Discover the wonders of the night sky with Altair Ultraflat 30mm 70 Degree Eyepiece. Enhance your stargazing experience with crisp, wide-angle views. Perfect for astronomy enthusiasts and telescope lovers. Order yours now and reach for the stars!

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-optimized and surface polishing is computer controlled for improved sharpness and color correction.

Specifications

• Focal Length 30mm
• Apparent field of view 70° degrees
• Barrel OD 2" with filter thread
• Eye relief 22mm
• Field stop dia. 30.4mm
• Fold-down eyecups & rubber grip
• 9 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.