OPTOLONG UBVRI FILTER SET PHOTOMETRIC 2''

OPTOLONGSKU: ASF-59438


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Sale price€756,08

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NB: The technical data sheet is to be considered purely informative and does not contain any type of guarantee, either implicit or explicit.

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Description

PRODUCT DESCRIPTION
OPTOLONG UBVRI PHOTOMETRIC FILTERS SET - ON FRAME
THIS UBVRI PHOTOMETRIC FILTER SET CONSISTS OF FIVE FILTERS IN A 1.25" OR 2 ROUND FRAME: ULTRAVIOLET (U), BLUE (B), VISUAL (V), RED (R), AND INFRARED (I). THIS SET IS MANUFACTURED WITH HIGH QUALITY BRANDED GLASS EQUIPPED WITH AN ION BEAM ASSISTED MULTI-LAYER DEPOSITION TREATMENT, WHICH GUARANTEES EXTREME SCRATCH RESISTANCE AND ENSURE CENTER WAVELENGTH STABILITY. THE SET IS DESIGNED FOR USE WITH FILTER WHEELS, WITH BOTH 1.25" AND 2" HOUSINGS.

QUALITY MATERIALS:

GERMAN MADE BRAND GLASS SUBSTRATE, 1.85MM THICK
MULTILAYER ANTI-REFLECTIVE TREATMENT, DEPOSITED BY ELECTRON BEAM EVAPORATION AND ION BEAM ASSISTED DEPOSITION
QUALITY FINISHES

OPTICALLY POLISHED SUBSTRATE FOR UP TO 1/4 LAMBDA AND <30 ARCSECOND PARALLELISM ON BOTH SIDES
60/40 POLISH QUALITY TO MIL-O-13830 SPECIFICATIONS
UNIFORM AND PRECISE COATING METHOD THAT GUARANTEES HIGH PASSBAND TRANSMISSION AND PRECISE OFF-BAND BLOCKOUT.
EACH FILTER COMES WITH A PLASTIC CASE WITH EVA PADDING.
ATTENTION, THIS FILTER MUST NEVER BE USED ALONE FOR SUN OBSERVATION!

ATTENTION, THIS FILTER MUST NEVER BE USED ALONE FOR SUN OBSERVATION!

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