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<blockquote data-quote="BackdoorArts" data-source="post: 233138" data-attributes="member: 9240">I'm using LR 5, but I'm assuming the lens profiling hasn't changed much, so the distortion correction should be in LR4 as well, and possibly 3.6.&nbsp; The Automatic perspective correction was introduced in LR 5 and is one of the main reasons I upgraded.It is the DG version, but remember &quot;DG&quot; is Sigma's designation for &quot;Digital Glass&quot; (whatever that means) and is often confused with &quot;DC&quot; which is their cropped sensor designation.&nbsp; I'm shooting full frame with it, which is the primary reason I purchased it - I'd been using the Rokinon 8mm DX fish before that.&nbsp; It was listed at just under $600 when I purchased it, but I had bonus dollars from B&amp;H at the time so it ran me less than that.&nbsp; My only criticism of it thus far is that it does not have an AF/M switch on the Nikon version of the lens as they do on the Canon and Sigma mount versions, so I have to use the one on the body.&nbsp; AF is a little noisier than I'd expect as well, but I'm picking nits.</blockquote>

[QUOTE="BackdoorArts, post: 233138, member: 9240"] I'm using LR 5, but I'm assuming the lens profiling hasn't changed much, so the distortion correction should be in LR4 as well, and possibly 3.6. The Automatic perspective correction was introduced in LR 5 and is one of the main reasons I upgraded. It is the DG version, but remember "DG" is Sigma's designation for "Digital Glass" (whatever that means) and is often confused with "DC" which is their cropped sensor designation. I'm shooting full frame with it, which is the primary reason I purchased it - I'd been using the Rokinon 8mm DX fish before that. It was listed at just under $600 when I purchased it, but I had bonus dollars from B&H at the time so it ran me less than that. My only criticism of it thus far is that it does not have an AF/M switch on the Nikon version of the lens as they do on the Canon and Sigma mount versions, so I have to use the one on the body. AF is a little noisier than I'd expect as well, but I'm picking nits. [/QUOTE]

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