Kolari Vision UV Photography Filter, Ultraviolet Bandpass Transmission Lens Filter
Price range: 175,99€ through 373,99€
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The Kolari UV Bandpass Filter
Precision-engineered for true ultraviolet photography with unmatched clarity and purity.
Description
We are happy to announce that we have finally developed our own photography grade UV transmitting bandpass filter! This filter pairs with a full spectrum converted camera for true UV-reflective photography. Read our UV photography articles for lens considerations and general advice for shooting UV successfully.
Great for photography, skin damage analysis, forensic analysis, astrophotography, and other uses.
Unlike other UV filters on the market which are interference coating based, we have developed our filters using absorption based glass. The efficacy of interference coatings depends on the angle of incidence, meaning that transmission characteristics change depending on the angle of the light rays. This may be fine for use with a telescope, where there incoming light is very parallel, but for general photography this causes problems with inconsistent color across the frame. Those familiar with our hot-mirror's may recall the issues with earlier interference based hot-mirrors.
Our filter has a 50% transmission peak at 365nm, and >25% transmission between 345-380nm for high total light transmission. Average out of band rejection is >OD 4.3 (0.005%), with a minimum rejection of>3.5OD (0.025%), meaning there is a high signal to noise ratio and no IR contamination.
Our UV filter is coated for durability. Uncoated UV glass is sensitive to oxidation when exposed to humidity, ruining the filter. Due to the thickness of the glass, the filter is only threaded on one side only.
*UV photography requires a UV-compatible lens*
UV Photography Resources
Getting started with UV photography may be tricky, but it doesn't have to be. Here are a list of resources and articles to help you get started:
UV Photography Compatible Lenses
UV Photography Lighting Solutions
What Makes A Good Ultraviolet Filter?
Solar Visions Project by Pierre-Louis Ferrer
If you have any questions regarding UV photography, feel free to reach out to us at contact@kolarivision.com and we'll be more than happy to help!
Kolari UV Bandpass Filter Transmission
High Peak Efficiency
50% transmission at 365nm
Broad UV Passband
25% transmission from 345–380nm
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