ASKAR FMA180 180 mm f/4,5 APO tele-lens / guider / travel scope (SKU: FMA180)

The Askar FMA 180 is a highly versatile instrument that serves multiple purposes, functioning as an astrophotographic lens, guide scope, and telescope. Its optical system features an apochromatic triplet design with two glass elements that effectively reduce dispersion. Additionally, when combined with a three-element focal length reducer, it forms a high-power, flat-field refractor, making it an excellent tool for astrophotography with APS-C cameras.

With compatibility for Vixen and Arca-Swiss mounts, the Askar FMA 180 is incredibly adaptable. You can easily utilize it as a premium guide scope or transform it into a telescope for visual observations with the help of a 1.25" glasses adapter.

Key Features of the Askar FMA180 f/4.5 APO Lens:

• Apochromatic astrophotographic lens suitable for guide scope or direct visual observations
• Two ED glass lenses effectively reduce chromatic aberrations
• Universal fastening with an M42x0.75 thread
• Built-in adapter for mounting 2" filters on the front part of the lens

Technical Specifications:

• Optical design: Apochromatic fixed focal length lens
• Objective lens system: Triplet with air gap
• Number of focal length reducer lenses: Three
• Number of ED glass lenses: Two
• Coating type: Full multilayer coating (FMC)
• Focal length without reducer: 220mm
• Focal length with reducer: 180mm
• Front lens diameter: 40mm
• Aperture without reducer: f/5.5
• Aperture with reducer: f/4.5
• Additional filter mounting: Yes, 2" filter mounted on the front part with an M48x0.75 thread
• Focusing: Manual, focus ring with lock
• Back focus: 55mm
• Tripod mount: Yes, Arca-Swiss
• Optical tube mount: Vixen
• Camera/camcorder mount: M42x0.75 thread
• Eyepiece adapter: 1.25"
• Length (with reducer): 145mm
• Weight: 395g

Included Accessories:

• Askar FMA180 f/4.5 APO lens
• Focuser
• Focal reducer
• 1.25" adapter
• 2x intermediate ring with M42x0.75 thread
• Tripod adapter rings
• Allen key
• Documentation

Warranty:

The Askar FMA 180 comes with a 24-month warranty, ensuring your satisfaction and peace of mind.

With its remarkable versatility and impressive features, the Askar FMA 180 is a reliable companion for astrophotography, guiding, and visual observations. Explore the wonders of the night sky with this exceptional instrument.