Constant and Variable Aperture Lenses
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10:54
The MISCONCEPTION of Variable Aperture Lenses
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13:40
What pros know about APERTURE that beginners often ignore.
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14:01
Panasonic Lumix Bridge Camera Autofocus Masterclass
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9:25
How do constant aperture lenses REALLY remain constant?
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6:35
Aperture numbers explained - THE SCIENCE behind the aperture, "f" and why the numbers make sense
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10:23
You NEED a SUPERZOOM lens!!
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6:52
What Are Prime, Zoom, Fix Aperture, Variable Aperture Lenses | Photography 101 Lenses
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14:51