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Vai al moduloThe Baader UV/IR-Cut / L-Filter CMOS-Optimized Filter is the Luminance filter from the L-RGB CMOS-Optimized range, suitable for optical systems from f/15 to f/1.8, with 98% transmission across the entire visible spectrum.
The filter reflects harmful thermal radiation in the infrared spectrum and blocks ultraviolet light, ensuring 98% transmission across the entire visible spectrum. It prevents blurred star images with red-sensitive cameras, particularly useful with unmodified CMOS/CCD cameras for broadband imaging.
The filter is coated with Reflex-Blocker™ treatment, which eliminates unwanted reflections even in the presence of auxiliary optics, and with Life-Coat™ technology: a hardened coating that does not flake, does not degrade and lasts the filter's entire lifetime even under the most extreme conditions. The edges are blackened all around, with a visual indicator on the front side for correct orientation during mounting. The filter is individually polished and coated, with no exposed coating edges.
Available in 8 formats: 1¼" (31.8mm), 2" (50.8mm), 31mm, 36mm, 50.4mm, 50×50mm, 65×65mm, and the unmounted FCCT 2" version (Ø47.4mm) for 3D-printed filter holders.
| Parameter | Value |
|---|---|
| Type | Luminance (UV/IR-Cut) |
| Passband | 420-685nm |
| Transmission | 98% |
| Recommended optical systems | f/15 to f/1.8 |
| Filter thickness | 2 mm |
| Coating | Reflex-Blocker™, Life-Coat™ |
| Brand | Baader Planetarium |
Ideal as a single filter for broadband imaging with unmodified mono CMOS cameras, or as an additional/replacement component for those who already own a Baader L-RGB CMOS-Optimized set and need a second Luminance filter.
