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Oil Filter Testing
The sizes highlighted in green approximate the typical 4 to 40µm range of a filter test conducted per ISO 4548-12. A system can be calibrated to report additional efficiencies for the large particles, ...
Digital Camera World on MSN
Want to try both color and mono IR images? This variable filter does both!
The Fotga Adjustable Infrared Filter can cut more or less visible light so you can dial in the exact IR effect you want – but ...
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