Celestron 1.25" 7-21mm Zoom Continuous Astronomical Telescope Eyepiece

Description

Item Description:
OVERVIEW
Zoom from low to high power in an instant with this versatile eyepiece!
Compatible with any telescope that accepts 1.25” eyepieces.
This fully multi-coated premium eyepiece zooms to any focal length between 7 mm & 21  mm - pick the best magnification for your subject.
Brand : Celestron
Model: Celestron telescope zoom eyepiece 7-21mm
Focal Length: 7mm-21mm, non-polar zoom, non-polar zoom
Size: Standard 1.25 inch /31.7mm telescope universal accessories
Coating: optical lens, FMC all plated green film, high definition
Application:
World of dual-use, applicable to all the astronomical telescope (31.7mm), used to watch the scenery and astronomical observation of the surface of the moon, planets, nebulae, star clusters, nebulae and other celestial bodies, the dispersion of high brightness, wide field observation, very comfortable; metal body, the surface coating layer, excellent optical performance.
A zoom eyepiece is equivalent to more than one eyepiece, high to low times, short focal to telephoto, the cost is very high, easy to adjust the ratio, very practical eyepiece
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Celestron E-Lux 40mm Eyepiece (2-Inch)
Condition: Brand New in Original Packaging
SKU: 94322-CELESTRON
Features
40mm Kellner eyepiece designed for 2-inch focusers
3-element lens design with fully multi-coated optics
Wide 56-degree apparent field of view
Long eye relief (36mm) for comfortable viewing
Threaded to accept most 2-inch filters
Product Description
Get more light to your eye and enjoy the low-power, wide-field views of Celestron’s E-lux 2-inch eyepiece. Designed to be used with any telescope with a 2-inch focuser, the Celestron E-lux eyepiece is a 3-element, fully multi-coated Kellner design with a 56-degree apparent field of view. The 40mm E-lux eyepiece's very low power is perfect for those times when you need all the light-gathering your telescope can offer to see faint deep-sky objects.
Body
The 40mm E-Lux eyepiece has a main housing that is machined from high grade aluminum with a black anodized outer surface. The internal surface of the mounting barrel has been machined with light dispersion threads that are painted matte black, to cut down on internal reflections for a clear viewing experience.
What's in the Box
Celestron E-Lux 40mm Eyepiece (2-Inch)
Specifications
Celestron E-Lux 40mm Eyepiece (2-Inch)
Barrel size (DIA): 50.8mm (2 inch)
Focal Length: 40mm (1.57 inch)
Apparent field of view: 56 degree
Optical design: Kellner
Number of lens elements: 3
Number of lens groups: 2
Optical coatings: Fully multi-coated
Eye relief: 36mm (1.42 inch)
Parfocal eyepieces: No
Filter threads: 50.8mm (2.0 inch)
Eye guard: Yes, rubber, fold-down
Weight: 12.5 oz (356 g)
Dimensions: 125.20mm x 55.9mm DIA (4.93 x 2.20 inches DIA)
Shipping
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