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Set Astrodon Filters Lrgb Series Square By 50 mm Side Not Mounted In Cell View larger

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Set Astrodon Filters Lrgb Series Square By 50 mm Side Not Mounted In Cell

Set Astrodon Filters Lrgb Series Square By 50 mm Side Not Mounted In Cell

"Set Filter Lrgb Generation 2 Square With Sides 50mm Unmounted

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Set Astrodon Filters Lrgb Series Square By 50 mm Side Not Mounted In Cell

Astrodon

AS-LRGB2_E50S

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"Set Filter Lrgb Generation 2 Square With Sides 50mm Unmounted

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1 525,00 €

Ordered upon request

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"SET FILTER LRGB Generation 2 square with sides 50mm unmounted ideal for large-format sensors as KAF16803 and KAF9000.

All filters are parfocal Astrodon:
most frustration in 'astrophotography with CCD is that of having to find the correct firing position with the H-alpha filter: the narrow band filters keep out much light so you must use a very bright star to perfect focus. All the filters Astrodon Tru-Balance L, C, R, G, B, H-Alfa, OIII and SII are parfocal on optics with focal ratio less than f / 4. Login This means you can adjust the focus by using a filter or C G, install a filter H-Alpha and immediately proceed with the acquisition of the image. This is one of the key advantages of the Tru-Balance filters Astrodon that made them so popular in a short time. The thickness of the filter determines
As it can be parfocal: Tru-Balance filters are dichroic filters with very resistant treatments deposited on a single glass substrate of high quality. The reduced thickness (3mm) of this substrate is controlled accurately with error +/- 0.05mm. The change from lot to lot is less than 0.1mm, measuring slightly less than the critical areas of focus of a system f / 5. On request it is possible to select within various batches filters with less variation and then get a set of filters that have the exact same thickness (prices on request).

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