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For Sensor (club culture magazine) long time ago. Color backgrounds by Sabob www.flickr.com/photos/7940175@N07/
Sunshine sensor lost power, heater stopped working, condensation formed in box, froze over winter and cracked casing, more water got into box…
These sensors can be used to sense motion in a covered area (defined by each sensor). These motion detector sensors need power and generally provide a Normally Open (NO) or Normally Closed (NC) NO/NC signal or a 12VDC signal to activate a circuit as simple as an alarm bell or alert chime when...
Yesterday was Sensor cleaning day for me. Here's the kit I use.
Process:
1) Take a picture of "blue sky" I used my 60mm micro lens at f/32 and 1/80 of a sec. Very small aperture let's you see contamination on the sensor you might not normally find.
2) Printed a paper copy of the sky photo and circled 14 items that look like dust / stickies on the sensor.
3) Mounted the camera on my tripod facing down with the mirror locked up for cleaning.
4) Used the blower to clean any loose dust out of the camera and hopefully off the sensor.
5) Turned the print to orient as I'm working on the sensor. (Upside down and flipped horizontally.) Put on the "headlight" to look up at the sensor.
6) Used the Len's pen and then Sensorklear to target the know dirt on the sensor.
7) Took another picture and checked to see if dirt gone. My first image had 14 spots noted. After the first cleaning I had removed 10. I cleaned again and removed 2 more. There are still 2 spots, but they are near corners and don't show up in normal exposure setttings.
The air is alive with dirt / dust / stickies. If you have a DSLR and change lenses this will be a problem sooner or later. I'm careful to keep the camera upside down when I change lenses, but still every 6 months or so I go through this. Aloha!
I believe this is just a placebo, this button does not effect the traffic lights in any perceivable way.
Just about every non-door-man building has one. Hit the button of the apartment you'd like to contact. They have a similar box in their apartment to respond, listen, and/or buzz you in.
Cleaning the sensors on my two camera bodies into day's lock down photo gallery at this link www.thebrewstop.co.uk/lockdown-2021/part-two/20thmarch.htm
improved sensor for further use
Original post: www.flickr.com/photos/75972957@N06/7944653766/
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