Great! The camera arrived yesterday as opposed to this Saturday. Seems to be working fine, focus included. Couple of minutes ago I wanted to test with some macro shots and I installed a 105mm DG Macro EX Sigma lens. The camera would not turn on. I tried the lens on my D200 and it worked as usual.
>Couple >of minutes ago I wanted to test with some macro shots and I >installed a 105mm DG Macro EX Sigma lens. The camera would >not turn on. I tried the lens on my D200 and it worked as >usual.
Ensure the Sigma is fully seated - clicked firmly into position. When you are actually turning on the camera, make sure your support hand is not touching the lens release button. Some D7000 owners have reported that the lens release button assembly has a very sensitive contact point.
There are a number of reports circulating, including here on Nikonians, of problems with that particular lens and the D7000, including the problem you have described. Sigma has been coming up with fixes for a number of compatibility issues between their lenses and the D7000 - most having to do with live view focus incompatibilities though. I recommend you call Sigma and ask about your lens. I expect they have fix, but you will probably have to ship your lens off to them.
It's not unusual to have to send lenses off to Sigma for upgrade when Nikon comes out with a new camera. I had to do it with both my 50-500 and my 800 when I purchased a D200.
I really wish Nikon and Canon would release at least a limited SDK and HDK for their DSLR bodies. I am not suggesting the Nikon or Canon give away proprietary secrets just to satisfy prurient consumer wants. But charging a license fee to Sigma and Tamron and Tokina in return for a limited amount of information - at least enough to help all three makers get the spec right - would benefit consumers as well as Nikon and Canon.
>I contacted Sigma via email and got a next day response. I >get to send the lens for software upgrade and, if that is all >that needs fixing, I only pay shipping. > >Not bad, but it is somewhat irritating to have to go through >this.
Not bad - true enough. But Sigma is not earning a confident D7000 owner as a lens customer, unless I miss my guess. The competitive price of the Sigma macro is just a little bit less competitive after adding the cost of shipping, the owner's time to pack and ship the lens and the amount of time the owner won't have the lens, all to get the lens to work with a new Nikon body. Sigma knows full well that the lens owner has to pay for shipping in the absence of any alternative. I think Sigma should at least offer an RMA and a coupon for UPS or FedEx or USPS/Canada Post (or whatever) which covers a proper shipping box, proper padding and the cost of shipping.
My point is that the D7000 is not some bizarre new camera body and the Sigma 105 macro is not a rare lens. Third-party makers cannot reasonably expect us to be confidently enthusiastic about their products if body compatibility issues end up costing us money.