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To start, saying that "professional photographers use DSLR[s]" is a bit of an over-generalization. It is not too far from the truth, though, to say that professionals rarely use fixed-lens compact cameras (which I'll use in preference to "point and shoot" here; I'll explain that later), but even that depends on what you mean by "rarely". To a degree, it also ...


2

It's probably a glass filled polycarbonate. Composite materials like this get the benefit of the two different types of materials used to make it - it benefits from the polymer matrix as well as from the glass. According to the bottom link the glass improves impact, moisture, and chemical resistance of the polycarbonate. Google Patents Patent 4,247,600 ...


1

Yes. However, linear polarizing filters can have some of the following implications for your camera: May affect in camera metering May affect auto-focus functionality May the low-pass filter in front of the sensor For the first two issues you could meter externally, check the image histogram, and focus manually. If the last point is an issue for your ...


1

Current Canon bodies are made of anything from glass filled polycarbonate, to the same kind of engineering grade plastic that the light boxes of all current DSLRs, including the flagship models such as the Canon 1D X and the Nikon D4 are made of, to magnesium alloy. Canon pioneered the use of glass filled polycarbonate materials in cameras way back in the ...


1

I think the options are pretty straightforward. Stick With 4/3 While the system is pretty much dead and no longer growing, you could, with your budget, still find a used higher-tiered and newer body than the E-510. The E-450, E-520, E-600, E-620, E-30, E-3, and E-5 are all bodies that came out after your E-510 and could offer sensor improvements as well ...


1

This article on 4/3 Rumors about the future of 4/3rds is two years old now, but everything said is still true. Although no one has officially turned off the lights and locked the door, the original Four Thirds system is defunct, with both big players (and for that matter, smaller ones like Kodak licensee JK Imaging) supporting the mirrorless camera system ...


1

point and shoot cameras are, by definition, rather bad cameras because you have very limited choice for the camera settings; the camera will make the choices for you, or these are fixed. In addition, the optics and the sensor are typically of poor quality. DSLR cameras allow you to be in charge of the camera when taking a shot, instead of the other way ...



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