Uncover Your Perfect Bag!From Lightweight Totes to Vivid Crossbodies,Shop Now!
Uncover Your Perfect Bag!From Lightweight Totes to Vivid Crossbodies,Shop Now! Uncover Your Perfect Bag!From Lightweight Totes to Vivid Crossbodies,Shop Now!
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Airy Disk APO 60mm f/5.5 ED Apochromatic Doublet Refractor

Airy Disk APO 60mm f/5.5 ED Apochromatic Doublet Refractor

$ 41.09

$ 53.42

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Product Details

Airy Disk makes ED and APO telescopes, lenses, spherical and aspherical
mirrors with diameters ranging from 45mm to 400mm.

Our production process is highly integrated.

From lens and optical system design, nearly all steps of the telescope
making process are now in-house:

  • Blank Preparation, Lens Grinding, Polishing and Centering
  • Coating
  • Quality Control
  • Lens mounting
  • Final assembly and inspection, collimation and interferometric testing
    Packaging

The glass used comes from CDGM and Hoya.

Lens mounts are made by the inhouse CNC department as are most of
the telescope components.

State of the art testing equipment, a huge collection of spherical
masters, Fizeau interferometer in red(632.8nm), TwymSan green in
green spectrum(532nm), artificial star and Ronchi.

This control over the whole manufacturing process combined with our
skills and experience results in outstanding optics.

Decades of specialized ED production using Ohara FPL53. Over the
years, the company has provided optical system design, production,
and OEM production for many well-known brands in China.

Specifications

Glass Used: HOYA, CDGM
Color: Black/White (Yellow/Gray Special Order)
Tube Material: Aluminum Alloy
Aperture: 60mm
Focal ratio: f/5.5
Focal length: 330mm
Weight: 1.75kg / 3.85lbs
Coating: Full wideband multilayer coating
Resolving Power: 1.93"
Limiting stellar magnitude: 11.4mag
Dovetail style: Vixen
Flattener Details: 1x reducer/field-flattener, CAA, M48-T2 connection
Focuser: 2" dual-speed 1:10 rack-and-pinion
Eyepiece Clamp: 2" with 1.25" Adapter
Suitable Photo sensor: APS-C
Length (hood extended): 276mm
Length (hood in): 237mm
Weight: 1.75kg, Package included 2.68kg
Carton size: 36cm*30cm*18cm

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