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Eyepieces
The specifications of a telescope are NOT the only specs that matter. The other half of the equation is the specifications of the eyepiece. Telescope eyepieces are made in different models and sizes to accommodate different observing methods and celestial objects. For example, understanding the focal length of your optical tube divided by the focal length of your eyepiece will result in magnification, which in return can tell you whether it is more suitable for deep space low surface brightness observation or planetary/terrestrial high surface brightness observation. For example, if you wanted to observe an object such as the Andromeda Galaxy with a large apparent diameter, an eyepiece with a long focal length and large apparent field of view would excel over an eyepiece with a shorter focal length and small apparent field of view because it would be able to accommodate the size of the object at low magnification and high FOV while not getting dimmer images as you would with short focal lengths. If you plan on observing planets, a short focal length eyepiece with a small FOV will result in high magnification to observe details on the surface (eg. Great Red Spot). You'll get a dimmer image, but since planets are already bright as it is, this won't be an issue. - Note: Almost all eyepieces come in 2" or 1.25" barrel size forms.
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Explore Scientific - 14mm 100° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D.
The Explore Scientific 14mm 100 degree Eyepiece has been getting lots of thumbs up from seasoned amateur astronomers and now you can have one of your very own for a great price! The eyepiece is waterproof and nitrogen-purged, and it comes with a replaceable soft, folding eyecup.
... Learn MoreFREE SHIPPINGModel#: EP10014-00(48 States)
Regular Price: $499.99
Special Price: $299.99
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Explore Scientific - 20mm 100° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D.
20mm 100° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D. ... Learn More
FREE SHIPPINGModel#: EP10020-00(48 States)
Regular Price: $499.99
Special Price: $299.99
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Explore Scientific - 9mm 100° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D.
9mm 100° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D. ... Learn More
FREE SHIPPINGModel#: EP1009-01(48 States)
Regular Price: $529.99
Special Price: $249.99
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Explore Scientific - 100° Series 9mm and 14mm Nitrogen Purged Waterproof Eyepieces
Specifications Focal Length: 9mm and 14mm AFOV: 100 degrees Nitrogen-Purged and Waterproof: Internally sealed and purged with inert, dry nitrogen gas to prevent internal fogging, to halt the intrusion of fine particulates and fungus, and to ... Learn More
FREE SHIPPINGModel#: EPWP1009-00_EPWP10014-00(48 States)
Regular Price: $948.95
Special Price: $635.00
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Explore Scientific - 100° Series 9mm and 20mm Nitrogen Purged Waterproof Eyepieces
Nitrogen-Purged and Waterproof: Internally sealed and purged with inert, dry nitrogen gas to prevent internal fogging, to halt the intrusion of fine particulates and fungus, and to maximize the li
... Learn MoreFREE SHIPPINGModel#: EP1009-00_EP10020-00(48 States)
Regular Price: $1,049.95
Special Price: $535.00
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Explore Scientific - 100° Series 9mm, 14mm and 20mm Nitrogen Purged Waterproof Eyepieces
All 100° Series eyepieces are fully multi-coated and edge-blackened to produce maximum contrast.
... Learn MoreFREE SHIPPINGModel#: EP1009-00_EP10014-00_EP10020-00(48 States)
Regular Price: $1,599.95
Special Price: $835.00
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Explore Scientific - 100° Series 9mm, 14mm, 20mm, and 25mm Nitrogen Purged Waterproof Eyepieces
This eyepiece set from Explore Scientific includes the 9mm,14mm, 20mm, and 25mm Waterproof Eyepieces of 100°.
... Learn MoreFREE SHIPPINGModel#: EP100_9_14_20_25(48 States)
Regular Price: $2,949.95
Special Price: $1,399.95
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Explore Scientific - 100° Waterproof Eyepieces (9mm, 14mm, 20mm, 25mm)
These 100° series eyepieces from explore scientific come in 9mm, 14mm, 20mm, and 25mm focal lengths in a 2" eyepiece barrel size. Explore Scientific designes these eyepieces with refractive glass and are nitrogen purged and inspected multipe times prior to shipment to ensure these eyepieces are sufficient.
... Learn MoreModel#: 100 Degree Series Eyepieces
Starting at: $299.99
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Explore Scientific - 14mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 1.25-inch O.D.
14mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D. ... Learn More
Model#: EPWP8214-00
Regular Price: $169.99
Special Price: $99.99
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Explore Scientific - 24mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D.
24mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D. ... Learn More
Model#: EPWP8224-00
Regular Price: $339.99
Special Price: $199.99
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Explore Scientific - 25mm 100° Series Argon-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D.
... Learn More
FREE SHIPPINGModel#: EP10025-01(48 States)
Regular Price: $999.99
Special Price: $599.99
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Explore Scientific - 28mm 68° Series Argon-Purged Waterproof Eyepiece; EMD Coatings; 2-inch O.D.
28mm 68° Series Argon-Purged Waterproof Eyepiece; EMD Coatings; 2-inch O.D. ... Learn More
Model#: EPWP6828-01
Regular Price: $249.99
Special Price: $149.99
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Explore Scientific - 30mm 100° Series Argon-Purged Waterproof Eyepiece; EMD Coatings; 3-inch O.D
Expected to be available by summer of 2013. Pre-order now!
Explore Scientific has also designed a 3" Diagonal to go with this eyepiece. Purchased seperately.
... Learn MoreFREE SHIPPINGModel#: EP10030-01(48 States)
Regular Price: $1,999.99
Special Price: $1,199.99
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Explore Scientific - 30mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D.
30mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 2-inch O.D. ... Learn More
FREE SHIPPINGModel#: EPWP8230-00(48 States)
Regular Price: $419.99
Special Price: $249.99
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Explore Scientific - 34mm 68° Series Argon-Purged Waterproof Eyepiece; EMD Coatings; 2-inch O.D.
34mm 68° Series Argon-Purged Waterproof Eyepiece; EMD Coatings; 2-inch O.D. ... Learn More
Model#: EPWP6834-01
Regular Price: $339.99
Special Price: $199.99
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Explore Scientific - 40mm 68° Series Argon-Purged Waterproof Eyepiece; EMD Coatings; 2-inch O.D.
40mm 68° Series Argon-Purged Waterproof Eyepiece; EMD Coatings; 2-inch O.D. ... Learn More
FREE SHIPPINGModel#: EPWP6840-01(48 States)
Regular Price: $419.99
Special Price: $249.99
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Explore Scientific - 68° Argon-Purged Waterproof Eyepieces - sizes: 16mm, 20mm, 24mm, 28mm, 34mm, 40mm
... Learn More
Model#: Explore Scientific 68 Eyepieces
Starting at: $99.99
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Explore Scientific - 68° Series 20mm Waterproof Eyepiece - 1.25"
20mm 68° Series Argon-Purged Waterproof Eyepiece; EMD Coatings; 1.25-inch O.D. ... Learn More
Model#: EPWP6820-01
Regular Price: $169.00
Special Price: $99.99
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Explore Scientific - 68° Series 24mm Waterproof Eyepiece - 1.25"
24mm 68° Series Argon-Purged Waterproof Eyepiece; EMD Coatings; 1.25-inch O.D. ... Learn More
Model#: EPWP6824-01
Regular Price: $199.99
Special Price: $119.99
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Explore Scientific - 68° Series Argon-Purged 16mm Waterproof Eyepiece - 1.25"
16mm 68° Series Argon-Purged Waterproof Eyepiece; EMD Coatings; 1.25-inch O.D.
... Learn MoreModel#: EPWP6816-01
Regular Price: $169.99
Special Price: $99.99
