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Forum: Troubleshooting and Beginner Help
06-26-2018, 04:49 PM
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Hi @BillyCooper, welcome here.
Earlier forum members already sum up pretty well there. It really depends on what you are trying to take.
For example me.. I like and I shoot 99% urban landscape at night, so I buy lenses based on its sharpness and starburst effect. A lens with a large aperture, well perform wide-open and beautiful out of focus area are a good to have but not a must if it too expensive. I value starburst effect way-way more than creamy out of focus area. If you like to do portrait or anything require creamy out of focus area, you might want to look at something totally different from me.
So “I think”, don’t buy lenses because it perform well at f22 or because it has the largest aperture and a review said it perform well wide open.etc
Ask yourself what kind of images you want first. Then find a lens that can deliver the best result for that particular effect you want.
And keep in mind, there is no such magical lens can do well at everything.
By the way, even I upset with sharpness when doing night urban landscape, and knowing smaller aperture setting can give good-looking starburst effect, I don’t remember I ever use f22 even on a tripod at night. I test and pixel peeping at all of my lenses to find out its sweet spot. Most of my lenses produce best image quality from f8 to f11 (no surprise here). Some lenses doing better at f4 (but I will loose nice looking starbursts). Then I can see decreases in overall image quality when go smaller than f16 and onward. (Again no surprise here too.) f22 definitely gives me less of everything when compared with let say f8 to f11. So another point is make sure you know where is the sweet-spot on your lense and happy shooting.
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