I think the notion of FF = heavier lens may not be true

Started Nov 8, 2013 | Discussions thread
Joe Pineapples
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Re: I think the notion of FF = heavier lens may not be true
In reply to EinsteinsGhost, Nov 10, 2013

EinsteinsGhost wrote:

RedFox88 wrote:

EinsteinsGhost wrote:

Then there is the reach aspect. I use 200mm/2.8 on APS-c whereas the same reach on FF would require 300/2.8. Whole both are FF lens, the 200/2.8 is considerably smaller with same metal build and weighs only a third (about 750g).

No, you would need 300mm f/1.8 on 35mm to compare to 200 f/2.8 on aps-c. That 300mm lens doesn't exist and would be very big, very heavy, and very, very expensive!

Nope. Try again.

Well, they do say that Albert Einstein wasn't very good at arithmetic; but both of you seem to be struggling with basic multiplication and division here. A 200mm f/2.8 lens on an APS-C camera will have very similar performance to a 300mm f/4 lens on a FF camera...

Joe

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