OPTOLONG 1.25" UV/IR Cut Filter 044 for CCD Astrophotography Glass
Product details
| Management number | 241518568 | Release Date | 2026/07/18 | List Price | US$23.68 | Model Number | 241518568 | ||
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The Optolong 1.25" UV/IR Cut Filter 044 is designed for CCD digital astrophotography. This filter helps to optimize visual observation by providing maximum contrast and brightness while retaining subtle object details. It features high efficiency hardened multi-coatings for sharp images.
Key Features:
* 96% transmission at 486nm (H-beta)
* 95% transmission at 496nm (OIII)
* 92.5% transmission at 501nm (OIII)
* 98% transmission at 656nm (H-alpha)
* Passes wavelengths from 450 to 520nm and from 620nm
* Blocks annoying wavelengths
* Ideal all-round deep sky filter, suitable even for small telescopes
* Resistant to humidity and aging
* Scratch-resistant glass material
* Excellent carrier material ensures optical performance of your telescope is not reduced
* Parfocal with other Optolong filters
* Glass thickness: 1.85mm
* Diffraction limited, maintaining telescope's optical performance
* Delivered in a high-quality, long-lasting filter box
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