Manufacturers & Suppliers of Astronomical Telescopes in India Serving Amateur Astronomers Since 1976
Manufacturers & Suppliers of Astronomical Telescopes in India Serving Amateur Astronomers Since 1976
Art No. : FF114-50mm extension tube 2”
With brass compression ring; Threaded for standard 2" filters; Total length = 85mm, Extension provided is 50mm (1.96").
GSO 2" Photography extension tube 35MM 50MM 80MM for astronomical telescope.
Different telescopes can have very different back focus distances.
In most telescopes the focal plane is deliberately moved further out, allowing users to attach cameras and other accessories more easily.
Refractors always have a rather long back focus since they are usually used with a star diagonal or erecting prism.
This high-quality GSO extension tube can be inserted into any 2" telescope focuser to gain an additional 35mm, 50mm or 80mm of back-focus travel. With this, eyepieces and accessories that you may not have been able to use because your fast telescope tube was optimized for various accessories use.
Home
Contact Us
Happy Customers
Our History
Terms and Conditions
Privacy Policy
Refund Policy
Shipping Policy
Pay
STARTRACKER [ India ]
EXPLORE SCIENTIFIC [ USA ]
G.S.O. [ Taiwan ]
Goto Mounts / Tripods [ U.S.A ]
BRESSER [ Germany ]
William Optics [ Taiwan ]
Founder Optics [ Taiwan ]
MEADE [ U.S.A ]
CELESTRON [ U.S.A ]
S V Bony [ China ]
ZWO [ China ]
EYEPIECES & ACCESSORIES
CAMERA ADAPTORS
HD CAMERA & AUTO GUIDERS
.gif){kind=small}