Kolari Full-Spectrum Infrared 10-Filter Forensic Set – 52mm
841,49€
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100 in stock (can be backordered)
Description
Kolari Full-Spectrum Infrared 10-Filter Forensic Set – 52mm
- 470nm Infrared – Gen 3
- 500nm Infrared – Gen 3
- 550nm Infrared – Gen 3
- 570nm Infrared – Gen 3
- 590nm Infrared – Gen 3
- 665nm Infrared – Gen 3
- 780nm Infrared – Gen 3
- 930nm Infrared – Gen 3
- 1000nm Infrared – Gen 3
- UV/IR Cut H-Alpha Pass
These external infrared filters are perfect for adding to a full spectrum conversion or on top of another infrared conversion to get a different effect. These are high-quality polished optical glass IR filters, each with standard front and back threads.
These professional-grade filters are our finest IR glass. All of our pro filters are AR coated and come in our slim gen 3 filter ring. The filters will be packaged in a soft filter pouch. If you’d like to purchase individual cases, you can purchase our Kolari Magnetic Filter Cases here.
By purchasing you agree to our Terms of Purchase.
Features
- Anti-reflective (AR) coated to increase light-transmission and reduce flare and ghosting
- Slim filter ring for reduced vignetting when using wide-angle lenses or when stacking filters
- Front and rear threaded unlike other slim filters
- Brass CNC Machined construction for a light and strong ring
- Finger grips for easier filter removal
These external infrared filters are perfect for adding to a full spectrum conversion. Click here for more information on Full-Spectrum conversions!
Attention: Hot-Mirror, 590nm IR, 665nm, 850nm IR filters require a full-spectrum converted camera to produce the desired visual effect!
Transmission Curves (Industry Standard Uncoated Glass and AR coated filters)
Additional information
Weight: 450g
Lens Filter Size: 37mm, 40.5mm, 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm, 95mm
AR Coating
Background:
Uncoated glass has a reflection of around 7.7% at all wavelengths (about 4% when the light enters the glass, and another 4% when the light exits the glass), and we found that these reflections off the sensor filter was bouncing off the glass and reflecting back from the lens housing and aperture blades to contributing to the hotspots. We developed an anti-reflective coating that is centered around the IR wavelengths that cause hotspots, and reduced the ~7.7% reflection down to <0.4% on average over the IR band, compared to our competitors coating which reduces <1.0%. Below, scan data from our sensor filter coating compared to uncoated glass.
Lens Filter AR Coating
We also now offer our AR coatings on our IR filters and hot mirror filters. The AR coating reduces increases transmission and reduces reflections and ghosting.  Example below of one example of a filter reflection artifact. Left, shot through an uncoated IR filter, right, shot through AR coated IR filter. Please note, the lens filter AR coatings do not have an effect on hotspots.
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