Orion Premium 102mm F/7 ED Refractor.

The 102ED is an outstanding astro-imaging scope at an affordable price
The premium 102mm ED has a 714mm focal length and a moderately fast focal ratio of f/7.0
Fully multicoated objective lens has one element made of ED glass for excellent color
correction
The machined aluminum 2" Crayford-style focuser provides ultra-smooth dual speed focusing

Our newest photo-optimized refractor proves you can get big-time performance for a small-
time price! Outstanding optics, photo-friendly focuser, and superb fit-and-finish set a new
standard for quality — and it doubles as a great observation scope. Go ahead, ask for the
moon. You got it!

Everything about this refractor says quality. Its fully multicoated, air-spaced 102mm doublet
objective has one element made from superior extra-low dispersion (ED) optical glass for
amazing clarity and excellent color correction. Your photos will show the difference!

It's loaded with features to transform your imaging and observing. All-aluminum construction
will deliver decades of reliable performance. A sturdy 2" Crayford-style focuser handles heavy
cameras or 1.25" accessories (with the adapter) and rotates for exact camera positioning.
All-metal retractable lens shade, tube rings, and objective cover. It even has an engraved
millimeter scale on the focuser drawtube for added precision!

Includes metal tube rings and an 8" long dovetail mounting plate for attachment to most Orion
EQ mounts. Also includes dovetail base 7214 for an Orion finder scope (finder scope not
included).

Optical design - Refractor
Optical diameter - 102mm
Focal length - 714mm
Focal ratio - 7.0
Optics type - Air-spaced doublet
Glass material - Extra low dispersion
Eyepieces included - None
Resolving power - 1.14arc*sec
Lowest useful magnification - 15x
Highest useful magnification - 143x
Limiting stellar magnitude - 12.7
Optical quality - Diffraction limited
Finder scope - None
Focuser 2" - Crayford
Mount style - Optical Tube without Mount
Astro-imaging capability - Lunar, planetary & long exposure
Tube material - Aluminum
Length of optical tube - 23.0 in.
Weight, optical tube - 8.1 lbs.
Additional included accessories - tube rings (114mm ID) included (2 rings), Dovetail mounting
plate: 8", 1.25" eyepiece adapter, dovetail.
Other features - Dual-speed (11:1) focuser, Extendable lens shade, Rotatable focuser

Price - £749.00 + £10.00 shipping & insurance.

See The Review By Ade Ashford In The March 2008 Issue Of Astronomy Now.
Also the review in the October 2008 issue of ASTRONOMY.

The Astronomy Shop

1 Tone Hill. Wellington

Somerset TA21 0AU

United Kingdom

Telephone: +44 (0)1823 665510