12-03-2018, 11:02 AM
(This post was last modified: 12-03-2018, 11:06 AM by Brightcolours.)
That is the difference between an old fashioned 1970's kind of design (the optical formula of the EF lens is not very advanced) and a modern design.
Here is the difference between an old fashioned "1970's kind of design" f1.4 and a modern one.
Screen Shot 2018-12-03 at 12.01.17.jpg (Size: 185.62 KB / Downloads: 14)
Note how the short flange distance allows the faster lens to be about the same size, while both have about the same number of lens elements.
Here is the difference between an old fashioned "1970's kind of design" f1.4 and a modern one.
Screen Shot 2018-12-03 at 12.01.17.jpg (Size: 185.62 KB / Downloads: 14)
Note how the short flange distance allows the faster lens to be about the same size, while both have about the same number of lens elements.