Рет қаралды 16,015
I tested 3,000+ pictures using a blur detection algorithm to determine the sharpness and autofocus accuracy of a teleconverter. Check out the results!
To join Speedy Photographer or watch my FREE training:
www.speedyphot...
Follow me on Instagram:
/ kevinraposo
/ speedyphotographer
You can e-mail me at:
kevin@speedyphotographer.com
--
** TRANSCRIPT **
Kevin Raposo here with speedyphotographer.com, and in this video, I put together the ultimate answer to your simple photography question: should you use a teleconverter, or should you crop your pictures instead?
In this video, I put together the ultimate answer to your simple photography question: should you use a teleconverter, or should you crop your pictures instead?
We’re going to compare if your pictures will be sharper or softer with a teleconverter, and we’re going to compare if your autofocus will be better or worse with a teleconverter. And throughout this video, I’m going to ask all of you to try guessing which ones are which,
Essentially, the algorithm can scan any picture for sharpness to determine if the subject is in focus with a 98% level of accuracy.
The sharpness of the picture is then given a rating between 0.00 and 1.00. A rating of 0.00 means the picture is extremely sharp, and a rating of 1.00 means the picture is completely out of focus.
In case you think this is impossible or complete bullshit, here’s a quick example: this picture got a rating of 0.22, this picture got a rating of 0.91, and this picture got a rating of 1.00. Pretty straightforward!
--
** CHAPTERS **
0:00 Introduction
0:38 How the Algorithm Works
1:40 Sharpness
4:11 Autofocus Accuracy
6:29 Test Limitations
7:19 Conclusions
--
** TAGS **
teleconverter canon,teleconverter sony,teleconverter nikon,teleconverter,extender,camera,A WARNING to All Photographers: DON’T BUY A TELECONVERTER!!!,Teleconverter Pros and Cons,Teleconverters: Is the extra reach worth the penalties?,Canon Teleconverter - or should you just crop your image?,All About Teleconverters (TCs)