Sometimes it’s really easy to tell the difference between Pro and Consumer equipment

March 14th, 2009
by Josh Zytkiewicz

Like today for example.

Today I did a shoot with Angela and Jeff.  It was the first time I used my 70-210mm lens.  I’ve had this lens for a few years, and I’ve done a few test shots with it, but never actually used it.  I forgot I had it for a while and just recently rediscovered it.  Anyway it has a maximum aperture of f/4-5.6.  For those of you that don’t know aperture describes the size of the hole inside the lens.  The larger the hole, the smaller the number.  My usual lens is an f/2.8.  An /f2.8 lens allows four times as much light as an f/5.6 lens.  This is important because shooting in the Capitol like today I was today, there isn’t that much light, which means long shutter speeds, which means it’s harder to get a sharp picture, especially with a telephoto lens like the 70-210.  I got some good pictures, but I know that I could have gotten better ones with a better lens.

Unfortunately, lenses that let in more light, are more expensive.  A lens like I was shooting with today can be bought for $100 to $300 dollars.  A lens like I need, 70-200mm f2.8 is $1,800.

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