Forum: Pentax SLR Lens Discussion
12-07-2018, 06:01 PM
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I used the Sigma 50-500 that belongs to a friend on several occasions and i find it to be a decent lens but the image quality seems to drop quite a bit at the long end and don't forget it is a very large and heavy lens so it isn't something you'll want to carry very long. Everything is a trade off, more reach = larger lenses and one must be willing to sacrifice some image quality for a zoom lens.
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