Well i have had my mk3 for 3 weeks, at first using it on genral type shots i was very pleased 1 shot was great and never missed and a few trys with A1Servo gave some stunning shots too .
Then i took it to and airfield to catch some jets landing ,it was a clear blue sky and the sun just right for...
EF mount; super telephoto lens
Fluorite and Ultra-low Dispersion-glass;
Full-time manual focus
300mm focal length
f/2.8 maximum aperture
UltraSonic Motor (USM)
Lens Construction 17 elements in 13 groups
Closest Focusing 2.5m...
For a 300mm with IS this lens is really good and works well with a 1.4tc although the af is slower and a slight fall off in sharpness is aparent that said this combo can give very good results and moreso at the lower shutter speed that IS alows therefor i would rate this higher than the 400f5.6L...
This is one of canons great lower price L tele\'s.
its sharp wide open and the af is very fast indeed very light and a great birding lens .
here in the UK we dont get that many bright sunny days so f5.6 is a little slow given you need a fast shutter speed to avoied camera shake but it can make...
i have had this lens now for around 3 months
and one thing iv noticed is that it makes you want to take more photo\\\'s simply becasue it bring\\\'s those shot to you that other smaller lenses dont alow, the end result of this is that you end up with some rather nice photos and thats what...