type NO
Astro-imaging capability Deep Sky
Mounting Ring Two mounting ring
Dove tail Bar system Yes
Tube material Steel
Tube dimension length 580 mm / diameter 180 mm
Weight , optical tube 6 kg including mounting ring and 6x30 finder

Shipping Weight OTA

Net weight - 6 Kg / Gross weight: 6.5 Kg

Shipping Cartoon Dimension 150/F4 OTA 65 x 40 x 26 cm3

This device focuses a lot of light.
Looking directly at the SUN through this device can result in partial or complete loss of vision.
For observing the SUN, we recommend you buy a 'Solar Safety Film' for this Telescope.

Buy 1000 OAKS Solarite Safety Film
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