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Astronomy > Filters > Other > Baader > Baader Filters 1.2“ semi APO filter (plane-optical polished)
Product no.: 10901

Filters 1.2“ semi APO filter (plane-optical polished)

$ 94.00 incl. VAT plus shipping costs
short-term
ready for shipping in 1-2 weeks + lead time

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Product description

Our expert comment:

The Fringekiller blocks about a third of the blue light. The transmission in red and green light is 100%. The resulting loss of light over the entire spectrum is only about 12%.

The semi-apo filter blocks more than 25% in blue and red light. The proportion is lower in green, but about 30% of light is lost across the entire spectrum. But the colours are once again neutral, except for a slight green tint. The light reducing effect of the semi-apo filter is about half a stop.

(Bernd Gährken)

Specifications

Capacity


Frame
1,25"

Product safety

manufacturer: Baader Planetarium GmbH, Zur Sternwarte, 82291 Mammendorf, DE, www.baader-planetarium.de
Baader Filters 1.2“ semi APO filter (plane-optical polished)
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