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Eyepieces & Barlows
What is an eyepiece: A telescope collects the light of faint and/or distant objects and forms a fixed-size image of those objects at the telescope’s prime focus. An eyepiece is simply a small microscope that enlarges a portion of that image so you can see more detail.
The importance of good eyepieces: Every photon of light collected by a telescope passes through an eyepiece before it reaches your eye. That light is therefore afflicted by every optical problem in that eyepiece – and the cheaper the eyepiece, the more problems it is likely to have. A $10 eyepiece will make a $2000 telescope perform like a $10 toy. If your telescope’s eyepieces are the simple two-element designs labeled H (Huygenian), R (Ramsden), or SR (symmetrical Ramsden), they are basically toy eyepieces and should be replaced.
Eyepieces are half of your scope’s optical system, and usually the most complex half. They should be at least the same quality as your scope (preferably better). A good telescope won’t improve a poor eyepiece – but a good eyepiece will get the most out of a so-so scope.
What eyepiece should I get first: When buying your first eyepieces, resist the urge to immediately buy the highest powers possible. Very high powers require experienced observers and excellent seeing conditions (dark, clear, steady skies) to get the most from them. Medium power eyepieces, on the other hand, give good images over a much wider range of seeing conditions.
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- Astro-Tech Paradigm Dual ED (7)
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Original price $0.00 - Original price $0.00Original price $0.00$399.95$399.95 - $399.95Current price $399.95| /
Celestron Kit of 2" Eyepieces and Visual Accessories 94305
Celestron5.0 star rating 2 ReviewsIn Stock5.0 / 5.0
2 Reviews
This kit consists of eleven Celestron 2" visual accessories that will get you started observing right with your new Celestron telescope - or any br...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$399.95$399.95 - $399.95Current price $399.95| / -
Original price $289.99 - Original price $289.99Original price$289.99$289.99 - $289.99Current price $289.99| /
Explore Scientific 40mm 62° 2" Waterproof Eyepiece
Explore Scientific5.0 star rating 2 ReviewsMore on the way5.0 / 5.0
2 Reviews
Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field multi-ele...
View full detailsOriginal price $289.99 - Original price $289.99Original price$289.99$289.99 - $289.99Current price $289.99| / -
Original price $519.99 - Original price $519.99Original price$519.99$519.99 - $519.99Current price $519.99| /
Explore Scientific 40mm 68° Field Argon-Purged Waterproof 2" Eyepiece
Explore Scientific5.0 star rating 4 ReviewsIn Stock5.0 / 5.0
4 Reviews
If you have room in your observing kit for only one long focal length wide angle eyepiece, this Explore Scientific 40mm argon-purged eyepiece may w...
View full detailsOriginal price $519.99 - Original price $519.99Original price$519.99$519.99 - $519.99Current price $519.99| / -
Original price $387.00 - Original price $387.00Original price$387.00$387.00 - $387.00Current price $387.00| /
TeleVue 3.5mm 1.25" 72° Field Delos Eyepiece
TeleVue5.0 star rating 1 ReviewMore on the way5.0 / 5.0
1 Review
The 3.5mm TeleVue Delos is designed to produce very high power/high contrast/high quality images with any telescope. It has a long 20mm eye relief ...
View full detailsOriginal price $387.00 - Original price $387.00Original price$387.00$387.00 - $387.00Current price $387.00| / -
Original price $129.95 - Original price $129.95Original price$129.95$129.95 - $129.95Current price $129.95| /
Celestron 7mm 1.25" 82º Luminos Eyepiece
Celestron5.0 star rating 4 ReviewsMore on the way5.0 / 5.0
4 Reviews
This sharp 7mm Celestron Luminos eyepiece has a wide and flat 82° field of view for "picture window" views, even at very high powers . This excepti...
View full detailsOriginal price $129.95 - Original price $129.95Original price$129.95$129.95 - $129.95Current price $129.95| / -
Original price $119.99 - Original price $119.99Original price$119.99$119.99 - $119.99Current price $119.99| /
Explore Scientific 6.5mm 52° Series Waterproof Eyepiece
Explore Scientific5.0 star rating 2 ReviewsMore on the way5.0 / 5.0
2 Reviews
Looking for something out of the ordinary for your next eyepiece? The Explore Scientific 52° series is a strong contender for necessary addition t...
