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Astronomy > Eyepieces > Baader > Classic Ortho > Baader Eyepiece Classic Ortho 18mm
Product no.: 33615

Eyepiece Classic Ortho 18mm

RRP: $ 78.00 Our price:
$ 62.00 incl. VAT, plus shipping costs
short-term
ready for shipping in 1-2 weeks + lead time
Compare the article with this offer: Omegon Eyepiece Ortho 16.8 mm 1,25''

Delivery possible before Christmas,
when your order by 04.12.!
Right of return up to January 31 2025!


Product description

The classic orthoscopic eyepiece has some advantages over popular Ploessl eyepieces of the same focal length, but especially compared to modern 'super-wide angle eyepieces':

  • the low number of lens elements used results in very high light transmission with very high contrast and therefore gives an extremely clear, distortion-free image. The stars are perfectly sharp not only in the centre but also at the edge of the field of view.
  • multi-coating ensures low internal reflections - separating the closest double stars with these eyepieces is a breeze, and the fine detail on planets emerges clearly.
  • the orthoscopic eyepieces in this series are parfocal, i.e. almost no refocusing is needed when switching eyepieces.

Construction of an orthoscopic eyepiece: The optics consist of a plano-convex lens with a triplet, meaning there are only four air/glass surfaces. The interior is comprehensively blackened and effectively suppresses any stray light. In addition, the hard anodized barrel comes with an internal thread for taking filters.

Specifications

Capacity


Focal length (mm)
18
Apparent field of view (°)
52
Number of lenses
4
Number of groups
2
Coating of optical system
multiple
Eye relief (mm)
14,7
Connection (to the telescope)
1,25"

Special features


Adjustable eyepiece cup
yes
Filter thread
yes

General


Weight (g)
81
Series
Classic Ortho
Type
Eyepiece
Type of build
orthoscopic

Recommended accessories

Outdoor (1)

Omegon aluminium case, large

$ 89.00*
Astronomy (2)
Carry case

Oklop Carry case for accessories

$ 42.90*

*All prices include VAT plus shipping costs.

Baader Eyepiece Classic Ortho 18mm

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