ASKAR FMA230 F/4.6 TRIPLET APO LENS
Askar
Apochromatic triplet
1.05 kg
ASKAR FMA230 F/4.6 TRIPLET APO LENS is backordered and will ship as soon as it is back in stock.
The Askar FMA230 F/4.6 is an extremely versatile, lightweight triplet apochromatic refractor with a focal length of 230mm. The objective lens has an aperture of 50mm and includes two ED (extra-low dispersion) lenses.
The FMA230, when combined with the included quadruplet reducer, is a very capable super wide-field astrograph with minimal chromatic aberration and distortion. As well as its superb imaging capability, it can be configured as a visual telescope, finder or guide scope.
Features
- Can be used as either a 275mm f/5.5 visual telescope or a highly corrected 230mm f/4.6 astrograph when combined with the included reducer/corrector.
- Compact and exceptionally light, at 248mm long and 1045 grams.
- Includes all adapters necessary for use as a photographic, visual, finderscope and guidescope.
- Comes with mounting rings, Vixen-style dovetail base and multifunctional handle with Vixen-style & Arca-Swiss saddle for a wide range of configuration possibilities.
- Extremely portable and versatile construction, ideal for grab and go astrophotography with a star tracker.
- Highly precise helical focuser with 30mm of travel
Specifications
Optical design |
Air-spaced apochromatic triplet with two ED elements |
Objective diameter |
50 mm |
Focal length |
275 mm (230 mm with reducer) |
Focal ratio |
f/5.5 (f/4.6 with reducer) |
Mount attachment |
Arca-Swiss style tripod saddle handle with 3/8" and 1/4" threads, Vixen-style dovetail base |
Focuser |
Helical focuser |
Camera connection |
M48 x 0.75, 2" adapter |
Backfocus |
55 mm |
Weight |
1045 g |
Length |
248 mm with reducer |
SKU |
AS-230 |
Items included
- FMA230 telescope
- FMA230 reducer with extension tube
- Pair of tube rings with adjustment screws
- Finderscope bracket
- Vixen-style dovetail bar
- 2" adapter
- Manual
Downloads
ASKAR FMA230 manual |
Gallery