Plastic & Celluloid Table Tennis Balls Compared: Luminance and Colour скачать в хорошем качестве

Plastic & Celluloid Table Tennis Balls Compared: Luminance and Colour

Part 4: Luminance and Colour 1. What the ITTF test for 0:08 2. How our tests were done 0:48 3. Our results 01:23 luminance / brightness 01:30 whiteness 02:20 the importance of the direction of light 04:33 the importance of cameras 06:35 4. Conclusions 09:54 How similar, or identical does the plastic table tennis ball play compared to the celluloid ball? Although we test Joola's Super P 40+ plastic ball using Technical Leaflet T3 as a guideline, our observations and conclusions apply equally to all two piece plastic balls. In this 11 part video series, Preston Table Tennis Association conducted random sample testing of Joola's Super-P 40+ plastic ball and for comparison purposes, Joola's Super 40 celluid ball using the same guidelines the ITTF use, Technical Leaflet T3 - The Ball.