Baader Planetarium Hyperion-Aspheric Eyepiece
Top Pick
Baader Planetarium

Baader Planetarium Hyperion-Aspheric Eyepiece

4.6

Best wide field eyepiece for deep sky observation enthusiasts.

This eyepiece manages to deliver a sprawling, distortion-free view without the bulk of traditional wide-field designs. By prioritizing aspheric optics, it keeps the glass lightweight while remaining versatile enough to switch between visual observing and camera projection. It is the rare accessory that feels just as comfortable for eyeglass wearers as it does for serious astrophotographers.

$306.00

In stock

at

Agena AstroProducts

Connection Interface 1.25 inch, 2 inch
1.25 inch
1.25 inch, 2 inch
Accessory Type Eyepiece
Barlow Lens
Eyepiece
Barrel Diameter Inches 2

Who it's for

  • Deep-sky observers seeking breathtaking wide-angle views of star clusters
  • Astrophotographers needing a seamless connection between eyepiece and camera
  • Spectacle wearers requiring a comfortable and full field of view

Who should skip it

  • Owners of fast Newtonian reflectors prioritizing edge-to-edge perfection
  • Minimalist travelers or users with lightweight, portable telescope setups
  • Lunar and planetary specialists demanding absolute contrast and zero glare

Performance breakdown

Optical Clarity

Phantom Group coatings deliver exceptional contrast and sharp, distortion-free views.

Excellent

Versatility

Dual-barrel design seamlessly adapts to both 1.25-inch and 2-inch focusers.

Excellent

Viewing Comfort

Generous eye relief makes long observation sessions easy for eyeglass wearers.

Excellent

Imaging Capability

Direct camera threading simplifies projection imaging for astrophotography enthusiasts.

Excellent

Field of View

Wide 72-degree field provides immersive, expansive vistas of the night sky.

Excellent

Build Efficiency

Aspheric elements keep the weight low without sacrificing optical performance.

Excellent

Key Specs

Focal Length

36mm

Apparent Field of View

72 degrees (2 inch mode) or 58 degrees (1.25 inch mode)

Barrel Size

1.25 inches and 2 inches

Eye Relief

19mm

Lens Elements

6

Lens Groups

4

Weight

13.8 oz (390 g)

Maximum Width

59.5mm

Field Stop Diameter

32mm

Coatings

Phantom Group Multi-Coated

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Baader Planetarium Hyperion-Aspheric Eyepiece

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