Torn Between The Sigma 70-200 and Sigma 150-500 lens

Started Apr 10, 2014 | Discussions thread
SMPhoto Senior Member • Posts: 1,024
Re: Torn Between The Sigma 70-200 and Sigma 150-500 lens

JTC111 wrote:

austinspeer810 wrote:

I am debating on whether to get the sigma 70-200 lens or the 150-500 lens. I understand the focal lengths and low light capabilities of each. I want to attempt some birding but I think getting a lens SPECIFICALLY for birding in my situation being a college student, I would rather get a lens that works for both. I know the sigma 70-200 does not reach as far as the 150-500 however, using a Canon 70D and the possibility of purchasing an extender of 1.4 making it 3 times the focal length would make the 70-200 a 210-600? Maybe I have that part wrong.

It seems to me that the 70-200 would be mostly redundant for you since you already own a 24-105. By adding that lens, you'd gain the 105-200 range but have nothing beyond that. Adding the 150-500 leaves a hole in the 105-150 range, but considering what you're adding, it seems like the better trade-off.

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Jim Caputo
"Red hair and black leather, my favorite color scheme" - Richard Thompson

I don't see 70-200 and 24-105 as redundant at all. 70-105 is hardly any overlap at all. THe 24-105 is redundant to the 24-70 which is meant to complement the 70-200. ALso, the 24-105 is not 2.8, so the depth of field possibilities are vastly different between 200 f2.8 and 105 f4. To me, a 70-200 2.8 is an indispensable lens in the bag and certainly a worthy investment for someone with only a normal range zoom. That said, it is short for birding, and I'd have to consider looking at the Tamron 70-200 2.8 based on reviews (or a used Canon) before I settled on the Sigma. i wouldn't bother with a 1.4x though since one good enough to not degrade resolution as much or more that just cropping and enlarging would is going to cost as much as a 70-300 4-5.6 (though smaller and lighter to carry around if 70-200 2.8 is in bag either way. There's no perfect answer for what you want to do, everything has some trade offs, but if birding isn't a huge priority, it's start with 70-200 2.8 and get a longer lens down the road. If it is, then look at the new Tamron 150-600 VC.

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