burbanmacro

Diopters

image by Adorama

Diopters (a.k.a. close-up or macro filters) are optics that you attach to the front of your camera’s lens.  They increase the reproduction ratio that it is capable of and also shorten its working distance.

The Raynox DCR-150 I brought up in the Get Started section is one example of a diopter.  The great thing about diopters is that they’re so easy to use.  And you can simply remove them to regain infinity focus.  The thing to watch out for with diopters is the quality of the optics.  Because you are adding an additional optical element into the light’s path to the sensor, a low-quality diopter can degrade image quality.  I suggest staying away from single-element diopters since they lack additional corrective elements.

And now, teleconverters

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