Bryan Carnathan has very good reviews of lenses for Canon cameras. The Canon 75-300mm f/4-5.6 III USM lens is not very good. Bryan found that the images it produces are very soft (fuzzy)–really terrible. I expect that you would be very disappointed with that lens. It seems to be a $200 paperweight.

The Canon 70-300mm f/4-5.6 IS USM lens, on the other hand, seems to be considerably better. (It should be, as it’s 2.5x the cost.) Read Bryan’s review for more information. (I’ve not used either lens.)

If you’re after image quality, the non-IS version of the Canon 70-200mm f/4L lens is exceptional. it costs a bit more than the 70-300mm lens and does not have image stabilization, but the image quality is far beyond the cheaper lens. It’s also a stop faster at the top end than the 70-300mm and can use the Canon 1.4x and 2x converters. I use the 70-200mm f/4 L IS lens for outdoor horse shows and get superb results. (I originally got the non-IS version and upgraded later.)

Sigma makes a 70-300mm lens for Canon cameras with similar basic specs to the Canon 70-300mm, including optical stabilization, that is cheaper than the Canon lens. Bryan doesn’t have a review of that lens but you should be able to find reviews online with a search.

i just thinking to buy 55-250mm or 70-300mm or 75-300 mm lense ,….so among these which lense have good pretty image taking ability to take long distance pictures ….if you can suggest me anyother it can help me look around the lense and may see it

Those are two great choices. Your next step could be on either end of that range. For example, the Canon 70-200 f4L, especially the IS version, is one of the best zooms in that range, period (as long as you don’t need the extra stop the f2.8 lenses offer). It’s also pretty lightweight and easy to handle. There are lots of other zooms in the 70-300mm range, but that’s one of the best. (The non-IS version is also Canon’s cheapest “L” lens.) It can also be used with Canon’s 1.4x exttender. (The 2x extender works, but the quality drops off and you’d lose autofocus unless you have a 1D camera.)

If you want to do nature photography, you might consider the Canon 100-400mm L lens, Sigma 120-400mm, etc. Both of those can be used with 1.4x extenders (Canon and Sigma, respectively), but, unless you’re using a 1D or 1Ds, you’d lose autofocus with the extender.

I agree with your recommendation to Bob.

My major concern wasn’t with f1.4, as I usually use it at f2, but autofocus speed. The 50mm f1.4 has an Ultrasonic Motor (USM); the 50mm f1.8 does not. The difference is very noticeable when trying to shoot galloping horses, especially as they can be moving toward/away from the camera. There’s also some difference in image quality, but probably not $300+ worth! (I bought the 50mm f1.4 including hood for $335 on eBay.)

FWIW, the “Nifty 50″ is now $120-135.

“Seriously, no matter what lenses you have, the 50mm is a *must* *have* for it’s amazing value for just $100.”

Or, one should have an even better 50mm lens, like the Canon 50mm f1.4. I use it at indoor horse shows, mounted on a Canon 30D. I also have a 50D with a Canon 70-200mm f2.8L. Often, there are two “lines” for the games (e.g., pole bending). As I shoot from the stands, one line is a lot closer than the other–too close for the 70-200mm lens. If the light is good enough, I’ll use my Canon 17-55 f2.8 IS on the 30D, but the camera is about 1 stop slower for similar quality than the 50D, so I will often put on the 50mm f1.4 and set it at f2. (Before I got the 50D, I was switching between the 50mm f1.4 and an 85mm f1.8 or 100mm f2.)

I bought the 50mm f1.8 first, of course. I now need to pass it on to another aspiring photographer who needs a good, cheap, fast lens.