| Joined: | Mon Apr 2nd, 2012 |
| Location: | South Lakeland, UK |
| Posts: | 4066 |
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I think it may be a 28mm f2.8 but the numbers are very out of focus. The rabbits ears are for the very early aperture link to the auto exposure. You can ignore the rabbit's ears, unless they foul on the body in which case unscrew them, but don't throw them away.
This lens is almost certainly an AI or AIS because of the ridge which stops just behind the f16 mark about two thirds of the way from f11 to f16 which would be correct for an f2.8 lens.
I notice it has a mark for focus correction for IR (infra red), not sure if it's a good performer though, I would have to look it up. It's MF (manual focus)
Regarding fitment, I don't think it will be much use on the D7000 because it won't meter with that lens I don't think. The D300 on the other hand has a list of lenses which you can select from in the menu, select 28mm, OK, then select the aperture, in this case 2.8, OK that then it should meter and record the lens details on the EXIF of each image made with that lens.
It was part of the f2.8 non zoom lens program that Nikon produced over many years. MAY even still be available. Not very popular because of the MF and not being zoom.
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Robert.