SWAN 40mm 2" Eyepiece
SWAN: a huge-lens rich-field eyepiece at a very reasonable price!
Fully multicoated advanced design for breathtaking and jaw-dropping 72 deg. F.O.V. views.
Try it out on the Milky Way!
A True Spacewalker!
• Marvelous super-wide field of view: 72 deg. F.O.V.
• Fully Multicoated lenses for excellent transmittance.
• Outstanding chromatic aberration correction.
• Sharp and well contrasted.
Great Contrast
• Internally fully blackened (lens edges and internal spacers).
• No flaring or ghosting on high-contrast objects.
• Parfocal.
Ease of Use
• Soft rubber eyecup.
• Extremely long eye-relief: 28 mm.
• No internal reflections.
Terrific Fit and Finish
• High-resistance anodized black barrel.
• Smooth design for no hook up in your focuser.
• Threaded for 2” filters.
- Focal Length
- 40mm
- Barrel Size
- 2" (50.8mm)
- Field of View
- 72°
- Eye Relief
- 28mm
- Filter Threads
- Standard 2" Filter Thread (M48 x 0.75)
- Coatings
- Fully Multi-Coated
- Lens Type
- 5 Elements / 3 Groups
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