View full detailsOriginal price $119.99 - Original price $119.99Original price$119.99$119.99 - $119.99Current price $119.99| / -
Original price $299.99 - Original price $299.99Original price$299.99$299.99 - $299.99Current price $299.99| /
Explore Scientific 2" 3x Focal Extender (Barlow)
Explore ScientificMore on the wayThe 2" 3x Explore Scientific premium Barlow (described by Explore Scientific as a focal extender, rather than a Barlow) uses an advanced four-eleme...
View full detailsOriginal price $299.99 - Original price $299.99Original price$299.99$299.99 - $299.99Current price $299.99| / -
Original price $149.99 - Original price $149.99Original price$149.99$149.99 - $149.99Current price $149.99| /
Explore Scientific 5.5mm 62° 1.25" Waterproof Eyepiece
Explore Scientific5.0 star rating 1 ReviewIn Stock5.0 / 5.0
1 Review
The Explore Scientific 62° Series eyepieces are excellent flat-field multi-element oculars that can transform your visual astronomy experience. Wi...
View full detailsOriginal price $149.99 - Original price $149.99Original price$149.99$149.99 - $149.99Current price $149.99| / -
Original price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95| /
Celestron Omni 4mm 1.25" Plossl Eyepiece 93316
Celestron4.5 star rating 2 ReviewsMore on the way4.5 / 5.0
2 Reviews
This fully-multicoated eyepiece is one of the shortest focal length and most economically-priced Plössl eyepieces available. It's designed for very...
View full detailsOriginal price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95| / -
Original price $49.95 - Original price $49.95Original price$49.95$49.95 - $49.95Current price $49.95| /
Celestron Omni 40mm 1.25" Plossl Eyepiece
Celestron4.5 star rating 2 ReviewsIn Stock4.5 / 5.0
2 Reviews
This is an economical good quality low power eyepiece with fully-multicoated optics. With a 43 degree field of view it has the widest field possibl...
View full detailsOriginal price $49.95 - Original price $49.95Original price$49.95$49.95 - $49.95Current price $49.95| / -
Original price $68.00 - Original price $68.00Original price$68.00$68.00 - $68.00Current price $68.00| /
TeleVue High Hat Adapter to Use 1.25" Eyepieces in 2" Focusers, Matte Satin Finish
TeleVueIn StockThis high hat step-down adapter allows the use of 1.25" eyepieces in 2" focuser drawtubes and 2" star diagonals. The body of the adapter has a non-...
View full detailsOriginal price $68.00 - Original price $68.00Original price$68.00$68.00 - $68.00Current price $68.00| / -
Original price $89.99 - Original price $89.99Original price$89.99$89.99 - $89.99Current price $89.99| /
Explore Scientific 3mm 52° Series Waterproof Eyepiece
Explore Scientific5.0 star rating 1 ReviewMore on the way5.0 / 5.0
1 Review
Looking for something out of the ordinary for your next eyepiece? The Explore Scientific 52° series is a strong contender for necessary addition t...
View full detailsOriginal price $89.99 - Original price $89.99Original price$89.99$89.99 - $89.99Current price $89.99| / -
Original price $149.99 - Original price $149.99Original price$149.99$149.99 - $149.99Current price $149.99| /
Explore Scientific 62° 20mm 1.25" Waterproof Eyepiece
Explore Scientific5.0 star rating 2 ReviewsIn Stock5.0 / 5.0
2 Reviews
Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore ...
View full detailsOriginal price $149.99 - Original price $149.99Original price$149.99$149.99 - $149.99Current price $149.99| / -
Original price $179.99 - Original price $179.99Original price$179.99$179.99 - $179.99Current price $179.99| /
Explore Scientific 26mm 62° 1.25" Waterproof Eyepiece
Explore Scientific4.3 star rating 3 ReviewsMore on the way4.3 / 5.0
3 Reviews
Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field multi-elem...
View full detailsOriginal price $179.99 - Original price $179.99Original price$179.99$179.99 - $179.99Current price $179.99| / -
Original price $579.99 - Original price $579.99Original price$579.99$579.99 - $579.99Current price $579.99| /
Explore Scientific 9mm 100° Field Argon-Purged Waterproof 2" Eyepiece
Explore Scientific5.0 star rating 10 ReviewsIn Stock5.0 / 5.0
10 Reviews
The Explore Scientific 9mm argon-purged waterproof 2" eyepiece combines a high power capability with a 100° apparent field to provide a jaw-droppin...
