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  1. Eyepieces by Field of View (87)
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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.

 


Telescope Focal Length

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  1. Explore Scientific - 68° Argon-Purged Waterproof Eyepieces - sizes: 16mm, 20mm, 24mm, 28mm, 34mm, 40mm

    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

  2. Explore Scientific - 68° Series 20mm Waterproof Eyepiece - 1.25"

    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
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $169.00

    Special Price: $99.99

  3. Explore Scientific - 68° Series Argon-Purged 16mm Waterproof Eyepiece - 1.25"

    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 More
    Model#: EPWP6816-01
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $169.99

    Special Price: $99.99

  4. Explore Scientific - 70° Series 10mm Eyepiece - 1.25"

    DISCONTINUED: Explore Scientific - 70° Series 10mm Eyepiece - 1.25"

    Explore Scientific 70 Degree 10mm Eyepeice, 1.25" Barrel This Explore Scientific   10mm 1.25" eyepiece offers a wide 70º apparent field of view for an amazingly low price! Five element design produces high-contrast images

    Please see the 15mm 70 degree eyepiece as an alternative

    ...     Learn More
    Model#: EP7010-00
    Take advantage of this incredible 2013 Spring Promotion Program
  5. Explore Scientific - 70° Series 15mm Eyepiece - 1.25"

    Explore Scientific - 70° Series 15mm Eyepiece - 1.25"

    This Explore Scientific   15 mm 1.25" eyepiece offers a wide 70º apparent field of view for an amazingly low price! Five element design produces high-contrast images

    ...     Learn More
    Model#: EP7015-00
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $69.95

    Special Price: $59.95

  6. Explore Scientific - 70° Series 20mm Eyepiece - 1.25"

    Explore Scientific - 70° Series 20mm Eyepiece - 1.25"

    This Explore Scientific 20mm 1.25" eyepiece offers a wide 70º apparent field of view for an amazingly low price! Five element design produces high-contrast images

    ...     Learn More
    Model#: EP7020-00
    Take advantage of this incredible 2013 Spring Promotion Program
    $59.99

  7. Explore Scientific - 8.8mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 1.25-inch O.D.

    Explore Scientific - 8.8mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 1.25-inch O.D.

    8.8mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 1.25-inch O.D. ... Learn More
    Model#: EPWP8288-00
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $169.99

    Special Price: $99.99

  8. Explore Scientific - 82° Argon-Purged Waterproof Eyepieces - sizes: 4.7mm, 6.7mm, 8.8mm, 11mm, 14mm, 18mm, 24mm, 30mm

    Explore Scientific - 82° Argon-Purged Waterproof Eyepieces - sizes: 4.7mm, 6.7mm, 8.8mm, 11mm, 14mm, 18mm, 24mm, 30mm

    ... Learn More
    Model#: Explore Scientific 82 Eyepieces

    Starting at: $99.99

  9. Explore Scientific - 82° Series 4.7mm Nitrogen Purged Waterproof Eyepiece - 1.25"

    Explore Scientific - 82° Series 4.7mm Nitrogen Purged Waterproof Eyepiece - 1.25"

    4.7mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 1.25-inch O.D. ... Learn More
    Model#: EPWP8247-00
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $169.99

    Special Price: $99.99

  10. Explore Scientific - 82° Series 6.7mm Nitrogen Purged Waterproof Eyepiece - 1.25"

    Explore Scientific - 82° Series 6.7mm Nitrogen Purged Waterproof Eyepiece - 1.25"

    82° Series 6.7mm Waterproof N2 Eyepiece Specifications:Barrel Size: 1.25" Eye Relief: 14mmElements: 7 in 4 GroupsParfocal: YesWaterproofN2 filledAll Explore Scientific telescope accessories are covered under their standard U.S.A ... Learn More
    Model#: EPWP8267-00
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $169.99

    Special Price: $99.99

  11. Explore Scientific -11mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 1.25-inch O.D.

    Explore Scientific -11mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 1.25-inch O.D.

    11mm 82° Series Nitrogen-Purged Waterproof Eyepiece; Fully Multi-Coated; 1.25-inch O.D.

    ...     Learn More
    Model#: EPWP8211-00
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $169.99

    Special Price: $99.99

  12. iOptron - 1.25 inch Eyepiece Set PL

    iOptron - 1.25 inch Eyepiece Set PL

    1.25 inch Eyepiece Set PL

    ...     Learn More
    Model#: TP100
    $45.00

  13. Levenhuk - 3mm Ra LER Eyepiece

    Levenhuk - 3mm Ra LER Eyepiece

    Levenhuk Ra LER 3 mm is a practical eyepiece with a short focal length of 3 mm (0.1 in) and a long eye relief for maximum comfort during observations

    ...     Learn More
    Model#: 35010
    $99.95

  14. Levenhuk - 6mm Ra LER Eyepiece

    Levenhuk - 6mm Ra LER Eyepiece

    Levenhuk Ra LER 6 mm is a practical eyepiece with a focal length of 6 mm and an eye relief of 20 mm. This eyepiece is perfect for planetary observations and is capable of producing sharp and clear views.

    ...     Learn More
    Model#: 35011
    $99.95

  15. Lumicon - 1.25" Silver Series Eyepiece 10mm

    Lumicon - 1.25" Silver Series Eyepiece 10mm

    ... Learn More
    Model#: LL2100

    Regular Price: $80.00

    Special Price: $49.95

  16. Lumicon - 1.25" Silver Series Eyepiece 12.5mm

    Lumicon - 1.25" Silver Series Eyepiece 12.5mm

    ... Learn More
    Model#: LL2125

    Regular Price: $80.00

    Special Price: $49.95

  17. Lumicon - 1.25" Silver Series Eyepiece 20mm

    Lumicon - 1.25" Silver Series Eyepiece 20mm

    ... Learn More
    Model#: LL2200

    Regular Price: $90.00

    Special Price: $49.95

  18. Lumicon - 1.25" Silver Series Eyepiece 25mm

    Lumicon - 1.25" Silver Series Eyepiece 25mm

    ... Learn More
    Model#: LL2250

    Regular Price: $90.00

    Special Price: $49.95

  19. Lumicon - 1.25" Silver Series Eyepiece 40mm

    Lumicon - 1.25" Silver Series Eyepiece 40mm

    ... Learn More
    Model#: LL2400

    Regular Price: $132.00

    Special Price: $71.95

  20. Lumicon - 1.25" Silver Series Eyepiece 6.3mm

    Lumicon - 1.25" Silver Series Eyepiece 6.3mm

    ... Learn More
    Model#: LL2063

    Regular Price: $80.00

    Special Price: $44.95

Items 41 to 60 of 129 total

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