- This is Pentax Eyepiece Astronomical Telescope Spotting Scope.
- Model No:XW20
- This is Japan Ver.(manual is japanese.)(Warranty is only use in Japan.)
- This is New and Unopened.
Note:It take 3~5hunddle days until shipment.
Ricoh RICOH Pentax PENTAX Product summary of eyepiece XW20 for astronomical telescopeRealize outstanding power and readability
You can enjoy a powerful star image with wide field of view with an apparent field of view of 70 ° and an eye relief of 20 mm.Further enhancement of performance by adopting new optical system
High-quality lanthanide high refractive index and low dispersion glass is adopted as the optical system. We corrected various aberrations in a well-balanced manner with high optical technology. Considering the spherical aberration of the pupil in particular, it is easier to see by reducing the blackout from the field of view.Excellent transmittance by unique multi coating
Adopting PENTAX's unique multi coating on the air contacting surface of all lenses. A special coat is also applied to the bonded surface to achieve a transmittance of 90% or more (about 96% at 550 nm) over the entire visible light region.Advanced shading technology
Computer simulated and installed light shielding diaphragm at the appropriate position. I realized a field of view with even more contrast.Corresponds to daily life waterproof (*)
It corresponds to everyday life waterproofing, and it is safe even when it gets wet in night dew during observation.
? equivalent to JIS protection grade 4, waterproof type. Can not be used underwater.Product specification Focal length: 20 mmLens composition: 4 groups 6 sheetsApparent visual field: 70 °Mounting diameter sleeve size: 31.7 mm (1.25 inch)Objective: Rotary helicoid type (body 43 mm diameter × pitch 0.75 mm)Length: 86 mmMaximum diameter: 61 mmWeight: 355 g
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My ebay ID is "lovemejapan2015".I live in Japan.My shop's item all is Authentic item.My shop's mainly item is
- Brand Watch
- Dragonball Figure
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- Electronic items
If you are look for something else Please free contact to seller.I will do my best for you.
Filed under: Eyepieces & Accessories