Astronomy Specialist

ASKAR FMA230 F/4.6 TRIPLET APO LENS

$1,099.00

Quantity
- +

 

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

 

 


 

 

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 foot 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

 

 

 

  • FMA230 telescope
  • FMA230 reducer with extension tube
  • Pair of tube rings with adjustment screws
  • Finderscope bracket
  • Vixen-style dovetail bar
  • 2" adapter
  • Manual

 

 

 

ZWO camera software ASKAR FMA230 manual (coming soon!)

 

 

Veil Nebula by Ou Ming Zhi - Askar FMA230, ZWO ASI2600MC, ZWO Duo-Band filter.

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