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Цена
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Variable Polarising Filters 2

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Цена: 103,00 лв
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Описание

These high quality anodized aluminium, optical glass variable polarising
filters reduce the amount of light entering your eyepiece. You can
progressively dim the view when observing a bright object, such as
the Moon or certain planets, to a level according to your needs, whilst
increasing contrast, reducing glare and increasing the amount of detail
that can be studied. The light transmission can be varied from 40%
down to as little as 1%. The filter will not change the colour of the
object being viewed and will prevent eye fatigue and loss of night
vision. Each filter set consists of two polarizing filters, one which can
be rotated in its cell to adjust the brightness. The filters, used as
single elements, can also be used for daytime terrestrial use for
reducing sunlight glare from lakes oceans or window glass. Available
in two sizes, threaded to fit either standard 1.25� or 2� astronomical
eyepieces. Supplied with storage case.

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