F-Stops vs T-Stops for modern photo lenses?
p.3 #1F-Stops vs T-Stops for modern photo lenses?
gdanmitchell wrote:
I don't like corporate secrecy, dishonesty or under-reporting of (in this case) lens performance, but I understand others have a (much) greater tolerance of these things.
It's one reason to highlight them here, in fact, so readers can see both sides of the debates. cheers.I don’t like conspiracy theories, and this thread is leaning hard into one.
No conspiracy…just lay out the facts. We have lens mtf charts published…why not the T-stop values.
philip_pj wrote
Best practice should always be implemented regardless of one's need for it, because it is the right thing to do. We are philosophically at the extreme opposite ends of the issue, obviously.I don't like corporate secrecy, dishonesty or under-reporting of (in this case) lens performance, but I understand others have a (much) greater tolerance of these things.
It's one reason to highlight them here, in fact, so readers can see both sides of the debates. cheers.No conspiracy…just lay out the facts. We have lens mtf charts published…why not the T-stop values.
Apr 11, 2026 at 10:14 AM