Both filter lines are made using Corning Gorilla Glass 3, and both pass the Drop Ball Test used by the FDA to test eyeglasses and sunglasses. The test involves dropping a 0.56 ounce steel ball from 50 inches onto the glass, which must not fracture to pass. “Traditional UV filters made ...
K&F Concept 72mm 82mm Nano D Series Variable Fader ND2-32 ND Filter and CPL Circular Polarizing Lens Filter in 1 for Camera LensUSD 104.98-149.98/piece K&F Concept Magnetic ND Filter Kit for DJI Osmo Pocket 3 (ND4+ND8+ND16+ND32) Optical Glass Multi-Coated Waterproof Anti-scratchUSD 73.98/...
In between the two frequency conversion crystals a dichroic mirror—referred to as beam cleaner—is used as a wavelength filter. Its front side is HR-coated for 1064 nm and HT for 532 nm to filter out the residual 1064 nm radiation behind the KTP and, therefore, reduce the total fluence ...
UV filters test 14. Hoya 72 mm UV-0 - Standard www.hoyafilter.com/ Hoya 72 mm UV-0 - Standard Price: 79 PLN Hoya is a popular manufacturer for photographers since it makes all kinds of photographic accessories. It also has a very wide range of UV filters. The standard filter version ...
Test result: Transmission Summary: This multi-coated filter finally shows what the company can do. The reasonable price and good optical results encourage readers to buy this product.
Test result: Transmission Summary: Similarly to the G series Hoya products, the King filters aren’t any better than a regular piece of glass. Hoya is even a bit better and a bit cheaper. Avoid buying the King!
UV filters test 24. Tiffen 72mm UV www.tiffen.com Tifen 72mm UV Price: 72 PLN The Tiffen Company is a well-known American company producing glass filters for photographers and cinematographers. We were, unfortunately, only able to test the most basic UV filter from this company....
UV radiation. We considered the light wave of 390 to 750 nm in length as the visible range. We gave points according to the chart below, in which we showed the relation between the light transmitted through the filter relative to the total amount of radiation transmitted in the tested range...
The last sentence, however, isn’t completely true. We have to remember that each filter is also an additional optical element, which can increase the tendency of flares, can decrease the light transmission in a significant way, can change the color mapping or cause vignetting. So, when putti...
Test result: Transmission Summary: This filter is given as a free accessory when buying some Sigma lens models. For something that we get for free, its performance isn’t bad at all. It transmits only 0.5% of the UV radiation from the 390 to 200nm range. It has a high visible light...