Photography is full of fancy terms and complicated science, but we are here to explain it all to you in simpler terms. Today we are focusing on focal length. This term gets thrown around often, ...
When you’re building a machine-vision system, you must ensure that the lens you choose will properly capture an image that includes everything you want to inspect. Two simple formulas let you quickly ...
\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.
Over on YouTube [Applied Science] shows us how to make an f/0.38 camera lens using an oil immersion microscope objective. The f-number of a lens indicates how well it will perform in low-light. To ...
If you're getting started with portrait photography, one of the biggest questions is: what lens should I use for portraits? With the best portrait lenses coming in so many options – from affordable ...
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Zooming is limiting you – if you want to learn photography, start with a prime lens (or lock your focal length)
If you're serious about learning the visual language of photography, here's one simple piece of advice: start with a prime lens – or at least lock your zoom lens at one focal length. (For this, use a ...
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