Lightroom Coffee Break: Flow Control Slider
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.
Think Tank Photo updates Airport TakeOff
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.
Canon has announced two new entry level SLR cameras
Canon has announced two new entry level EOS series SLR cameras. The Rebel T7i (EOS 800D in Europe) and 77D both feature a 24.2 Megapixel CMOS (APS-C) sensor and a 45-point all cross-type Dual Pixel phase detection AF system. Image processing is via the DIGIC 7 Image Processor with a native ISO range of 100–25600.
Canon has announced the EOS M6 mirrorless camera
Canon has announced the EOS M6 mirrorless camera. It has a 24.2 Megapixel APS-C CMOS sensor which combined with a DIGIC 7 processor give a native ISO range of 100-25600. Autofocus is Dual Pixel CMOS, video is available in HD resolution at 60p and it is compatible with EF1, EF-S1 and EF-M lenses.
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.
Image: Ray with Bannerfish by Václav Krpelik
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