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Cameras

Whether it's a photo of a new baby, a wedding or a day at the beach, cameras help us record and remember life's memories. Ask questions about the camera's history and function here.

6,430 Questions

Is there a percentage over the speed limit on the gatso speed camera before it activates?

Research shows that you can go a few mph over the limit without being caught by a speed camera.For instance, if the limit is 35mph and you are driving at 37mph you would get away with it. You can get away with being around 1-4% over the limit which, although isn't that much, is better than being caught for going 1mph faster than the limit.

Do they make digital cameras with manual apertures that are not SLRs?

Yes .... The Olympus C-8080. [Spelvin adds] Canon currently has more than 10 models in production that have that feature. All of them have shutter priority as well.

Panasonic (with Leica lenses!) has more than 6 models, in the FZ series.

Sony currently offers the H5, H7, and H9. Fuji has the s8000 fd. Kodak currently has more than 10 models with an aperture priority option. If you choose Kodak, be sure to select a model that has the Schneider-Kreuznach lens. Additional entries: Samsung NV11 and NV20. (Both have a Schneider-Kreuznach lens.) Fujifilm E900. --------------------------------------

Answer Yes, Canon does: - mine is a 'Powershot' A710IS, and Canon makes others as well.Also, as far as I know, they are also the only ones who currently make manual/aperture priority/shutter priority cameras that have VIEWFINDERS as well. Check it out. -------------------------------------------------

Why is the depth of field greater and the image sharper when a camera lens is stopped down to a larger f-number?

See the answer to "Why do you get a greater depth of field from a smaller aperture"

There's also a great article on it at: http://www.uscoles.com/depthoffield.html

How can you spot a hidden camera?

Improve

You can use a Camera Lens Detector, such as a

Spy WiFi Signal and Camera Lens Detectoror a Wireless Signal Hidden Camera Detector Scannercould help you to find it.

Source: http://www.outdoz.com/security-systems-alarm-detectors-c-23_24.html

What is the importance of photography to a graphic designer?

As the saying goes, 'A picture is worth thousand words'; therefore as a visual communicator, photography is essential to the graphic designer in diverse ways since images if well photographed and even manipulated can mean a lot in communication as far as aesthetics is concerned.

How many mega pixels should a camera have if you want to be able to print at least a good quality 8x10 photo?

Pixels are tiny building blocks of color in an image; the more you pixels there are, the more detailed the image will be. A mega-pixel is a set of one million pixels; most DSLR cameras have a range of around 10 megapixels up to a mind-blowing 50 megapixels.

How many mega-pixels you have is not really the most important factor in getting good images, though. It sure is quite important in getting sharp images, but even more important is the lens, or "glass" that is used. For example, a camera with twelve megapixels paired with a very good quality lens will often have more detail than that of a 24 megapixel camera paired with a cheap lens. This all comes down to a factor called "Perceptual Megapixels," or "P-Mpix" for short.

Let's get this out of the way now- you will almost certainly never get all of the detail out of your camera sensor that it is capable of. A typical DSLR today has somewhere around a 24 megapixel sensor, but with the kit lenses that come with them, you only get about 9-13 perceptual megapixels of detail (Now you get it!). To get an image with a higher P-Mpix count, you have to use higher quality glass (lenses).

Sharpness can also be affected by factors like shutter speed, aperture, or ISO settings. If the shutter speed is not high enough on the camera, the image can be subject to motion blur. Aperture is also a very large factor in image sharpness. The aperture controls how much light enters the lens, and also the depth of field (the part of the image in focus). At apertures wider than about f/3.2, the image can become unsharp, and at apertures narrower than about f/7.1, the image can be subject to diffraction, which degrades sharpness.

Does Polaroid still make cameras?

Yes Polaroid still makes cameras however they differ from their old film models. In fact, the cameras that they make currently are strictly digital. With 75 years of experience, today the company produces extremely competitive and high quality digital camera products.

How do you hook up surveillance camera to PC?

If you are connecting to a Remote PC or DVR recorder with security cameras connected to it then you would need to know the IP address of the DVR location. After you figure out the IP address for your security cameras you would need to login to the router at the security cameras location and forward the Port Number. Feel free to email me at herbiethehelper@911securitycameras.com http://www.911securitycameras.com

How can you make a digital camera's batteries last longer?

If you want any batteries to last longer then put the batteries in your fridge and that helps them to last longer!!

Who has the cheapest polaroid camera film?

First,I would check Craigslist under camera and photo.You can also check out sites that specialize in selling secondhand items,including photo equipment and supplies.This would include Ebay and Etsy.Amazon.com would also be a good place to look.

How does the lens on a digital camera change the apparent depth of an image?

"Depth of an image" as you call it, is usually referred to as "depth of field". This is purely a function of the physical aperture size used at the moment the picture is taken at a given distance, and is not limited to digital cameras. However, if your question is more about the spatial relationships between objects in the scene, this is called "perspective" and is controlled by the distance from the object to the observer. Contrary to what some people believe, focal length does not control or distort perspective (although short focal lengths can introduce linear distortion).