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Review Summary
2016-12-12T20:17:56
This specialty filter for UV reflectance (not fluorescence!) photography with full spectrum modified digital camera works as advertised in eliminating visual spectrum and only letting through UV light. It works well with a 365 nm LED flashlight. It is important to note, that the filter thread of this filter has a NON-STANDARD pitch, and will not thread properly with standard photographic filter thread and step-down rings. The pitch is 0.75 and not 0.5 as on photographic filters. The filter diameter is 48 mm, so less than the 2" (= 50 mm) that is indicated in the filter's name. To properly seat this filter on photographic equipment, a specialty adapter is required. Cannot provide specific source, but search the "usual places".
Daniel G.
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2" / 5.08cm
4047825009838
Works as suggested, non-standard filter thread.
By Daniel G.
This specialty filter for UV reflectance (not fluorescence!) photography with full spectrum modified digital camera works as advertised in eliminating visual spectrum and only letting through UV light. It works well with a 365 nm LED flashlight. It is important to note, that the filter thread of this filter has a NON-STANDARD pitch, and will not thread properly with standard photographic filter thread and step-down rings. The pitch is 0.75 and not 0.5 as on photographic filters. The filter di...
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Why settle for the ordinary when you can capture the extraordinary The Baader Venus U-Filter is a specialized tool designed for deep ultraviolet (UV) imaging, allowing photographers and astronomers to delve into a spectral region that is typically beyond reach. With its advanced coating technology, the Baader Venus Filter boasts an impressive transmission range from 300nm to 400nm, peaking at an 80% transmission rate. This high level of efficiency is critical for UV photography, where capturing fine detail and contrast is paramount.
Crafted with a meticulous 20-layer dielectric coating stack atop a specially polished UG-11 substrate, the filter ensures complete rejection of light from 200nm to 1500nm, isolating the desired UV spectrum. This precision engineering surpasses the capabilities of traditional deep violet filters and simple interference filters, which often fall short in both transmission and rejection outside the crucial 320nm to 390nm range.
The Baader Venus U-Filter is not just about transmission; it's about achieving the highest contrast and sharpest images possible. Its exceptional optical quality is consistent with Baader's renowned filter lineup, ensuring that your UV images are captured with the utmost clarity.
Additionally, the filter's pass band includes the solar Calcium K-Line, presenting a unique opportunity for astrophotographers to document solar flare structures with remarkable detail. Whether you're interested in UV landscape photography, floral UV signatures, or forensic applications, the Baader Venus U-Filter is the preferred choice for professionals exploring the nuances of UV imaging.
The latest 2" version of this filter has been optimized for even higher transmission and more robust out-of-band blocking, enhancing your imaging experience. The filter cell is equipped with a standard M48x0.75 thread, making it compatible with Baader's DSLR-2 filter adapter ring and HDT-Rings for convenient mounting to camera lenses.
The Baader Venus U-Filter's precise construction and unparalleled performance make it an essential addition to the toolkit of any serious UV photographer or astronomer. Elevate your imaging capabilities and uncover the hidden wonders of the ultraviolet world with this exceptional filter.