Why no lens uniformity?

Started Feb 16, 2014 | Discussions thread
Dheorl Veteran Member • Posts: 3,403
Re: Wow...did high schools actually stop teaching physics?

Corkcampbell wrote:

thomasw333 wrote:

I personally want all of the Prime lenses to be metal bodies with the same filter size, and the manual focus snap ring.

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"Knowledge is good." Emil Faber

So what reason do you have why this couldn't be the case. Yes the 75mm would obviously have to be bigger but the 12, 17 and 25 are all 46mm. The lens barrel on the 45mm is already bigger than its filter thread so would it really have been that hard to bump the filter size on that up to 46mm to match?

(And I have a first class honours degree in physics so please don't try saying I was never taught it because I will just laugh)

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