Airy Disk - APO 204mm f/7 Triplet ED FK61 Apochromatic Refractor Optical Tube Assembly - NEAF 2024 DEMO

SKU
AIR-AP204-NEAF2024
Special Price $12,995.00 Regular Price $14,900.00
NEAF 2024 DEMO! INCLUDES 0.92 REDUCER
Availability : In Stock
Does Not Qualify for Free Shipping

NEAF 2024 Demo unit.  This telescope has only been used as a display.  Includes 0.92x reducer and all original accessories.  

The Airy Disk 204mm f/7 APO refractor is built on a triplet optical design using Hoya FCD-100 ED glass.  

The Airy-Disk APO Telescope offers an immersive viewing experience, free from chromatic aberrations, thanks to its advanced apochromatic lens system. Its exceptional Strehl ratio and precisely aligned lens elements ensure unparalleled optical performance, delivering stunning clarity and contrast for observing celestial phenomena.

Designed for versatility and precision, its robust construction and fine-tuning mechanisms make it a reliable choice for both amateur astronomers and astrophotographers seeking superior image quality and ease of use.

Airy Disk APO 204mm f/7 Triplet ED FK61 Apochromatic Refractor

The Airy Disk 204mm f/7 APO refractor stands as a testament to precision engineering, boasting a triplet optical design featuring Hoya FCD-100 ED glass. This design ensures that users experience an immersive viewing journey, completely devoid of chromatic aberrations, courtesy of its advanced apochromatic lens system. With an exceptional Strehl ratio and meticulously aligned lens elements, this telescope guarantees unmatched optical performance, presenting celestial wonders with breathtaking clarity and contrast.

Crafted with versatility and precision in mind, its sturdy build and finely tuned mechanisms establish it as a dependable companion for amateur astronomers and astrophotographers alike. This telescope not only delivers superior image quality but also offers intuitive usability, catering to enthusiasts seeking both excellence and convenience in their astronomical pursuits.

Airy Disk 204mm Triplet Refractor Features

  • Telescope Type: Apochromatic Refractor
  • Aperture Diameter: 204 mm
  • Focal Length: 1428 mm
  • Focal Ratio: f/7Lens Type: Multi-coated triplet lens with H-FK61 APO element
  • Focuser: 4" rack and pinion focuser
  • Focuser Compatibility: Compatible with EAF 80-mm-tube extension
  • Focuser Adapter: M102x1, M63x1 to 2" adapter included
  • Finder Attachment: Finder shoe for standard finder telescope
  • Mounting System: Losmandy style dovetail bar
  • Material: Aluminum alloy
  • Color: Black/White
  • Coating: Full surface broadband multilayer coating
  • Resolution: 0.57 arcseconds
  • Ultimate Magnitude: 13.3 mag
  • Length (fully extended): 1563 mm
  • Length (fully retracted): 1332 mm
  • Weight (including packaging): 50.7 lbs (23 kg)
  • Weight (with aluminum carry case): 99 lbs (45 kg)
  • Aluminum Carry Case Dimensions: 53" (135 cm) x 24.4" (62 cm) x 17.7" (45 cm)
  • Optional Accessories: CAA rotator, M202x1.5 for binoviewer, flexible back focus
More Information
Brand Airy Disk
Free Shipping Does Not Qualify for Free Shipping
Aperture 204mm
Case Included Yes
Focal Length 1428mm
Focal Ratio f/7
Focus Type 4" dual-speed 1:10 rack-and-pinion
Optical Tube Material Aluminum
Limiting Stellar Magnitude 13.3
Optical Coatings Multi-Coated
Optical Tube Length 1332-1563mm (retracted vs extended hood)
Optical Tube Weight Approx 51 lbs
In The Box
  • 204mm Airy Disk Refractor OTA
  • 4" Dual-Speed 1:10 Rack-and-Pinion Focuser
  • Tube Ring with Carry Handle
  • D Series Mount-Side Dovetail
  • M63x1 to 2" Adapter
  • 0.92x Reducer
  • Aluminum Carry Case
  • 204mm Airy Disk Refractor OTA
  • 4" Dual-Speed 1:10 Rack-and-Pinion Focuser
  • Tube Ring with Carry Handle
  • D Series Mount-Side Dovetail
  • M63x1 to 2" Adapter
  • 0.92x Reducer
  • Aluminum Carry Case
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