Monday, April 21, 2014

Canon Camera Lens Help!?

Q. I have a camera from Canon. The model is EOS 20D (it's digital). I want to buy a new lens for it but I do not know which model lens to buy. I want a macro lens and I did find this one: http://www.amazon.com/gp/product/B0007WK8KS/ref=ord_cart_shr?ie=UTF8&m=AXMP0WYU19SSS

Would this lens work properly with my camera? Please help! Best answer = 10 POINTS! Thank you so much!


Answer
I would consider Tamron AF 18-200mm f/3.5-6.3 XR Di II LD Aspherical (IF) Macro Zoom Lens for Canon Digital SLR Cameras

Since the lens is designed exclusively for digital SLR photography, it provides high image quality in terms of resolution
It employs a new optical system designed to confine the changing angles of incidences of light rays reaching the imager over the entire image field.
Peripheral light fall-off is minimized when compared with that of conventional lenses
Complicated mechanisms are built in the compact body thanks to new mechanical artifices. The lens is a multi-purpose zoom lens,excellent portability
The Zoom Lock prevents unwanted barrel extension when carrying the lens/camera combination

Good Macro Lens for Canon Digital Rebel XSi 12MP Camera?




Thinkers


I just purchased a Canon Digital Rebel XSi 12MP Digital SLR Camera and wanted to be able to take closeup shots of ants and insects ect... so I purchased this macro lens from amazon http://www.amazon.com/Sigma-70-300mm-4-5-6-Telephoto-Cameras/dp/B000ALLMI8/ref=sr_1_6?ie=UTF8&s=photo&qid=1216258079&sr=1-6

However when I take pictures with the macro lens the ants and insects are still very small. What kind of lens or additional equipment do I need so that I can magnify the images more?



Answer
The lens you purchased isn't actually a true macro lens, it just has the ability to focus a little closer than other similar focal length lenses, so they add macro to the name. To do true macro with a Canon there is currently only 5 Canon made lenses.

EF 50mm f/2.5
EF-S 60mm f/2.8
MP-E 65mm f/2.8
EF 100mm f/2.8
EF 180mm f/3.5L

Of course you can always add extension tubes to get 1:1 magnification on your current lens, but it probably doesn't have the flat-field projection that true macro lenses have.

Of the 5 lenses I listed, I would only consider the last three. The 50mm and 60mm are good for documents, but not so much for photographing bugs. The 180mm f/3.5L is a great lens, but if your not ready for the expense and image quality of an L series lens you'll probably want to get the 100mm f/2.8. This is the macro lens I usually recommend for those just getting started in macro.

Finally, the MP-E 65mm f/2.8 can get up to 5x magnification. This lens has a lot of extension built into it. If you want lots of magnification, this is the lens for you.




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