02-15-2018 10:07 AM
Can anyone recommend me a wide angle converter with decent quality of x0.43 or x0.5x for a canon lens with 52 or 58 filter diameter? I know a lot of them are very soft .
02-15-2018 11:29 AM
Rather than convert your existing lens, it would be much better to get an EF-S 10-18 lens, you can probably get a good deal on a refurbished one:
02-15-2018 12:55 PM
You can't get a wide DOF with a wide angle lens.
I used a depth of field calculator.
An f/1.8 50 mm lens with a subject at 3 m has a DOF of 2.8 - 3.2 m
An f/1.8 21 mm lens with a subject at 3 m has a DOF of 2.3 to 4.3 m
Even if you got one of those expensive anti-Teleconvertors that *increase* the aperture number with a wider fov, if the resultant 21 mm lens had an f/1.0 aperture, the DOF would still be 2.6 to 3.6 m.
02-15-2018 01:13 PM
I think you mean a shallow DOF not "wide".
Correct me if I'm wrong, but I think that by mounting a WA converter in front of a 50 mm lens (let's say at aperture 1.8), I'll get only a wide angle of view not a deep depth of field. Think of an anamorphic lens.