Is the 12-40mm good enough to forego 12mm, 17mm, 25mm and 45mm primes?

Started Mar 13, 2014 | Questions thread
(unknown member) Veteran Member • Posts: 9,509
Re: Is the 12-40mm good enough to forego 12mm, 17mm, 25mm and 45mm primes?

rickreyn wrote:

I really don't like changing lenses (a bit clumsy with these kinds of things in the heat of battle), because that also means I need a bag, and using a sling and the grip, I've got two batteries, and I don't seem to feel the tension that I need a brighter lens, or longer lens hardly at all, unless I'm going to shoot sports, etc. Further, the entire kit is weather-proof. I know prime lenses will be better in low light and sharper (perhaps?), but I am really thrilled with the 12-40mm, and I don't really know what I'm missing. Frankly, I've not owned a better lens, and the coveted ranges of 24mm, 35mm, 50mm and 80mm are covered. So, outside of what little additional range the 45mm will give me, or what the Sigma 60mm or 75mm will give me, I seem to be well covered, knowing that I have the 40-150mm lens in my hip pocket, while not as fast, appears to be a pretty good lens. So, all my endless contemplation re: what one prime do I get to wow people or myself, I'm now not so sure it's necessary, mainly because this time I didn't scrimp and got the really good all-in-one never-take-it-off-the-camera "pro quality" constant aperature lens.

My question--or maybe my observation is this. Is the 12-40mm lens good enough to forego primes, and is the 40-150mm good enough to cover the rest?

Ergo am I'm least for now! Sages weigh in. Thanks.


The reason to prefer primes is if you want a faster lens or specialized in the case of a macro lens or specific focal length lens outside the range....EG 75.

I understand the 12-40 is sharper at 12mm 2.8 than the 12 f2 (which is a nice lens in itself).

Actually, for a lot of people even, the many varieties of kit lens are good enough to replace primes in their respective focal lengths but are just slower still.

I know that my Oly kit lens 14-42II is plenty sharp enough (especially with flash behind it) when a faster aperture is not needed...and of course the 12-40 is a much better lens.

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