01-19-2022, 01:56 PM
Speaking of TC, how about generalizing the concept further?
For instance by building a 3 focal length lens, e.g. 20-35-50 f1.8?
I guess it could be made smaller than a zoom while providing better image quality?
For instance by building a 3 focal length lens, e.g. 20-35-50 f1.8?
I guess it could be made smaller than a zoom while providing better image quality?