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shop online » all levenhuk accessories » Levenhuk Kellner 40 mm 2" Eyepiece

Levenhuk Kellner 40 mm 2" Eyepiece

Levenhuk
Kellner eyepiece. Focal length: 40 mm. Field of view: 65°
  • Category: Accessory
  • Product ID: 50767
  • Country: PRC, controlled by Levenhuk, Inc. (USA)
  • Warranty: 2 years
  • Weight: 0.8 lb (0.35 kg)
  • UPC:
  • Package size (LxWxH): 6.1×2.6×2.4 in (15.5×6.5×6.0 cm)
  • Call us
    800-342-1706
  Levenhuk Kellner 40 mm 2" Eyepiece is a wide-field eyepiece with a focal length of 40 mm and a field of view of 65°. This eyepiece may be used for low and medium-power observations - studying nebulae, for instance. The edges of the fully multi-coated apochromatic lens of the eyepiece are blackened, which produces sharp images of high contrast. ... more

Levenhuk Kellner 40 mm 2" Eyepiece is a wide-field eyepiece with a focal length of 40 mm and a field of view of 65°. This eyepiece may be used for low and medium-power observations - studying nebulae, for instance. The edges of the fully multi-coated apochromatic lens of the eyepiece are blackened, which produces sharp images of high contrast.

Levenhuk Kellner 40 mm 2" Eyepiece has a 2" barrel diameter and may be used with telescopes of any brand and make. The 20-mm eye relief and the rubber eyecup provide for maximum comfort during observations, even when wearing glasses. The grooved surface of the eyepiece shell provides for a firm grip on the accessory, making it easier to change eyepieces during observations.

Levenhuk Kellner eyepieces are also available with focal lengths of 26 mm and 32 mm.

Specifications
Optical design apochromatic Kellner
(3 elements)
Focal length, mm 40
Barrel diameter 2"
Field of view, ° 65
Eye relief, mm 20
Filter thread 2" (M48 x 0.75)
Optics coating fully multi-coated
Blackened lens edges yes
Total length (with eyecup), mm 127
in 5
Weight, kg 0.3
lbs 0.7
Usage General use product.
May be used by kids
over 3 years old.

How to choose the right eyepiece – find out here.

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Levenhuk Kellner 40 mm 2" Eyepiece - Total: 1 Negative 0 Positive 1


Serge Andre (2015-04-16 04:08): Positive
Hello, I want to purchase an eyepiece so far I set my eyes on these two: Levenhuk Kellner 40 mm 2" Eyepiece and Levenhuk Ra Plossl 40 mm 2" Eyepiece. Which of them will work better for a telescope with f/6 focal ratio? Levenhuk Customer Service:
We recommend decide in favor of Levenhuk Ra Plossl 40 mm 2" Eyepiece as it features more complex optical design, which provides for wider field of view and better image quality.

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