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<blockquote data-quote="bluzman" data-source="post: 813961" data-attributes="member: 47800">Back in 2019, I bought a Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary lens for my D7500. It's a fine lens. Over time, I found that its weight (2.5 pounds) when hand holding was becoming an issue for me. In early 2022, I sold it to a friend who loved it on his D750. Meanwhile, I acquired a Tamron AF 18-400mm f/3.5-6.3 DI-II VC HLD. It's one pound lighter than the Sigma and I got some very nice images with it on both my D7500 and D500. I made the purchase with my eyes wide open, realizing that some design compromises were inherent in a lens with such a large focal length range. One of the things I noticed was that 2.5 stops of vibration compensation (VC) seemed marginal for shooting wildlife hand held. I'll admit that that may be on me but, nevertheless, I wanted something better.With that as a goal, a week ago I traded the Tamron to MPB for a used full frame Nikon AF-P FX 70-300mm f/4.5-5.6E ED VR. It's basically the same weight as the Tamron, and it's VR rated at 4.5 stops. When used on a <a href="https://www.kenrockwell.com/nikon/dx.htm" target="_blank">DX format camera</a> (the only kind of ILC I own), it's angle of view is that of a 105-450mm lens on an <a href="https://www.kenrockwell.com/nikon/fx.htm" target="_blank">FX</a> camera.</blockquote>

[QUOTE="bluzman, post: 813961, member: 47800"] Back in 2019, I bought a Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary lens for my D7500. It's a fine lens. Over time, I found that its weight (2.5 pounds) when hand holding was becoming an issue for me. In early 2022, I sold it to a friend who loved it on his D750. Meanwhile, I acquired a Tamron AF 18-400mm f/3.5-6.3 DI-II VC HLD. It's one pound lighter than the Sigma and I got some very nice images with it on both my D7500 and D500. I made the purchase with my eyes wide open, realizing that some design compromises were inherent in a lens with such a large focal length range. One of the things I noticed was that 2.5 stops of vibration compensation (VC) seemed marginal for shooting wildlife hand held. I'll admit that that may be on me but, nevertheless, I wanted something better. With that as a goal, a week ago I traded the Tamron to MPB for a used full frame Nikon AF-P FX 70-300mm f/4.5-5.6E ED VR. It's basically the same weight as the Tamron, and it's VR rated at 4.5 stops. When used on a [URL='https://www.kenrockwell.com/nikon/dx.htm']DX format camera[/URL] (the only kind of ILC I own), it's angle of view is that of a 105-450mm lens on an [URL='https://www.kenrockwell.com/nikon/fx.htm']FX[/URL] camera. [/QUOTE]

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