Hello,<BR><BR>Prior to buying the Canon A750 IS, I saw in a review that it had mild barrel distortion (and, AFAIK, this can't be eliminated completely, can it?). From some sample photos, it didn't ...

(a) A singlet metalens suffers from large barrel distortion. (b) A compound metalens effectively eliminates the barrel distortion. (c, d) Ray-tracing modeling of the (c) singlet and (d) compound ...

Portrait photographers tend to avoid barrel distortion by using standard or telephoto lenses. But when used intentionally, extreme barrel distortion can be a great way to capture creative portraits.

(a) A singlet metalens suffers from large barrel distortion. (b) A compound metalens effectively eliminates the barrel distortion. (c, d) Ray-tracing modeling of the (c) singlet and (d) compound ...