This lens can also be used as a portrait lens since it is very sharp and it is at a focal length that is flattering to your subject without any real lens distortion occurring.
There are two cons to this lens that pose a problem. The first is sort of the nature of the beast and deals with a shallow DOF (depth of field) even at higher apertures. I noticed it when I first got the lens. I started off at like f/5.6 or f/8 with flowers but noticed that the foreground leaves were still out of focus. Sure the part of the flower I focused on was 100% sharp but the DOF fell off way too soon IMHO. To combat this and get the photo that I wanted (i.e. ALL petals in focus) I had to set the aperture to f/11 or f/16... That is great and all but you need a boat load of light at times in order to get these shots. I worked my way around that by using my speedlight to compensate for the loss of light. f/11 is totally doable with a speedlight if it is very, very close to your subject. This is also where the VR (vibration reduction) comes in handy to achieve sharp images even at slower shutter speeds.
The second issue I had with the lens is that it is slow to auto focus. This lens works best when you set your focusing distance and physically move yourself and the camera back and forward until you achieve the sharpest focus. I noticed that this was a pain with a tripod!
Now imagine the trouble I had to go through to get this photo:
These bats were all huddled up and hanging on the wood rafter in a historical building in the Smokey Mountains. There was no light whatsoever. I had to have my associate hold up my iPhone to give me something, anything to illuminate these little critters. That gave my camera enough light to detect the contrast necessary to acquire focus. I had my SB-900 speedlight mounted on my camera and it was pointed directly behind me so it would hit the wall behind me and lit up the little guys... I got a couple good snaps off before I looked down and checked out that bat guano that I was stepping in. Anything for the shot right?
So back to the review. The 105mm VR is a very nice (and ridiculously sharp) lens. Remember that photo above? Well here is a 100% crop of the little bat off to the bottom right of the frame.
Yeah THAT'S sharp!
Is is necessary for 99% of the work people do? No... Well unless you photograph flowers and bugs for a living then consider yourself in the 1% range. I personally do not use this lens for portraits often. I bring it out for weddings and baby portraits to capture details. Wedding ring shots work great with the 105mm and I can get those little baby details with this lens as well. Little ears, hands and feet. The other times this lens comes out is when I do the flowers and bug photography.
It is a great lens and I would definitely recommend it.
Mike
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