20. 1. 20201,284 mil. zhlédnutí임창정 공식 YouTube 채널구독 안 누르고 뭣들 하는 거여~!여러분 늘 행복하세요~에헤라디요!~^^YES IM Ent. YouTube https://bit.ly/2lH2uYtInstagram https://bit.ly/2Hqknrb채널 구독 https://bit.l...
22. 1. 201210 tis. zhlédnutíLens: Yashica Japan No.543xxx AUTO Yashinon-DX 1:1.4 f=50mm (M42 mount)This video shows the radioactivity from a Yashica 50mm f/1.4 camera lens, as measu...
11. 1. 201115 tis. zhlédnutíThis video shows the radioactivity from a Canon FD 55mm f/1.2 camera lens, as measured by a simple geiger counter with a pancake probe.
4. 1. 201185 tis. zhlédnutíRadiation coming from an old lens from the early 1970s is measured with a simple geiger counter. This lens is the famous 50mm f/1.4 Super-Multicoated Takuma...