₩ Welcome, and thank you for visiting. The following images were created to demonstrate and explain the term “f/stop” (aperture) in this series.
₩ Some beginners are not familiar with this term, what it represents and how the results “look.”
«» F/STOP Explained:
In optics, the f-number (sometimes called focal ratio, f-ratio, f-stop, or relative aperture) of an optical system is the ratio of the lens’ focal length to the diameter of the entrance pupil. It is a dimensionless number that is a quantitative measure of lens speed, and an important concept in photography.
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• The image shown, was created using the following:
^ Canon 70D
^ Metz 58-A2 flash in E-TTL Mode
^ Canon 70-200 mm L Series IS II
• Note the lighting variables with the change if the f/stop (range I used) from f/2.8 to f/5.0.
• Compare the colors and textures of the image.
• Practice with items or people in your “space.”
• Experiment with f/stop and ISO variables to achieve similar and various optical results.
* Happy shooting 🙂