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Do Variable Aperture Zoom Lenses Mean Poorer Image Quality?
Posted 01/05/2026
Does a wide range zoom lens mean lower image quality? Sam shows you how to utilize Tamron's 25-200mm f/2.8-5.6 with an 8x zoom range for multiple photographic genres. You can go from taking wide landscapes to portraits to wildlife to street photography, all without lugging around a bunch of gear. 0:00 - Are Long Range Lenses Worth It? 1:08 - Test Shoot 2:23 - Sharpness, Bokeh & Minimum Focusing Distance 2:45 - Weight,
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Zoom Lenses
aperture
Aperture for Video: What Does it Do?
Posted 08/04/2022
What does aperture do on a camera? How can you achieve cinematic bokeh that everyone loves? Should you film open or closed? How does selecting your aperture affect your depth of field, as well as your shutter speed and ISO? Nick Brigadier explains this and more! 0:00 - Introduction 0:42 - What is Aperture? 1:30 - How Does Aperture Affect Depth of Field? 3:57 - Final Thoughts
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aperture
exposure settings
Depth of Field
Filmmaking
03:30
ISO, Shutter Speed and Aperture Explained | Exposure Basics for Beginners
7,919 Views· Posted 11/24/2017
In this B&H video, photographer David Flores explores the "trinity" of photography fundamentals: ISO, aperture, and shutter speed. Beyond the immediate goal of proper exposure, learning how to control all three settings to
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aperture
exposure
iso
shutter speed