Eyepiece Tecnosky Ultra Flat Field 18 mm 65 °

TecnoSky UF 18 mm

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Eyepiece Tecnosky Ultra Flat Field 18 mm 65 °

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Delivery 7 to 10 business days

135.0 CHF tax incl.

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Eyepiece Tecnosky Ultra Flat Field 18 mm 65 °

After the success of the Flat Field eyepieces, now comes the Ultra Flat Field series; thanks to the new optical design the apparent field is increased but without worsening the quality at the edges, indeed they are very contrasted and corrected on difficult instruments such as newtons and short focal length refractors.
The 18mm focal length is made up of 8 lenses in 5 groups, all covered by FMC! The apparent 65 ° field places it between the Super Wide Angle eyepieces but with a greater correction and a still light and compact body, in fact it weighs only 206 grams
The eye relief of 20mm makes it usable also for spectacle wearers but without the uncomfortable parallax effect

Characteristics:


Eyepiece flat fields 18mm
Field 65°
Diameter of the front lens 27mm
Pupillary extraction 20
Diameter of the barrel 31.8mm
Weight 206gr
Length 45mm