F Stops vs T Stops - what is the difference?

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Did you just made an analogy between a car and a camera? Vast knowledge mate very vast knowledge! Keep on teaching Master!!!

josecolon
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nothing gives me more pleasure then to listen to someone who knows what hes talking about, great stuff and by the way awsome move with the 1dx i would love a video about how you will set it up since I'm sure your not going to leave all settings as it came out of the box thanks and great luck with it

DarioLubrano-ru
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Excellent, that was the most simple and clear explanation I've seen. Thanks.

Nada-Mal
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This is actually really good news. As a concert photographer, I'm most concerned with light gathering and I bought the Tamron 24-70 2.8 because it was more affordable. I'm looking at a 70-200 next, and this video makes me feel better about getting the Tamron over the Canon. I was mainly looking at the Tamron because it's more affordable, but I felt like I may have been making a poor choice as I see more photographers here in LA with the Canon. Seems like the Tamron may be better for my purposes, while being cheaper to boot!

ErikJensenDetroit
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IMO this is the best video you've put out in a while Matt, really clear and simple. Thanks!

jh
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Thanks for keeping those old posts alive !

paulmoadibe
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For some reason the explanation of the difference between the two terms never really stuck, but this time it did. Thanks for making this!

VTarcher
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Best photo teacher on the tech side of things I've ever learnt from! Get your geek out!

TheBenjaminBrowning
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I don't want to give this a thumbs up, I want to give it a heart or something. Well done sir!

jordandale
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absolutely correct, it is just a measure of light transmission - not overall quality

mattgranger
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I love it when you talk real photography.
Thank you mat.

maherali
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Matt - Just found this gem of a video today (4/23/17). Goes to show that an old dog like me can still learn a "new trick."
Thanks for the understandable clarification of a "T" stop. Of course, using a camera's TTL meter will automatically compensate for any difference. BUT...your good explanation indicates why my images "may" be slightly underexposed when using a hand meter. Thanks again.

mhcb
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Very informative video, thanks. I noticed this when shooting my most recent weather vid. Had to put an ND8 filter on the end of my Samyang 35mm F1.4 with t value 1.7 where as the 70-200 2.8 with its t value 3.4 was able to film ok in same light without needing ND8 to pull back the light a little. Same ISO and 1/50 sec F8, the difference was amazing back to back.

RNZ
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Great heckle once again DP. lucky for us you were early to upload clips from White Chicks and other copyright material.

mattgranger
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True. Besides, the power of post-processing fixes almost everything ;)

NVENTURES
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As usual, great video Matt
When are you gonna drag yourself to Melbourne again?

GromovPhotography
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Excellent video, Matt! I love your technical stuff and I'd love to see some more videos like this!

MichaelFoleyPhotography
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Finally an explanation what were wrong with my lenses, why they trow different results between different lenses.

thank you Matt =)

tonyarrj
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Always enjoy your videos. Informative and easily understood.
Keep it up !

rockon
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Thanks for putting this out there. While the faults of any lens may not be the topic of concern, you have shown ratings on a page like DXOmark that does measure lens performance on more than one scale. Implicit recommendations to buy lenses with better T-stop performance are created, but offsetting faults are there, they do become relevant and should be mentioned...actually more relevant comparing lenses than engines + final drive performance. T-stops are useful first in comparing lenses.

TSPhotoAtlanta
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