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Home > Filters > Other > Baader > Baader 1.2“ semi APO filter (plane-optical polished)

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

Product no.: 10901
Manufacturer: Baader

$ 90.00

incl. VAT

Delivery still possible before Christmas (EU destinations) - when you order by noon on 17.12.!


 

Baader 1.2“ semi APO filter (plane-optical polished)
Product description
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Customer reviews

Manufacturer's product description:

Please note that this product desciption was translated by a computer. For more information please contact our english speaking customer service.

Again and again we were made aware of customers that the combination of the moon & Skyglow filter and the Fringe killer color-corrected images in amazingly Billi-refractors supplies. Unfortunately reflexes were complaining that occurred in such a combination.

With this filter you can confront the problem. It causes a practically neutral color image without the blue and red halo, which reduces the cheap refractors in the image contrast so annoying to be seen.

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)

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16.12.2019
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