28mm @ f/3.5 135mm @ f/5.6 Coverage. Flash coverage was fairly even at wide-angle with the Canon 28-135mm lens that will be bundled with the 7D as a kit in the US, but keep in mind that a 28mm ...
(From Pentax lens literature) The Pentax SMC P-FA 28mm f/2.8 Soft Focus lens is designed for portrait photography and softens the lines of the subject for a more romantic, appealing effect.
Canon’s list of RF primes under at a similar price is a short one, with the RF 16mm f/2.8, RF 28mm f/2.8 and RF 50mm f/1.8. With the Samyang lens only rumored, and Sigma and Tamron's Canon RF ...
Thereafter, we can measure pincushion distortion, +1.23% at 24mm and +1.54% at 28mm. Pincushion distortion in a wide-angle lens can look a bit odd, but it is not too severe and might well go ...
By 20mm, the lens is almost perfectly rectilinear, measuring +0.10% pincushion. It is then pincushion all the way, with +1.47% at 28mm and +1.54% at 35mm. Traditionally, wide-angle lenses would ...