40mm Telescope Eyepieces
5 resultsSave 5% Every Day† with the Adorama Edge Card. Learn More
Telescope Eyepieces
2.0mm (9)2.3mm (1)2.5mm (2)2.25mm (2)3.5mm (3)3.7mm (2)3mm (8)4.5mm (4)4.7mm (1)4mm (3)5.5mm (2)5mm (7)6.5mm (3)6mm (4)7mm (5)8.5mm (1)8mm (3)9mm (8)10mm (10)11mm (3)12.5mm (1)12mm (4)13mm (4)14mm (5)15mm (6)16.5mm (1)16mm (2)17.3mm (1)17.5mm (1)17mm (3)18.2mm (1)18mm (4)19mm (1)20mm (6)21mm (2)22mm (1)23mm (1)24mm (4)25mm (6)26mm (1)27mm (1)28mm (1)30mm (5)31mm (3)32mm (4)34mm (1)35mm (1)36mm (1)38mm (1)
Pentax XW40-R 40mm Wide Angle Astronomy Eyepiece with 70 Degree Field of View
SKU: PXEPXW40RMFR: 70538
(1)- 40mm eyepiece offers exceptional views.
- 70° field of view for expansive observation.
- 20mm eye relief ensures comfortable viewing.
- Multi-coated lens provides sharp images.
- Wide angle eyepiece enhances stargazing.
FREE 2-Day Shipping
Tele Vue 40mm Plossl 1.25" Eyepiece
SKU: TV40PMFR: EPL-40.0
(17)- 40mm Plossl Eyepiece: Wide, 43° field of view.
- Enjoy comfortable views with 28mm eye relief.
- Fully multi-coated optics for sharp images.
- 1.25" Telescope Eyepiece: Standard fit.
- Tele Vue eyepiece: Renowned optical quality.
FREE 2-Day Shipping
Explore Scientific 52 Degree Series 40mm Waterproof Eyepiece, 2" Barrel
SKU: ESEPWP524001MFR: EPWP5240-01
- 40mm eyepiece provides exceptional views.
- 2" barrel size ensures compatibility.
- Enjoy comfortable views with 27.1mm eye relief.
- Waterproof design for reliable astronomy use.
- 52° field of view offers immersive experience.
Special Order
?
Free Shipping
Explore Scientific 62 Degree 40mm Long Eye Argon-Purged Waterproof Eyepiece
SKU: ESEPW6240LE1MFR: EPWP6240LE-01
(1)- 40mm eyepiece offers exceptional field of view.
- Enjoy long eye relief for comfortable viewing sessions.
- Waterproof eyepiece ensures clear images in any weather.
- 2" barrel size provides stable telescope connection.
- Optimized optical coatings deliver sharp images.
Special Order
?
Free Shipping
Explore Scientific 68 Deg. 40mm Argon-Purged Waterproof Eyepiece, 2" Barrel
SKU: ESEPWP684001MFR: EPWP6840-01
(1)- 40mm eyepiece offers powerful magnification.
- Wide 68-degree field of view for immersive views.
- 31mm eye relief ensures comfortable observations.
- Waterproof eyepiece with argon-purged design.
- 2" barrel size fits standard telescope focusers.
Special Order
?
Free Shipping