Now we see through a glass, darkly...
- Apr 5, 2016
You said:Thanks for sharing. Confirms what I was saying.
"However, if you do magnify in front of the aperture then the t-stop is quite different from the f-stop value. While that can be the case for a zoom at some focal length, it makes no sense for a prime.
Proof: Check f-stop and t-stop values for various primes and you will see they are very close (and the reason why t-stop value is always a bit worse than f-stop value, is the loss of transmission through glass). "
I just showed that there's no difference between zooms and primes in this respect.
Please tell me again how that confirms what you were saying?