ASKAR FMA135 fi 30 mm / 135 mm f/4,5 APO astrograph / telephoto lens / guider / travel scope (SKU: FMA135)
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Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.

ASKAR FMA135 fi 30 mm / 135 mm f/4,5 APO astrograph / telephoto lens / guider / travel scope (SKU: FMA135)

Discover the Askar FMA135, a versatile astrograph and telephoto lens perfect for astrophotography enthusiasts. With a 135mm focal length and an advanced apochromatic triplet design featuring an ED glass element, this lens delivers exceptional image clarity and a flat field. Its three-element flattener ensures superior light transmission, making it ideal for both standard and full-frame cameras. Beyond its astrophotography capabilities, the FMA135 serves as an excellent telephoto lens and guide scope for travel. Compact yet powerful, this lens (SKU: FMA135) is a must-have for capturing stunning celestial and terrestrial images.
280.77 £
Tax included

228.27 £ net price (non-EU countries)

Anatolii Livashevskyi
Product Manager
Українська / Polski
+48721808900
+48721808900
Telegram +48721808900
[email protected]

Description

Askar FMA135 f/4.5 APO Astrograph: Multifunctional Lens for Astrophotography and Beyond

The Askar FMA135 is a premium-quality astrograph that rivals the performance of the renowned Askar FMA180. With a focal length of 135 mm, this versatile instrument is ideal for a range of applications including astrophotography, visual observation, and guiding.

This refractor features an advanced optical system, incorporating an apochromatic triplet with a single element made from extra-low dispersion (ED) glass. Paired with a three-element flattener, it provides outstanding light transmission and a flat field, making it perfect for use with both full-frame and standard cameras.

Thanks to its Vixen foot, the Askar FMA135 easily adapts for use as a high-quality guider or visual telescope when paired with a 1.25" eyepiece adapter.

Key Features of the Askar FMA135 f/4.5 APO Lens:

  • A versatile apochromatic lens ideal for astrophotography, guiding, and visual observations.
  • ED glass lens significantly reduces chromatic aberrations for clearer images.
  • Compatible with a wide range of mounts thanks to the M42x0.75 thread.
  • Includes a built-in adapter for 1.25" filters, enhancing convenience and versatility.

Technical Specifications:

  • Optical Design: Apochromatic fixed focal length lens.
  • Objective Lens System: Triplet with an air gap.
  • Flattener Lenses: Three.
  • Flattener Times/Scale: 1:1.
  • ED Glass Lenses: One.
  • Coating Type: Full multilayer coating (FMC).
  • Front Lens Diameter (Aperture): 30 mm.
  • Focal Length: 135 mm (with or without reducer).
  • Aperture Ratio: f/4.5 (with or without reducer).
  • Additional Filter Mounting: Yes, 1.25" filter on the front part.
  • Focusing: Manual.
  • Back Focus: 55 mm.
  • Optical Tube Mount: Vixen.
  • Camera/Camcorder Mount: M42x0.75 thread.
  • Eyepiece Adapter: 1.25".
  • Length (with flattener): 113 mm.
  • Diameter: 40 mm.
  • Weight: 240 g.

Included Components:

  • Askar FMA135 f/4.5 APO lens.
  • 1.25" eyepiece adapter.
  • Fixing screws (5 pieces).
  • Fastening ring.
  • Documentation.

Warranty:

Enjoy peace of mind with a 24-month warranty accompanying the Askar FMA135.

Data sheet

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Official permits of the Ministry of Development and Technology

Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.