Cheapest AF Prime
If you want 28mm, then the only new one is the Sigma 28mm F1.8 at around £330.
Second-hand, you could try and find the Pentax F28mm F2.8 or FA28mm F2.8.
However, it may take a while in finding one for sale.
Apart from that, there is not a lot, apart from spending a lot on the FA31mm F1.8 Limited.
Some Cameras
Otherwise, the 31mm is the closest you can get without going to second hand lenses, which is not very good news I guess in terms of cost.
Best regards, John
There is only one new prime that has AF and although it is not 28mm, it is the DA35mm F2.4. New it is around £130-£150.
If you want 28mm, then the only new one is the Sigma 28mm F1.8 at around £330.
Second-hand, you could try and find the Pentax F28mm F2.8 or FA28mm F2.8.
However, it may take a while in finding one for sale.
Apart from that, there is not a lot, apart from spending a lot on the FA31mm F1.8 Limited.
If you can go slightly wider, the 24/2.8 Sigma af is good, but screw drive af is slow and noisy, near focusing is good. Use with a hood.
mdc
Member
UK