-
Pentax 3.5mm XW extra wide angle eyepiece
$299.00This very short focal length Pentax eyepiece has a wide 70° field of view combined with a long 20mm eye relief for eyeglass use . . . -
Pentax 20mm XW extra wide angle eyepiece
$299.00This medium focal length Pentax provides sharp and very wide field images for both terrestrial and astronomical observing . . . -
Pentax 10mm XW extra wide angle eyepiece
$299.00This short focal length Pentax is a high power eyepiece usable for both terrestrial and astronomical observing . . . -
Pentax 8-24mm SMC 1.25" long eye relief astronomical zoom; 21-63x or 26-78x spotting scope zoom
$359.00This is an ultra-premium six-element zoom eyepiece with surprisingly good eye relief for those who must wear eyeglasses while observing. Designed for use with Pentax spotting scopes, it can also be used for astronomical observing in any telescope accepting 1.25" accessories . . . -
Pentax 5mm XW extra wide angle eyepiece
$299.00This short focal length Pentax eyepiece has a very wide 70° field of view and very long 20mm eye relief, a uniquely useful combination not matched by other eyepieces . . . -
30mm XW extra wide angle 2" eyepiece
$369.00This medium focal length 2" Pentax eyepiece is an excellent choice for medium power deep space observing with long focal length refractors, reflectors, or catadioptric scopes that have a 2" focuser or star . . . -
Pentax 14mm XW extra wide angle eyepiece
$299.00This medium focal length Pentax is a dual-purpose eyepiece for both terrestrial and astronomical observing . . . -
Pentax 7mm XW extra wide angle eyepiece
$299.00This wide field Pentax eyepiece is designed for high power observing of objects on the ground by day and in the skies at night . . . -
40mm XW extra wide angle 2" eyepiece
$399.00This long focal length 2" Pentax eyepiece is outstanding for low power/wide field astronomical observing with long focal length refractors and catadioptric telescopes . . .
- Telescopes
- Shop by Category
-
By Manufacturer
- Astro-Tech
- Celestron
- Celestron Advanced VX
- Celestron AstroMaster
- Celestron CGEM DX
- Celestron CGEM II
- Celestron CGX
- Celestron CGX-L
- Celestron Cometron
- Celestron CPC
- Celestron EdgeHD Optical Tubes
- Celestron FirstScope
- Celestron LCM
- Celestron NexStar Evolution
- Celestron NexStar SE
- Celestron NexStar SLT
- Celestron Omni XLT
- Celestron Optical Tube Assemblies
- Celestron PowerSeeker
- Celestron RASA
- Celestron RASA Optical Tubes
- Celestron Refractor Optical Tubes
- Celestron SCT Optical Tubes
- Celestron SkyProdigy
- Celestron StarSense Explorer
- Celestron Travel Scope
- Meade LX600
- Explore Scientific
- iOptron
- Lunt Solar Systems
- Questar
- Sky-Watcher
- Takahashi
- TeleVue
- Unistellar
- ZWO
- By Aperture
- Eyepieces & Barlows
- Filters
- Mounts
-
Shop By Category
- Power Adapters And Cords
- Accessory Shelves
- Computers for Telescopes
- Optical Tube Rings
- Tube Rings
- Counterweights
- Declination Controls
- Dovetail Plates
- Drive Motors & Correctors
- Equatorial & Altazimuth Accessories & Adapters
- Equatorial Mounts
- Equatorial Wedges
- Rechargeable Portable Power Supplies
- Tripods
- Altazimuth Mounts
- Vibration Dampeners
- By Telescope Mounts
- By Telescope Mount Type
- By Manufacturer
-
Shop By Category
- CCD & Photographic
-
Shop By Category
- CCD Accessories
- Autoguiders
- CCD Cameras
- Camera Adapters
- Color Filter Wheels
- Coma Correctors
- T-Adapters
- Tele-Extenders
- T-Rings
- Field Flatteners
- Focal Reducer and Field Flattener Combos
- Focusing Aids
- Illuminated Reticle Eyepieces
- Off Axis Guiders
- Photoguide Rings
- Piggyback Camera Mounts
- Camera Tracking Platforms
- Extension Rings
- Photographic Guide Scopes
- By CCD Cameras
- By Manufacturer
-
Shop By Category
- Binoculars
- Spotting Scopes
- Shop By Category
-
By Manufacturer
- Celestron
- Celestron Luminos
- Celestron Omni Plössl
- Celestron X-Cel LX
- Celestron Zoom
- Celestron Advanced VX
- Celestron AstroMaster
- Celestron CGEM DX
- Celestron CGEM II
- Celestron CGX
- Celestron CGX-L
- Celestron Cometron
- Celestron CPC
- Celestron EdgeHD Optical Tubes
- Celestron FirstScope
- Celestron LCM
- Celestron NexStar Evolution
- Celestron NexStar SE
- Celestron NexStar SLT
- Celestron Omni XLT
- Celestron Optical Tube Assemblies
- Celestron PowerSeeker
- Celestron RASA
- Celestron RASA Optical Tubes
- Celestron Refractor Optical Tubes
- Celestron SCT Optical Tubes
- Celestron SkyProdigy
- Celestron StarSense Explorer
- Celestron Travel Scope
- Meade LX600
- Konus
- Pentax
- Questar
- Various Manufacturers
- Celestron
- By Spotting Scope Aperture
- By Spotting Scope Optical Design
- By Spotting Scope Body Style
- Telescope Accessories
- More
- On Sale
- Save On CPCs Through Dec. 31st.
- Celestron NexStar SE Winter Savings Event
- Sky-Watcher Reflectors, Maks, Refractrors oh my!
- Astronomics Used, Demo, Closeout, Spring Cleaning Page
- Various Closeouts Meade, Kendrick, Bob's Knobs, JMI and others
- ZWO Black Friday Sale 2023
- Astro-Tech AT60ED and AT72EDII Black Friday Sale
- Explore Scientific Impact Extravaganza Event
- Universal Astro Sale
- Sky-Watcher Dob Sale For The Holidays
- Various Used and Demo Scopes and Mounts
- Astro-Tech College Tuition Sale
- iOptron 20% Off Sale While Supplies Last
- Sky-Watcher Winter Mount Promotion
- Optolong Black Friday Sale
- Meteorites
- Others
- On Sale
-
Brands