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ASKAR ACL200 200mm f/4 Professional Sextuplet APO Astro Camera Lens (ACL)

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1.80 kg
Aperture (mm) 60 Focal Length (mm) 330 Focal Ratio f/ 5.5 Optical Design ED Doublet Refractor
Mount Type Mount Movement
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including VAT 20.00 % ( £115.33 )

ASKAR ACL200 200mm f/4 Professional Sextuplet APO Astro Camera Lens (ACL)

A WORLD FIRST! Structure and appearance of a camera lens, but with a performance of a high quality APO telescope!

The ASKAR ACL200has been specifically designed for astrophotography, whilst it meats the requirements of landscape photography. A unique focusing solution, coarse and fine focusing rings with locking knobs provide the ultimate astro photo experience. 

A groundbraking product for full frame cameras that perfectly combines the usual features of a telescope and a telephoto camera lens.

When using it for deep-sky imaging, it will produce clear and sharp images with minimal amount of distortion and chromatic aberration, resulting in great astrophotos of highest quality. The built-in filter holder that accepts a 2" filter will help to achieve your goal: use a light pollution filter (like the Optolong L-Pro) or/and a H-alpha filter and combine them into a single image. Instead of a H-alpha filter you could also consider a dual or triple narrowband filter, like the ZWO 2" DB filter or Optolong 2" L-eNhance or 2" L-eXtreme.

Although not exactly lightweight, you can be assured that it is built to last and will serve you many years if handled with care.

Introductory promotion! 5% off!


  • Professional telescope APO lens for astrophotography
  • High quality optical design
  • Easy to use as a camera lens
  • Dual speed helical focusing for high precision focusing (fine focus provides micro adjustment - a 1mm movement in one rotation)
  • Lockable 360-degree rotation for perfect framing
  • 2" filter holder built-in (filter needs to be screwed in)
  • Arca-Swiss style connection plate with 3/8" and 1/4" female threads for mounting to a tripod
  • Manual aperture control between f/4 and f/22 for landscape photography
  • Shortest focusing distance: 3m (i.e. for imaging birds, etc.)


  • Focal Length: 200mm
  • Aperture: 50mm
  • Objective type: Sextuplet APO (six lenses in three groups)
  • Focal Ratio: f/4
  • Min aperture: f/22
  • Aperture blades: 10 pcs
  • Focus mode: manual
  • Type of focusing: coarse and micro motion
  • Micro Motion distance: 1mm
  • Closest focusing distance: appr. 3m
  • Front filter diameter: 82mm
  • Overall length: 195mm
  • Diameter: 100mm
  • Weight: 1800g
  • Back-end connection:
    • M42x0.75 male thread


  • ACL200 body
  • Lens shade
  • Arce-Swiss style dovetail bar (also compatible with Vixen-style clamps)
  • Instruction manual
  • 2" filter holder (assembled with the lens)
  • Quality control checklist
  • Soft padded case


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