Eyepieces

Polaris I, 25mm measuring & guiding illuminated eyepiece, batteries included With universal T-2 thread (thread adjustable) Supplied with Vario...

Focal Length Range: 8mm to 24mm Apparent Field of View: 40° to 60° Barrel Size: 1.25" (32mm) 6-Element, Fully Multi-Coated Optics Weight: 7.94 oz ...

Features Ideal for Accurate Polar Alignment Well suited for use with Off-Axis Guiders for centering and guiding of stars Adjustable red LED light b...

82° Apparent Field of View 10mm Focal Length for High-Magnification Views 7-Element Fully Multi-Coated Optics Parfocal with all Luminos Eyepieces ...

82° Apparent Field of View 15mm Focal Length 1.25" Barrel Size 17mm Eye Relief for Viewing Comfort Parfocal with all Luminos Eyepieces 7-Element F...

82° Apparent Field of View 19mm Focal Length in a 2" Barrel 6-Element Fully Multi-Coated Optics Generous 20mm Eye Relief Parfocal with all Luminos...

23mm Focal Length for Medium-Low Power Wide Views 82° Apparent Field of View 2" Barrel Diameter 20mm Eye Relief for Viewing Comfort 6-Element Opti...

82° Apparent Field of View 31mm Focal Length 2" Barrel Size 27mm Eye Relief Parfocal with other Luminos eyepieces Pop-up Adjustable Eyeguard De...

7mm Focal Length for High-Magnification Views Expansive 82° Apparent Field of View Fully Multi-Coated 8-Element Optics Parfocal with all Luminos E...

12mm Focal Length for Medium-High Magnification 4-Element Plössl Optical Design 50° Apparent Field of View Accepts Standard 1.25" Filters 8mm Eye ...

15mm Focal Length Plössl Eyepiece 50° Apparent Field of View 1.25" Barrel Diameter 4-Element, Multi-Coated Optics 13mm Eye Relief Standard 1.25" F...

32mm Plössl eyepiece provides maximum true field of view in a 1.25" barrel 4-element optical design with multi-coated surfaces for bright, clear i...

4mm Focal Length for High-Power Planetary Viewing 4-Element Plössl Optical Design 50° Apparent Field of View Multi-Coated Optics for High Contrast...

40mm Plössl eyepiece for low-power, wide-field views 4-element optical design with multi-coated lenses for clarity 40° apparent field of view Gene...

56mm focal length provides the lowest power for any given telescope 47° apparent field of view delivers expansive celestial vistas Utilizes a 46mm...

6mm Focal Length for High Magnification 4-Element Symmetrical Plössl Design 50° Apparent Field of View Multi-Coated Optics with Blackened Edges 1....

9mm Focal Length for High-Magnification Views 4-Element Plössl Optical Design 50° Apparent Field of View 1.25" Barrel with Filter Threads 6mm Eye ...

10mm Focal Length for High-Power Views 60° Apparent Field of View Flat-Field Optical Design for Edge-to-Edge Sharpness 16mm Eye Relief for Comfort...

65° Apparent Field of View 15mm Focal Length for higher-power magnification Flat-field design for sharp stars edge-to-edge 16mm eye relief for com...

18mm Focal Length 65° Apparent Field of View Flat-Field 8-Element Optical Design 20mm Long Eye Relief Parfocal with other Ultima Edge Eyepieces Ac...

24mm Focal Length in a 1.25" Barrel 65° Apparent Field of View Flat-Field 8-Element Optical Design 29mm of Eye Relief for Eyeglass Wearers Threade...

30mm focal length provides low-power, wide true-field views 70° apparent field of view frames large celestial objects Flat-field optical design en...

12mm Focal Length for Medium-High Magnification 60° Apparent Field of View Comfortable 16mm Eye Relief 6-Element Fully Multi-Coated Optics Parfoca...

18mm Focal Length 60° Apparent Field of View 6-Element Fully Multi-Coated Optics 16mm Eye Relief Parfocal with all X-Cel LX Eyepieces 1.25" Barrel...