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Аксесоари за телескопи > Окуляри > TMB > TMB 6mm long eye relief 1.25" Planetary II Eyepiece

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Цена
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TMB 6mm long eye relief 1.25" Planetary II Eyepiece

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Цена: 143,00 лв
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Описание

This 6mm Planetary eyepiece is from TMB Optical, the company founded
by noted apochromatic refractor designer Thomas M. Back to
produce state-of-the-art premium optics. This eyepiece offers a truly
premium performance at an amazingly low price!

The 6mm TMB Planetary has been optimized to show maximum contrast,
detail, and definition when viewing bright objects such as the Moon
and planets, both on and off axis. This eyepiece features fully multi-
coated (FMC) optics and exhibits very high light transmission
and contrast, plus minimal chromatic aberation and light scatter.
These combine to provide exceptional high power observing with all
refractors, reflectors, and catadioptric scopes when the seeing
conditions allow.

This eyepiece provides 333x (about 42x per inch of aperture) with an 8"
SCT, about the practical maximum magnification possible under
good to very good seeing conditions. Eye relief, at 15mm, is
excellent for an eyepiece with such a short focal length. Vignetting
will only be moderate for those who must wear eyeglasses while
observing, although this won't be a problem when viewing the kinds
of objects for which it was optimized - planets, binary stars, etc. -
when these small objects are kept in the center of the eyepiece field,
where your eyesight is sharpest.

For Dobsonian users and others without tracking drives, the very low
chromatic and other aberrations allow a planet to drift across the
entire 58° field while still being sharp and having high contrast,
thereby maximizing observing time. While the eyepiece is optimized
for observing subtle lunar and planetary detail, the eyepiece's
observing virtues work equally well for splitting binary stars,
resolving compact globular clusters, etc.

Specifications:

* Apparent field of view: 58°
* Eye relief: 15mm
* Focal Length: 6mm
* Barrel Size: 1.25"

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