Orion 12.5mm Edge-On Flat Field Planetary Eyepiece - 1.25"
Orion Edge-On Flat Field 12.5mm Eyepiece
You'll be as amazed by the value as you are by the views. Their 5- or 6-element optical design eliminates field curvature for distortion-free images. And Edge-Ons are parfocal, so you can change eyepieces without refocusing. With their big eye lenses, fully multi-coated lens elements, long eye relief, generous fields of view, twist-up eyeguards, and 1.25" barrels threaded for filters, Edge-On eyepieces have the features and quality you'll appreciate. Get the eyepieces with a flat-field edge ƒ??????????? Orion Edge-Ons!
Orion Edge-On Flat Field Eyepiece Features...
- Orion Edge-On Flat Field Eyepieces offer premium performance at an amazing price!
- The proprietary flat-field design means you'll experience sharp focus from the very edge to the center of the viewing field.
- The Orion Edge-On Flat Field Eyepiece features multi-coated optics, all-black anodizing, twist-up eye guards, and a parfocal design.
- The large eye lens and long eye relief of 20mm means comfortable viewing, even for long observing sessions and for folks who wear glasses.
Questions & AnswersAsk a Question
I have a f/5 dobsonian and I have to be really careful with descriptions provided because they are probably written for long focal scopes . Very seldomly, do they claim to work as well for short fast focal lengths..
As an owner of a 12" f/5 dob myself, I agree. f/5 or faster light cones separate the well-corrected widefield eyepieces from those that can't handle coma. A coma corrector is always the best option long term, as this allows nearly any eyepiece to be us