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Orion 80 ED Refractor
Orion 80 ED

Between 2005-01 and 2006-07 I made a lot of full disk images of the moon and the sun with this the Orion 80 ED, a 80-millimeter ED apochromatic refractor. For his price this telescope has very good optics. In the summer of 2006 I replaced this scope by a William Optics ZenithStar 80II ED APO.




Features:

Optical tube: Seamless aluminum
Objective lens diameter: 80mm (3.1")
Objective lens: Apochromatic, rear element made of ED glass, air-spaced
Objective lens coating: Fully multi-coated
Lens cell: Machined aluminum
Focal length: 600mm
Focal ratio: f/7.5
Focuser: Crayford, accepts 1.25" or 2" accessories and camera T-Ring
Mounting: 1/4"-20 mounting block, optional tube rings
Weight: 5 lbs. 11 oz.
Length: 23.5"


Crayford focusser  Apochromatic lens, rear element made of ED glass, air-spaced  Orion 80 ED on photo mount with 2" diagonal and 9x50 finder scope  


On the cloudy nights telescope reviews website there are several reviews of this instrument published:


Orion 80mm f/7.5 ED Refractor vs Masked 80mm Televue 102 ED Refractor by Wing Eng
Orion ED80 Review by David Goodrich
Orion 80mm ED Refractor By Bill Grass