Saturday, April 26, 2014

Help on DSLR Camera and Lens Specs?

Q. Which specifications I should look for to buy a DSLR Camera and which lens I need.
I am going to use it to take pictures to print and sell.


Answer
There's no way to tell you which camera you should get without knowing what you are going to use it for, what type of pictures.

If you are clueless, get any entry level DSLR with a kit lens. All DSLRs are good, in the right hands. All are capable of taking images good enough to print and sell.

How to read DSLR Lens specifications?

Q. Canon EF 75-300mm f/4.0-5.6 III USM Lens

Can you explain every thing?


Answer
The Canon EF lenses can be used on both full frame Canon cameras (35 mm, 1D and 5D cameras) EF = "Electro-Focus"

f/4-5.6 is the widest aperture of the lens at the minimum and maximum focal lengths

When a lens has an "L" in its name, the L means that the lens is one of the "Luxury" lenses which has more exotic lens elements which reduce the amount of ghosting and flare withing the lens. Fluorite and UD elements

USM is Canon's fastest and quietest auto-focus in lens motor system (Ultrasonic Motor)

III means that this is the third iteration of that lens design

To see what the filed of view of the focal lengths from 75-300 mm, look here

http://imaging.nikon.com/lineup/lens/simulator/

NOTE: The Canon 75-300 mm is NOT the preferred zoom lens. Look instead at the Canon 70-300 mm.




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