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Ultimate Altair Ultraflat 15mm 65° Eyepiece Flash Sale: 85% Off [TsZc81iv]
$28.99
$92.99
-69%
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 fo
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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.
- Focal Length 15mm
- Apparent field of view 65° degrees
- Barrel OD 1.25" with filter thread
- Eye relief 16mm
- Field stop dia. 19.6mm
- Fold-down eyecups & rubber grip
- 8 Element 5 group computer optimized design
- 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
Divide the telescope focal length in millimetres by the eyepiece focal length in millimetres to get the magnification.
What Our Customers Say
Absolutely no complaints!
I'm happy with my purchase.
- Lakisha H..
Absolutely no complaints!
Works as advertised, maybe better.
- Orlando S..
Absolutely no complaints!
Very practical and durable.
- Adeline P..
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