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Specification
Brand : Optolong
BulletPoint1 : Fine-optically polishing for double-sides ensures accurate λ/4 wavefront and <30 seconds parallelism over the both surfaces
BulletPoint2 : Ultrasonic wave cleaning substrate with purified water removes impurities and dust effectively
BulletPoint3 : IRO source assisted coating for durability and resistance to scratching, as well as stability on CWL (central wavelength). No deviation from temperature change.
BulletPoint4 : Constant stringent quality testing processes - Each filter is tested by spectrophotometer and laser interferometer testing spectrum and wavefront to ensure each filter is a high-quality product
BulletPoint5 : Locking function; lock screw can adjust the tension to eliminate the gap; solve the light leaking issue under long exposure; which is a double insurance for you
Color : Silver
ExternallyAssignedProductIdentifier : 6971991895163
GpsrSafetyAttestation : 1
ItemDisplayDimensions_Length : 5.51 centimeters
ItemName : Optolong LRGB Filter Set (36mm)
ItemPackageDimensions_Height : 2 centimeters
ItemPackageDimensions_Length : 10 centimeters
ItemPackageDimensions_Width : 10 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : telescope-filters
Manufacturer : Optolong
Material : Optical Glass
ModelName : Filters
ModelNumber : YXX8907383358932GO
NumberOfPieces : 7
PartNumber : OptolongLRGB
Pattern : Solid
PhotoFilterEffectType : Enhancing
PhotoFilterSize : 48 millimeters
PhotoFilterThreadSize : 36 millimeters
PocketDescription : Foam-lined Pockets
ProductDescription : The Optolong LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors. The filters divide the spectrum into red, green, blue and luminance. OIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural color imaging. The gap between green and red filters serves to block out the primary Sodium light pollution line at 589nm and improves color balance and separation.
ProductSiteLaunchDate : 2019-10-11T07:00:00.000Z
ShellType : Hard
Size : 36mm
Style : SV220 Filter Bundle with SV226 Telescope Filter Drawer
SupplierDeclaredDgHzRegulation : not_applicable
TargetGender : unisex
UnspscCode : 45121600
WarrantyDescription : 无
WaterResistanceLevel : not_water_resistant