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Within some fairly broad parameters, I think you will find that you largely get what you pay for. Like everything in photography, it is a matter of finding which set of trade-offs works best for you.
There are excellent zoom lenses at quite reasonable prices, but they are either very slow - f-4.0->f-5.6 - of limited range, or in the case of third-party lenses, in mounts that work fine as long as you own a set of jewellers screw-drivers and give it frequent attention. There is no free lunch.
If you want a highly corrected zoom with ED glass elements and a non-variable aperture, you will pay for it. While top primes may still outperform top zooms on an optical bench, in the field and on the print, you probably will not see the difference. They combine excellent quality, good light gathering power, versatility and high cost.
If you are into available darkness photography, f-1.4 has not yet come to zooms. I don't recall any that are faster than f-2.8. For a given range of focal lengths, a f-4.0->f-5.6 will also be a whole lot smaller and lighter than one that maintains a constant f-2.8 across the range.
There is no free lunch.
larry! http://www.larry-bolch.com/ ICQ 76620504
There are excellent zoom lenses at quite reasonable prices, but they are either very slow - f-4.0->f-5.6 - of limited range, or in the case of third-party lenses, in mounts that work fine as long as you own a set of jewellers screw-drivers and give it frequent attention. There is no free lunch.
If you want a highly corrected zoom with ED glass elements and a non-variable aperture, you will pay for it. While top primes may still outperform top zooms on an optical bench, in the field and on the print, you probably will not see the difference. They combine excellent quality, good light gathering power, versatility and high cost.
If you are into available darkness photography, f-1.4 has not yet come to zooms. I don't recall any that are faster than f-2.8. For a given range of focal lengths, a f-4.0->f-5.6 will also be a whole lot smaller and lighter than one that maintains a constant f-2.8 across the range.
There is no free lunch.
larry! http://www.larry-bolch.com/ ICQ 76620504
D
daniloj
Thankyou Larry!
Now I have more clear ideas!
Now I have more clear ideas!