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Title: I Can't Decide between these 2 Lens's Post by: bogino on March 29, 2009, 08:41:20 PM I'm trying to decided between the following 2 lens's:
The Canon EF 300mm IS which sells on average for around $1200. The Canon EF 400mm f/5.6l which does NOT have IS and also sells around $1200. The one has IS but the other has a longer zoom. My main purpose for using this lens would be for wildlife photography. Would appreciate any comments or feedback to help me decide. Thank You. Title: Re: I Can't Decide between these 2 Lens's Post by: Bob Atkins on March 29, 2009, 09:48:31 PM The EF 400/5.6L USM (http://www.amazon.com/exec/obidos/ASIN/B00009USW3/bobatkinsphotogr) is preferred by "bird in flight" photographers because of the fast AF and long focal length. Since fast shutter speeds are needed to freeze the wings anyway, the lack of IS isn't a big deal.
Personally I prefer the EF 300/4L IS USM (http://www.amazon.com/exec/obidos/ASIN/B00009R6WW/bobatkinsphotogr)for general wildlife work, since you can always add a 1.4x TC and get a very good quality 420/5.6. AF with the TC is somewhat slower than the 400/5.6L, but it's still fast enough for most subjects. The faster aperture of the 300/4L IS is useful too when working without a TC and of course the IS can be very useful indeed if you're working without a tripod. If I could have just one (relatively) inexpensive telephoto prime for general wildlife work, I guess it would be the 300/4L IS USM, though I'd certainly also consider the EF100-400/4.5-5.6IS USM (http://www.amazon.com/exec/obidos/ASIN/B00007GQLS/bobatkinsphotogr) too if the slightly higher price wasn't an issue. See my review of the EF 100-400IS (http://www.bobatkins.com/photography/reviews/ef_100_400_l_is_review.html) for some comments on a comparison with the EF 300/4L |