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Celestron 2" Eyepiece and Filter Kit
Celestron 2" Eyepiece and Filter Kit

Celestron 2" Eyepiece and Filter Kit

by Celestron
SKU CEL-94305
CA$584.00 - CA$584.00
CA$584.00
CA$584.00 - CA$584.00
CA$584.00
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  • Three 2" E-Lux Eyepieces (40mm, 32mm, 26mm)
  • 56° Apparent Field of View (50° for 40mm)
  • 2X Barlow Lens Doubles Magnification of any 2" Eyepiece
  • Five 2" Planetary Filters for Contrast Enhancement
  • 2" 90° Mirror Diagonal for SCTs and Refractors
  • Sturdy Metal, Foam-Lined Carry Case
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Celestron Eyepiece and Filter Kit - 2"

    The Celestron Eyepiece and Filter Kit - 2" is a complete 12-piece accessory package designed to unlock the low-power, wide-field viewing capabilities of your telescope. This kit includes three 3-element E-lux eyepieces (40mm, 32mm, and 26mm) with fully multi-coated optics and up to a 56° apparent field of view. A 2X Barlow lens effectively doubles your magnification options to six, while five colored planetary filters bring out subtle details on celestial objects.

    3 E-Lux Eyepieces for 56° Wide-Field Views

    This kit includes three fully multi-coated, 3-element E-lux eyepieces designed for bright, expansive views. The 40mm eyepiece delivers a 50° apparent field of view and the lowest power, maximizing your telescope's light-gathering ability for observing faint, extended deep-sky objects like the Andromeda Galaxy (M31). The 32mm and 26mm eyepieces provide a wider 56° apparent field and a useful step up in magnification for framing smaller nebulae and clusters.

    2X Barlow Lens: 6 Magnification Options from 3 Eyepieces

    The included 2X Barlow lens instantly doubles the magnification of any 2" eyepiece it's paired with, effectively transforming your three eyepieces into six distinct focal lengths. This allows you to achieve higher-power views typically reserved for 1.25" eyepieces while retaining the comfort of a 2" barrel. With the Barlow, the 40mm performs like a 20mm, the 32mm like a 16mm, and the 26mm provides the power of a 13mm eyepiece, giving you the flexibility to frame both wide star fields and closer planetary details.

    5 Planetary Filters for Enhanced Planetary Detail

    Enhance your views of the planets with the five included 2" colored filters. These filters thread directly onto any 2" eyepiece barrel and are selected to improve contrast on specific planetary features. The #25 Red and #21 Orange filters are excellent for increasing contrast on Mars' polar caps and dark surface markings, while the #80A Blue and #58 Green filters help reveal cloud belts and the Great Red Spot on Jupiter.

    2" Diagonal and Protective Metal Case for SCTs and Refractors

    The kit includes a 2" 90° mirror diagonal that allows you to take advantage of the wide-field eyepieces with a Schmidt-Cassegrain or refractor telescope. An SCT-to-2" adapter and a refractor adapter are both included for immediate use. Everything is housed in a sturdy, metal carry case with die-cut foam that protects your accessories from dust and impacts during transport and storage.

  • What telescopes are compatible with the Celestron 2" Eyepiece and Filter Kit?

    This kit is designed for any Schmidt-Cassegrain (SCT) or refractor telescope equipped with a 2" focuser. It includes the necessary 90º mirror diagonal and adapters. Newtonian reflector owners can also use the eyepieces, Barlow, and filters, provided their focuser accepts 2" accessories, but the diagonal is not needed.

    How do I get 6 different magnifications with only 3 eyepieces in this kit?

    The kit includes a 2X Barlow lens. You can use each of the three eyepieces (40mm, 32mm, 26mm) on their own for three distinct magnifications. By inserting the Barlow lens into the telescope's focuser first, and then inserting an eyepiece into the Barlow, you double the magnification of each eyepiece, giving you three additional, higher-power views for a total of six.

    What is the main advantage of 2" eyepieces over 1.25" eyepieces?

    The primary advantage is a wider true field of view. The larger barrel diameter of 2" eyepieces allows for a larger field stop, which means you can see a much larger patch of sky at a given magnification. This is especially beneficial for observing large deep-sky objects like the Orion Nebula (M42) or the Pleiades (M45).

    Which filter in the Celestron 2" Kit is best for viewing Jupiter?

    The #80A Blue filter is very effective for enhancing the contrast of Jupiter's cloud belts and bringing out more detail in the Great Red Spot. The #58 Green filter can also be used to improve the visibility of the same features.

    Can I use 1.25" eyepieces with the Barlow lens in this kit?

    Yes, but you will need a 2" to 1.25" eyepiece adapter, which is not included in this kit. With such an adapter, you can place your 1.25" eyepieces into the 2X Barlow lens to double their magnification as well.

    Is the 40mm E-lux eyepiece in this kit a good choice for an 8" f/10 SCT?

    Absolutely. In an 8" (2032mm focal length) f/10 SCT, the 40mm eyepiece will provide 51x magnification and a very wide field of view, making it an excellent "finder" eyepiece for locating objects and for observing large star clusters and nebulae.

  • Eyepiece Focal Lengths 40mm, 32mm, 26mm
    Eyepiece Apparent Field of View 56° (26mm, 32mm), 50° (40mm)
    Eyepiece Design 3-element
    Optical Coatings Fully Multi-Coated
    Barlow Lens 2X Magnification, 2" Barrel
    Filters Included #80A Blue, #58 Green, #25 Red, #21 Orange, #12 Deep Yellow
    Filter Size 2"
    Diagonal 90º Mirror Diagonal, 2"
    Adapters 2" to SCT, 2" Diagonal Adapter for Refractors
    Case Metal with die-cut foam lining

    • 26mm E-lux Eyepiece - 2"

      × 1

    • 32mm E-lux Eyepiece - 2"

      × 1

    • 40mm E-lux Eyepiece - 2"

      × 1

    • 2X Barlow Lens - 2"

      × 1

    • #80A Blue Filter - 2"

      × 1

    • #58 Green Filter - 2"

      × 1

    • #25 Red Filter - 2"

      × 1

    • #21 Orange Filter - 2"

      × 1

    • #12 Deep Yellow Filter - 2"

      × 1

    • 90º Mirror Diagonal - 2” to SCT

      × 1

    • Diagonal Adapter for Refractors - 2"

      × 1

    • Metal Carry Case

      × 1

  • Celestron 2-Year Warranty