Sunday, June 22, 2014

Lens on a crop lens camera?




Ralf


If I put a 50 mm 1.8 lens on a Canon D7 or a Nikon D7000, is it still 50mm? Even if the lens is a DX Lens for Nikon? I'm confused. Please help, thanks.


Answer
On a DSLR...forget all about the "crop factor", it doesn't mean anything. The only thing that matters is how the lens frames the shot you want.

If a camera has a 1.3x "crop factor" with the 50mm, it will frame like a 65mm lens would on a full frame camera. If the camera has a 1.6x factor, then the lens behaves like an 80mm....BUT the lens is still a 50mm. It is just a matter of using what gives you what you want.

For example, when I shoot I don't say "Well, I need the framing view of a 150mm lens on a full frame camera, so 150/1.3 is 115.384615mm". Instead, I just grab the lens that I know will give me the framing I want...or at least close to it. I MIGHT grab a 100mm (which would be a 130mm equivalent and take a step or two forward) OR grab my 70-200 and zoom until it frames how I want, but I don't bother looking at the lens guide to see what it shows...I look through the viewfinder and say "that's the shot I want.

What is the best brand of DSLR camera?




wolleybell


thanks...


Answer
Top brands of DSLRs are, in alphabetical order -

Canon, Fujifilm, Leica (BIG $$$), Nikon, Olympus, Panasonic, Pentax, Sony and, to a more limited degree, Sigma (who makes lenses for many different camera brands, but has entered the advanced camera market). All of these companies make high quality cameras with significant market position that means they are likely to stay in the business for the foreseeable future. Any of these would be a good choice and would usually be selected according to your preferences for features and particular style.

Check out the Digital SLR Guide web site for an excellent guide to selecting a camera. Keep in mind that the most important part of your choice is not the camera but the lenses because that is what will take the actual photograph. Plus, if you pursue this interest for very long you are more likely to replace a camera body long before you replace a lens.

http://www.digital-slr-guide.com/index.html

My personal favorite is Olympus because they offer excellent value for the money. They are a smaller but very innovative company however they use a system called Four Thirds (4/3) with a smaller sensor than most of the other brands and that has been an area of great criticism and controversy. IMO, Olympus has done an excellent job of engineering and been able to provide many innovative features with their cameras. They helped to develop amd then adopted the Four Thirds system, an open standard that any other camera company can use to make compatible products. So far Leica and Panasonic also make camera for this standard and Sigma also makes lenses for 4/3 cameras..

Olympus lenses are generally been among the highest quality products available in any given price range, particularly the less expensive "standard" grade lenses. (They make more expensive "High Grade" and "Super High Grade" lenses, too). My suggestion would be to look at the E-520 because it has a number of improvements over the earlier E-500 and E-510 models, primarily to improve image quality in difficult lighting situations

To look at some pictures made with Olympus (mostly E500 and E1) cameras and lenses go to my Flickr page here -

http://www.flickr.com/photos/robs-photo-memory/sets/

To understand the Four Thirds camera system you can get more information at these sites

http://www.four-thirds.org/en/index.html
http://olympusamerica.com/cpg_section/cpg_digital_slr.asp

There are also many avid user groups that can help you get the most out of any of the popular camera brands.

HTH. E mail me if you have specific questions.




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