View full detailsOriginal price $579.99 - Original price $579.99Original price$579.99$579.99 - $579.99Current price $579.99| / -
Original price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95| /
Celestron Omni 15mm 1.25" Plossl Eyepiece 93320
CelestronMore on the wayThis is a good quality medium power fully-multicoated eyepiece at a very economical price for the astronomer on a budget. It's designed for lunar ...
View full detailsOriginal price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95| / -
Original price $269.99 - Original price $269.99Original price$269.99$269.99 - $269.99Current price $269.99| /
Explore Scientific 6.5mm 82 Degree 1.25" LER Waterproof Eyepiece
Explore ScientificIn StockExplore Scientific has improved their already impressive 82 Degree line with this addition of a 6.5mm Long Eye Relief 1.25" waterproof eyepiece. Wi...
View full detailsOriginal price $269.99 - Original price $269.99Original price$269.99$269.99 - $269.99Current price $269.99| / -
Original price $119.99 - Original price $119.99Original price$119.99$119.99 - $119.99Current price $119.99| /
Explore Scientific 15mm 52° Series Waterproof Eyepiece
Explore ScientificIn StockLooking for something out of the ordinary for your next eyepiece? The Explore Scientific 52° series is a strong contender for necessary addition t...
View full detailsOriginal price $119.99 - Original price $119.99Original price$119.99$119.99 - $119.99Current price $119.99| / -
Original price $119.99 - Original price $119.99Original price$119.99$119.99 - $119.99Current price $119.99| /
Explore Scientific 10mm 52° Series Waterproof Eyepiece
Explore Scientific5.0 star rating 1 ReviewMore on the way5.0 / 5.0
1 Review
Looking for something out of the ordinary for your next eyepiece? The Explore Scientific 52° series is a strong contender for necessary addition t...
View full detailsOriginal price $119.99 - Original price $119.99Original price$119.99$119.99 - $119.99Current price $119.99| / -
Original price $99.95 - Original price $99.95Original price$99.95$99.95 - $99.95Current price $99.95| /
Celestron 2.3mm X-Cel LX Series 1.25" Eyepiece
Celestron4.0 star rating 1 ReviewIn Stock4.0 / 5.0
1 Review
This very short focal length Celestron X-Cel LX 2.3mm eyepiece uses a new six-element fully-multicoated optical system to provide a wide 60° field ...
View full detailsOriginal price $99.95 - Original price $99.95Original price$99.95$99.95 - $99.95Current price $99.95| / -
Original price $199.99 - Original price $199.99Original price$199.99$199.99 - $199.99Current price $199.99| /
Explore Scientific 5X Barlow for 1.25" eyepieces
Explore ScientificIn StockFor high power with a short focal length refractor or reflector, this Explore Scientific four-element 5x image amplifier (Barlow lens) is hard to b...
View full detailsOriginal price $199.99 - Original price $199.99Original price$199.99$199.99 - $199.99Current price $199.99| / -
Original price $299.00 - Original price $299.00Original price$299.00$299.00 - $299.00Current price $299.00| /
Pentax 14mm XW Extra Wide Angle Eyepiece
Pentax4.5 star rating 2 ReviewsIn Stock4.5 / 5.0
2 Reviews
This medium focal length Pentax is a dual-purpose eyepiece for both terrestrial and astronomical observing. Terrestrially, it is an excellent moder...
View full detailsOriginal price $299.00 - Original price $299.00Original price$299.00$299.00 - $299.00Current price $299.00| / -
Original price $179.99 - Original price $179.99Original price$179.99$179.99 - $179.99Current price $179.99| /
Explore Scientific 40mm 52° Series Waterproof Eyepiece
Explore ScientificIn StockLooking for something out of the ordinary for your next eyepiece? The Explore Scientific 52° series is a strong contender for necessary addition t...
View full detailsOriginal price $179.99 - Original price $179.99Original price$179.99$179.99 - $179.99Current price $179.99| / -
Original price $229.99 - Original price $229.99Original price$229.99$229.99 - $229.99Current price $229.99| /
Explore Scientific 32mm 62° 2" Waterproof Eyepiece
Explore Scientific4.0 star rating 1 ReviewIn Stock4.0 / 5.0
1 Review
Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field multi-elem...
View full detailsOriginal price $229.99 - Original price $229.99Original price$229.99$229.99 - $229.99Current price $229.99| /