How to choose right macro filter for your camera?
Macro Photography
February 5, 2018

In order to achieve desirable results, there are some important variables to consider when using macro filters, like the filter size, depth of field, magnification, image clarity and light source.


Filter Size

The larger the filter, the greater the cost, and that’s not surprising. The size of the opening at the front of the lens is a standard to determine the size of macro filters that must be fitted. Also keep in mind, the quality of the optical glass used in the filter will also increase or decrease the cost. Macro filters are available in sizes ranging from 49 mm to 77 mm, and the most commonly used macro filter would be the 58 mm.


Close up filters are normally sold in macro filter packs of four. Every screw-in filter will offer a different level of magnification measured in dioptres. One dioptre macro filter is a plus 1. A typical set of macro filters will include plus 1, plus 2, plus 4 and plus 10 magnifications.

Macro filters can be used simultaneously to increase magnification. However, it is recommended to avoid unnecessary stacking, because every filter adds another glass layer through which light must travel through, and that can increase distortion.

Depth of Field

Depth-of-field is a reference to how much the image is in focus. It is best to use the least magnification that’s possible, it’s because the greater magnification used, the less depth-of-field. A plus 10 macro filter offers less depth-of-field than a plus 2, for instance. There are situations when there is advantage for less depth-of-field.


To shoot a close-up image, it is often best to start with the least magnification, not the largest. Begin with a plus 1 filter. Then manually focus the lens to its least minimal distance. Start with the camera almost touching the subject, and then slowly move away your camera until the subject comes into focus, and take the picture. And if more magnification is desired, swap the plus 1 filter for a plus 2, plus 4 or even a plus 10.




Macro Photography
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