OPTOLONG 1.25" UV/IR Cut Filter for CCD Digital Astrophotography

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OPTOLONG 1.25" UV/IR Cut Filter for CCD Digital Astrophotography

Regular Price: US$95.00

Special Price US$74.99

Availability: In stock

Supplier: Optolong

Category: Electronics Camera & Photo Accessories Telescope & Microscope Accessories Telescope Accessories Filters

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US$179.98

OPTOLONG Astronomical filters are used worldwide by professionals and advanced amateurs because of their superior quality and our guarantee. Our filters are correctly optimized for naked eye visual observation, each object will be viewed with maximum contrast through your eyepiece. The transmission curves of the filters are designed so that you gain maximum contrast and brightness while retaining the subtlest gradations in each object. Unmatched optical quality and high efficiency hardened multi-coatings result in the sharpest and highest images possible.

15.Optolong filters are delivered in a high-quality, long lasting, filter box. 14.Diffraction limited, the filter will not reduce the optical performance of your telescope. 13.Completely resistant against high humidity, scratches and aging effects. 11. Parfocal with other Optolong filters 12.Glass thickness: 1.85mm. 10. Excellent carrier material. The optical Leitungs of your telescope is not reduced by the filter in any way. 9.Scratch-resistant. 7.Ideal All-round Deep Sky filter even for small telescopes 8.Not sensitive to humidity or aging. 5. pass from 450 to 520nm and from 620nm 6.Entire Blocking of annoying wavelengths. 3.92.5% transmission at 501nm (OIII) 4.98% transmission at 656nm (H-alpha). 1. 96% transmission at 486nm (H-beta) 2.95% transmission at 496nm (OIII).

Water Resistance Level: Not Water Resistant. Photo Filter Effect Type: Ultraviolet. Coating Description: Multi Coating. Photo Filter Thread Size: 28 Millimeters. Material: Glass. Brand: Optolong. Country of Origin: China. Manufacturer: OPTOLONG. Date First Available: April 15, 2022. Best Sellers Rank: #55 in Telescope Filters. Customer Reviews: 5.0 out of 5 stars 5 ratings 5.0 out of 5 stars. Item model number: 044. : B09Y1L5YXD. Item Weight: 1.13 ounces. Package Dimensions: 2.95 x 2.91 x 0.91 inches.