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Altair Astro Ultraflat Eyepieces

Altair Astro Ultraflat Eyepieces
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Eyepiece Focal Length: 10mmEyepiece Focal Length: 15mmEyepiece Focal Length: 18mm
Eyepiece Focal Length: 24mmEyepiece Focal Length: 30mm
Price:  £65.00(Inc. 20% VAT)
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Eyepiece Focal Length:  



Product Code:  AAUF10
Manufacturer:  Altair Astro

Altair Astro


Altair Ultraflat eyepieces correct field curvature for flat, distortion-free images right up to the field edge, even in very fast focal ratio telescopes.

Stainless Steel barrel with safety kerfs and parallel sides help maintain collimation in fast focal ratio telescopes, binoviewers and giant binoculars.

Comfortable eye relief makes them suitable for spectacle wearers, with a foldable rubber eye-cup for comfort and elimination of external glare.

All lenses are broadband multi-coated with blackened edges to improve contrast. Optics are computer-optimised and surface polishing is computer controlled for improved sharpness and colour correction.

Features:

  • Fold-down eyecups & rubber grip
  • Optics Broadband Fully Multi-Coated FMC
  • Computer designed optics and baffling
  • Precision CNC machined Stainless Steel barrel with safety kerfs
  • Parallel barrel sides help maintain collimation in fast focal ratio telescopes, binoviewers and giant binoculars

10mm:

  • Focal Length 10mm
  • Apparent field of view 60° degrees
  • Barrel OD 1.25" with filter thread
  • Eye relief 16mm
  • Field stop dia. 14.7mm
  • 4 Element 5 group computer optimized design

15mm:

  • Focal Length 15mm
  • Apparent field of view 65° degrees
  • Barrel OD 1.25" with filter thread
  • Eye relief 16mm
  • Field stop dia. 19.6mm
  • 8 Element 5 group computer optimized design

18mm:

  • Focal Length 18mm
  • Apparent field of view 65° degrees
  • Barrel OD 1.25" with filter thread
  • Eye relief 20mm
  • Field stop dia. 23.4mm
  • 8 Element 5 group computer optimized design

24mm:

  • Focal Length 24mm
  • Apparent field of view 65° degrees
  • Barrel OD 1.25" with filter thread
  • Eye relief 29mm
  • Field stop dia. 30.2mm
  • 8 Element 5 group computer optimized design

30mm:

  • Focal Length 30mm
  • Apparent field of view 70° degrees
  • Barrel OD 2" with filter thread
  • Eye relief 22mm
  • Field stop dia. 30.4mm
  • 9 Element 5 group computer optimized design

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