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Image of 12.5mm Orion Sirius Plossl Telescope Eyepiece
 

12.5mm Orion Sirius Plossl Telescope Eyepiece

With a wide 50-degree apparent field, our Sirius Plossl line of eyepieces provide clear, sharp images of impressively high contrast. They're suitable all telescope types: reflector, refractor, and catadioptric. Each 4-element Sirius Plossl is multi-coated...



 
Image of 12mm Orion EF Widefield 1.25" Eyepiece
 

12mm Orion EF Widefield 1.25" Eyepiece

If you're ready to swap out your standard Plossl eyepieces for oculars that will take your observing game to the next level, try the Orion EF Widefield 1.25" Eyepieces. The "EF" stands for Extra Flat, which means that our EF Widefield Eyepieces are designed...



 
Image of 12mm Tele Vue Delos Telescope Eyepiece
 

12mm Tele Vue Delos Telescope Eyepiece

This 12mm Delos telescope eyepiece by Tele Vue offers a wide, 72-deg field of view while providing medium to moderate magnification. The TeleVue Delos eyepiece design was conceived as a narrower field alternative to Ethos eyepieces. Reducing the field...



 
Image of 138-173mm ID Orion PinPoint Telescope Focusing Mask
 

138-173mm ID Orion PinPoint Telescope Focusing Mask

When placed over the front of a telescope, handy Orion PinPoint Telescope Focusing Masks make it easy to achieve quick and precise focusing without guesswork. Also known as Bahtinov masks, these focus aids feature a laser-cut slot pattern that produces...



 
Image of 13mm Orion Stratus Wide-Field Eyepiece
 

13mm Orion Stratus Wide-Field Eyepiece

Enjoy a wide-field window into the heavens served up by Stratus eyepieces. With an apparent field of 68-degrees -- which translates to a 71% greater viewing area than that of a typical Plossl -- Stratus eyepieces quite literally put more stars in your...



 
Image of 13mm Tele Vue DeLite Telescope Eyepiece
 

13mm Tele Vue DeLite Telescope Eyepiece

Just as Delos eyepieces were developed based on Tele Vue's Ethos eyepiece design advancements, DeLite is the logical step toward a smaller, more economical and lightweight version of Delos eyepieces. The 62-degree apparent field DeLite eyepieces retain...



 
Image of 13mm Tele Vue Ethos Telescope Eyepiece
 

13mm Tele Vue Ethos Telescope Eyepiece

Ethos' unprecedented 100-degree apparent field-of-view takes the spacewalk experience to the next level. Following Tele Vue's philosophy of pushing the state of the art, long-time Tele Vue employee and optical design protege Paul Dellechiaie took up the...



 
Image of 13mm Type 6 Tele Vue Nagler Telescope Eyepiece
 

13mm Type 6 Tele Vue Nagler Telescope Eyepiece

Compare a penny to a half dollar to see the relative size between a 50 degree and 82 degree apparent field - almost 3 times the area difference! And while others boast of impressive apparent field sizes, Tele Vue's philosophy of showing no field unless...



 
Image of 13" Orion Dovetail Mounting Plate
 

13" Orion Dovetail Mounting Plate

Dovetail mounting plates provide a platform for coupling telescope optical tubes to Orion AstroView, SkyView Pro, Sirius and Atlas equatorial mounts. Tube rings (sold separately) bolt on to the dovetail plate, which then fits into the dovetail slot on...



 
Image of 14.21" ID Orion Off-Axis Solar Filter
 

14.21" ID Orion Off-Axis Solar Filter

Designed to fit snugly over the aperture of your telescope, these optical glass filters block 99.999% of incoming sunlight, allowing you to safely observe sunspots and solar granulation in the Sun's photosphere. The Sun appears in a natural, whitish color....