Just 6 blades. I think its a pretty bog standard lens.
Unfortunately, it won't be too wide angle, as I'm going to use it on my EOS 500D (via an adaptor, when it arrives). The crop factor means it will be approx 45mm equivalent. I do also have a Pentax ME Super which I bought on ebay a couple of years ago (just to play around with really), so it will work fine on that as a 28mm lens.
I also have the cheap Canon EF 50mm f/1.8 lens which I bought a few years ago to use on my EOS 3000V. I enjoyed using that and it pretty much replaced the zoom lens which I used. In fact, since getting the 50mm, I hardly used the 28-135mm zoom which I had. Then since I got the digital camera, I found the 28-135 to be less useful on that due to the crop factor, so I sold it on ebay a few weeks back.
So for the digital camera, I'll probably use this manual 28mm lens most of the time (I don't mind things being manual), and then keep the 50mm and the kit 18-55mm IS as extras.
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Harrison, just wondering, do you have a flash gun?
I'm pondering buying one as I've wanted something better than the built in flash for quite some time.