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camera

A camera is an optical instrument that captures a visual image. At a basic level, cameras are sealed boxes (the camera body) with a small hole (the aperture) that allows light through to capture an image on a light-sensitive surface (usually photographic film or a digital sensor). Cameras have various mechanisms to control how the light falls onto the light-sensitive surface. Lenses focus the light entering the camera, and the size of the aperture can be widened or narrowed. A shutter mechanism determines the amount of time the photosensitive surface is exposed to light.
The still image camera is the main instrument in the art of photography. Captured images may be reproduced later as a part of the process of photography, digital imaging, or photographic printing. Similar artistic fields in the moving image camera domain are film, videography, and cinematography.
The word camera comes from camera obscura, the Latin name of the original device for projecting an image onto a flat surface (literally translated to "dark chamber"). The modern photographic camera evolved from the camera obscura. The first permanent photograph was made in 1825 by Joseph Nicéphore Niépce.

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  1. Whn1

    Thermal camera.

    Has anybody ever used one for plumbing purposes and does it work.. Im talking about tracing leaks in screed, looking at UHF circulation.? Just a thought.
  2. B

    new speed camera

    just seen this on FB sneaky or what
  3. J

    opinions on inspecting catchment spaces using an endoscope/inspection camera.

    I have been pondering with myself to buy one these toys for a while. until the other day when in the merchants where 1 engineer was saying he uses his to inspect catchment spaces plus the flue and on the result he can determine whether or not the fire would need to come out for catchment space...
  4. D

    Caught Speeding? Not sure? Check UK Camera Database

    Just found this website. I went on a long journey last week and wanted to check. Here's the link if you're not sure if you've been caught recently: UK Speed Camera Database. Check to see if you have been caught speeding
  5. M

    Out with the camera again

    As it's the weekend the camera went out with me for the two dog walks today. Not a lot about but I found some nice Beetles this morning. A lesser Stag Beetle CQ9R8765 by Mike Jackson1, on Flickr CQ9R8767 by Mike Jackson1, on Flickr And a Minotaur Beetle CQ9R8799 by Mike Jackson1, on...
  6. P

    Boroscope / Camera recommendation

    Can anyone recommend a decent Boroscope Camera set up? One with a Light, colour screen and a recording feature etc. Looking for something simple and not expensive. Not for sewage drains or anything major, just down the odd pipe or akward hard to see places with a torch and mirror. Rgds
  7. D

    Got my camera out earlier this evening ...

    :drummer:
  8. D

    Which mobile phone upgrade?

    I'm a lucky boy!! :cool::) My wife's suggested I buy a new mobile for Xmas (her present to me:):):D) and she thinks I should have something more than standard telephone talk, SMS text and photos. She thinks I might start using email on it or web access. I'm fairly computer savvy but when...
  9. C

    Theft of gas

    Had the good old BG inspector on the phone today re case of 'theft' of gas at one of our properties. I haven't seen the installation yet, so I'm only going on what's the inspector has said. The inspector is of the opinion that the 'theft' began with our new boiler installation. It went from a...
  10. F

    AA Advertisement

    Hi, what do you all think of that recent AA advert where the woman says to John Cleese "no need to call your COWBOYS" as there's water pouring through the ceiling as he looks through a paper "Il'l call the AA" she say's. I find this deeply offensive as they're implying that anyone found in the...
  11. P

    Illegal Gas Fitter Caught

    I'm sorry but after reading the below it seems that the fine is clearly not sufficient as its a lot lower than the training and registration costs it is to be Gas Safe I do not beleive in illegal gas fitting in any way shape or form but it has worked out cheaper for this Chappy! Illegal...
  12. G

    Collapsed drain (possibly)

    I fear i may have a collapsed drain outside my boundary. Am i responsible for cost of repair?
  13. K

    headache with bath waste fittings.....with photo's as always.

    hi guys, quick one i hope. im ready to fit my new bath, but have a issue regarding the waste pipe. the old one goes into the soil stack just infront of the bath, with what looks like pushfit connectors......this is better shown with photo's/ as it used to be with a 90 removed with...
  14. A

    Gas Flue to facia board proximity regs.

    Seeking some advice: I am in the process of buying a house. The property has had a new Combi boiler fitted this year but I am conserned about how close the flue is to the facia board (a section of the board has been cut away to fit the flue!!) Does anyone know the exact minimum distance...
  15. turnpin

    wc pan identy help required

    having a bit of bovver tracing the model type of a btw wc pan cannot even supply photo as mobiles banned at this establishment ... made by armitage shanks and has hard resin type strips fixed to rim of pan instead of conventional seat [photo would be great help if poss] bit cheeky I know but hey...
  16. G

    Source of Leak - end of tether!

    We have searched high and low for the source of this water leak. Can anyone suggest anything else it might be, what does it look like to those more experienced than us? This is an internal partition wall - no pipes run within it (we have cut hole in wall and taken skirting off as you can see)...
  17. E

    Average water use per person per day.

    I have a customer whos average water consumption works out at 616 liters per day. She is a pensioner and lives alone but sometimes grand daughter comes to stay. The UK average is 160l per day. I can find no leaks and the meter does not spin when no taps turned on. She does water the garden...
  18. W

    Been to quote on a job.

    Pushing my boundaries a wee bit but only on terms of scale, not skill. I would say. Prob need to buy couple of additions to the ol' power tools but if the job pays for them then that's fine. Prob is converting two steel pipes to copper. Have't worked with the stuff since college and don't have...
  19. B

    Hard to see....

    Hi all! I've been trying to find the cause of various leaks in plasterboard ceilings (new build property) and am fed up with cutting numerous holes everywhere to find the cause of the problem. I remember being on a site a while ago where another plumber was using a handheld video inspection...
  20. P

    pub toilets

    gotta go to a block urinal block, slab ones today landlord showed me last night and a spotted an access panel on the floor any one know how these come up? should have been left a bar or some sort or will i need my crow bar? its a typical red coloured hard wearing floor and the panel has...
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