Originally posted by Nesster K 28/3.5 = 9.05 (AFAIK this is the same as the SMC Takumar, but with K mount, and rare/cool)
No - 8 elements vs. 7, and a different minimum focus distance. If I remember right, they look a lot different side by side, but it's been a while.
I think about the K28/3.5 in particular when user opinions are mentioned. My copy was maybe a 5. I've used maybe ten different 28mm lenses, have six now, done some comparative testing, lots of buying and selling, taken actual photos, and someone might conclude that my opinion is useful. In this case, it's not. I am pretty sure either my copy was bad or I was just totally wrong about this lens, and others must be right. If I reviewed this lens, mine would be the one to chuck out.
Overall, the reviews aren't perfect but they are more useful than any other user review on the internet.