Alpine Astronomical Baader 72° Hyperion 36mm Aspheric Eyepiece (1.25"/2")

BH #ALHYP36 • MFR #HYP-36
Alpine Astronomical
Alpine Astronomical Baader 72° Hyperion 36mm Aspheric Eyepiece (1.25"/2")
Key Features
  • 36mm Focal Length
  • 72° Field of View
  • 6-Element/4-Group Aspheric Lens Design
  • 1.25"/2" Diameter Barrel
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With an exceptional field of view and long eye relief, the Alpine Astronomical Baader 72° Hyperion 36mm Aspheric Eyepiece produces relatively low magnifications on most telescopes, making it ideal for detailed lunar and planetary viewing or wide-field deep sky observations, plus astrophotography. Its 72° field of view offers a viewing angle that is wider than the human eye, but not so wide that contrast and image brightness are compromised.
In Stock
$219.00
Focal Length
31mm36mm
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Alpine Astronomical Hyperion Overview

With an exceptional field of view and long eye relief, the Alpine Astronomical Baader 72° Hyperion 36mm Aspheric Eyepiece produces relatively low magnifications on most telescopes, making it ideal for detailed lunar and planetary viewing or wide-field deep sky observations, plus astrophotography. Its 72° field of view offers a viewing angle that is wider than the human eye, but not so wide that contrast and image brightness are compromised.

The eyepiece lens is made with a unique 6-element/4-group aspheric configuration to virtually eliminate spherical aberration, astigmatism, "kidney beaning," and other optical distortions. Phantom Coating Group multi-coatings, blackened lens edges, and internal baffling deliver bright and high-contrast views that are free of scattered and diffracted light. It comes with two barrel sleeves that allow it to fit into 1.25" and 2" drawtubes and accessories. When using the 1.25" barrel, the field of view is reduced to 50 degrees. To limit distraction and improve brightness and contrast, a winged eyecup is included that can fold down for those who require eyeglasses during viewing. To perform all types of astrophotography, including afocal and projection, two sets of T-mount threads are provided—43mm and 54mm—that accept standard camera-specific T-rings to directly attach CCD imaging cameras or DSLRs.

Alpine Astronomical Hyperion Specs

Focal Length36mm
Apparent Field of View72° (with 2" Barrel)
50° (with 1.25" Barrel)
Eye Relief19.0 mm
Eyepiece Barrel Diameter1.25", 2"
Field Stop Diameter30 mm (with 1.25" Barrel)
45 mm (with 2" Barrel)
Dimensionsø: 2.3 x L: 3.3" / ø: 59.5 x L: 84.7 mm
Weight18.3 oz / 520 g
Packaging Info
Package Weight1.085 lb
Box Dimensions (LxWxH)7.5 x 2.8 x 2.8"
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