Astronomia > Oculari > Denkmeier > Denkmeier D21 Okular-Set

Denkmeier

Prodotto n.: 71913

D21 Okular-Set

Name: Denkmeier D21 Okular-Set
Brand: Denkmeier
Price: 880 USD

$ 880,00 IVA incl. più spese di spedizione

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spedibile in 3-5 settimane + Tempo di trasporto

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Descrizione prodotto

Purtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.

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