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Astronomy > Eyepieces > Denkmeier > Denkmeier D21 Eyepiece set
Product no.: 71913

D21 Eyepiece set

$ 870.00 incl. VAT, plus shipping costs
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short-term
ready for shipping in 3-5 weeks + lead time

Product description

These highly rated D21 eyepieces are matched to 1/100th focal length. Typically being 21.6mm, they have a 65 degree AFOV and of course are fully multi-coated.

They exhibit NO pin cushion distortion and produce amazing contrast, whether used for nighttime observations of planets, lunar and DeepSky or daytime views in white light and H-Alpha (Sun). Please be sure to ALWAYS use an appropriate protection filter when viewing the Sun!!!

The product photo shows the D21 eyepieces in a Binotron27 Super System with Filter Switch (not included with the D21 eyepieces).

Specifications:

  • available focal length: 21mm
  • 1.25" eyepiece barrel format
  • 65 degree AFOV
  • fully multi-coated on all air to glass surfaces for ultra-high efficiency transmission
  • high Index Japanese glass utilized
  • 20mm eye-relief
  • black anodized aluminum housings and barrels with rubber
  • knurled grip
  • laser engraved logo
  • rotating batwing eye-guards
  • weight: D21: 8 oz. each

Specifications

Capacity


Eye relief (mm)
20
Focal length (mm)
21
Apparent field of view (°)
65
Coating of optical system
Multiply multi-coated
Connection
1,25"

Special features


Filter thread
yes
Adjustable eyepiece cup
yes

Equipment


Number of eyepieces (piece)
2

General


Type
Eyepiece
Type of build
Eyepiece set

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*All prices include VAT plus shipping costs.

Denkmeier D21 Eyepiece set

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