martinfisherphoto wrote:
I'm going to throw my two cents in and it's all from experience. Sharpness on static subjects, is not really a complete test for any type of wildlife/birding lens. How the camera reacts to fast focusing and even harsh lighting conditions/lens coating/ really tell the whole story. A lot of these lens tend to lose Detail under fast focusing conditions. If we are talking the best bang for the buck, then I'm in the wrong conversation. I'd rather pay the extra money to get the best possible finished product. I'm not trying to step on toes here, just voicing an opinion. I see many folks running out to buy either lens expecting miracles. It's how close you get, it's about the perfect light , it's about the focusing in a Split second. For slow moving large animals, these lens may be the best for the buck out there, but for BIF and fast moving prey, I don't think they can handle the job.
I'm going to throw my two cents in and it's all fr... (
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Maybe you have £8000 + to throw around or do Canon /Nikon just lend you these expensive lens, most of us lesser morsels have to be content with some what less expensive glass and we or some of us , consider ourselves fortunate to be able to capture images of wildlife and sports that a few years ago were beyond our meagre budgets and our short lens.