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Kevin Shaw on HDR for Filmmakers Photo

Kevin Shaw on HDR for Filmmakers

FinalColor has posted an article entitled “HDR-An Introduction” by Kevin Shaw. In it, Shaw describes the use of HDR displays, the move from a Gamma based standard to perceptual quantization (PQ) electro-optical transfer function (EOTF). He points out that 4K resolution is a 400% increase in data for (once compressions has taken place) relative little gain, whereas HDR is a 20% data increase for a “huge” improvement.

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Inon announces UCL-67 close up lens Photo

Inon announces UCL-67 close up lens

Inon has released their UCL-67 close up lens. Consisting of 3 coated lens element in 4 groups, the lens offers equivalent magnification to a +15 diopter along with a reasonable working distance. Mounting options including M67 (UCL-67 M67) and Inon LD mount (UCL-67 LD) and there is a stacking ring available.

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Pollution levels in the Mariana Trench are at ‘Extraordinary’ levels Photo

Pollution levels in the Mariana Trench are at ‘Extraordinary’ levels

In a recently published study, scientists have shown that organic pollutants are present in full ocean depths at many times higher than even the most polluted river in China. Scientists found that pollutants in crabs collected in the Mariana Trench, which is 36,000 feet deep, were 50 times higher than crabs found in the Liaohe River, one of the most polluted rivers in China. Two chemicals found were POPs that were produced between the 1930’s and 1970’s, showing a long term effect on the environment.

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