William Optics Flattener 6AIII (P-FLAT6AIII)
zoom_out_map
chevron_left chevron_right

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.

William Optics Flattener 6AIII (P-FLAT6AIII)

The William Optics Flat 6A III Flattener is an essential accessory for astrophotographers seeking flawless image quality. This versatile flattener eliminates distortions and ensures sharpness from center to edge, maintaining the integrity and "flatness" of captured images. Perfect for enhancing the performance of your refractor, it guarantees consistent clarity across the entire frame. Upgrade your astrophotography setup with this high-quality optical accessory.
465.67 $
Tax included

378.59 $ net price (non-EU countries)

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

Description

William Optics Flat 6A III Field Flattener and Focal Reducer

The William Optics Flat 6A III Field Flattener is an essential accessory for astrophotographers seeking to achieve unmatched image quality. Designed to eliminate distortions inherent in refractor optical systems, this flattener ensures sharpness and clarity from the center to the edge of your frame, preserving the integrity of your celestial captures.

Features

  • Focal Length Reduction: Shortens the focal length by 0.8x, enhancing the field of view.
  • Wide Compatibility: Provides a 44 mm illumination circle, perfect for full-frame DSLRs and mirrorless cameras.
  • Easy Camera Integration: Compatible with M48x0.75 ring adapters for M4/3, Sony α, Nikon, Pentax, Canon, and Fuji systems.

Compatibility

This flattener is compatible with several William Optics telescopes:

  • GT 71
  • GT 81
  • ZenithStar 81
  • ZenithStar 103

Correction Distances

For specific telescope models, the correction distances are:

  • GT 71: 9.1 mm
  • GT 81: 7.1 mm
  • ZenithStar 81: 5.2 mm
  • ZenithStar 103: 2.5 mm

Back Focus Distances

The back focus distances for optimal performance:

  • GT 71: 64.1 mm
  • GT 81: 62.1 mm
  • ZenithStar 81: 60.2 mm
  • ZenithStar 103: 57.5 mm

Full Illumination Circle Diameter

  • GT 71: 44.4 mm
  • GT 81: 44.4 mm
  • ZenithStar 81: 44.3 mm
  • ZenithStar 103: 43.1 mm

Technical Specifications

  • Focal Length Reduction: 0.8x
  • Telescope Mount Thread: M63
  • Camera Mount Thread: M48
  • Filter Mounting: Compatible with M48 thread filters

What's Included

  • William Optics Flat 6A III Flattener

Enjoy peace of mind with a comprehensive 24-month warranty.

This description is formatted for easy reading and highlights key features and specifications, making it user-friendly for potential buyers.

Data sheet

CKAJPL7KXL

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.