Sunset in Kruger

by MrFrench

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This article from Roger Cicala gives a good overview: Coating Each interface between lens elements reflects light. It's not much, but because modern lenses are made up of many elements, the light that reaches the camera can be reduced dramatically. A coating on a lens element reduces the amount of reflected light. That means more light reaches the camera. ...


I have noticed that most of the parfocal lenses have zoom ratios of 3:1. Maybe this holds the answer: in my study of photography, lenses that have a zoom ratio of 3:1, 2:1, and 1:1 have better quality compared to higher lens ratios, because they produce less chromatic aberration. In my opinion, parfocal lenses have are better since their aberration is less ...


The difference is pure elitist semantics. I know many photographers that are better photographers than I who say "make" photos and never say "take" photos. This is pure jargon, and while their quality is better than mine, they are not making something while I am simply taking something. If you and I both had a garden, using the same techniques, and my ...


Low price, large zoom range, good image quality - pick any two. Or in other words, a superzoom doesn't necessarily have poor image quality, but then you really have to pay for it. I have a Sigma 50-500 which has pretty good image quality, but then it cost around €1400. As you can guess from the Wikipedia article, there isn't any clear cut rule for when a ...


There's no binary characteristic which says "this lens is a superzoom lens, it has poor image quality". As the zoom range of a lens increases, it's image quality will decrease all other things being equal (which they never are). If you want the highest image quality, stick with primes. If you're prepared to compromise a bit for convenience, buy low zoom ...

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