Camera filters

Camera filter

Camera filters

The camera lens filters are attached to the lens aperture and are of two types: torsion filters and sliding filters.

Lens filters are made of clear or translucent glass, plastic or gelatinous pieces.

The function of these filters is to protect the camera lens, as well as change the properties of the light passing through or add effects with specific colors to the photo.

Types of camera lens filters

Torsion filters

These filters are placed directly on the lens and wrapped around it.

Sliding filters

To use these filters, a filter holder must be installed on the lens and the filters must be placed inside it.

Holders usually have three or four grooves on which more than one filter can be placed.

The advantage of sliding filters is that you can increase or decrease the filters quickly and place larger filters on smaller lenses.

UV filter

Ultraviolet (UV) filters are transparent filters that block ultraviolet light from entering the lens and reduce fog.

These filters do not affect most visible light, so they do not alter the metering and are more like a lens protector.

When the subject is slightly out of focus, a faded purple appears on the edges of the subject, which UV filters play a key role in reducing.

Polarized filter

The polarizing filter is another camera lens filter that, like a UV filter, reduces fog but also reduces sunlight reflection.

This filter is mostly used to darken the skylights to increase the contrast between the clouds and the sky.

In addition, the most common use of this filter is to remove water and glass reflections.

Another problem with polarizing filters is that there are two types: polarized and circular.

Filters for black and white photography

Other filters for camera lenses are the filters that block a certain range of visible light; As a result, the monochrome view of the photo is improved.

For example, the red filter 25 blocks out red light and increases blue light, or the green filter darkens the sky and makes green branches and leaves brighter to make them more visible to the sky (these filters are suitable for photography). They are from a tree.)

Red, orange, yellow, green, and blue filters are available for black and white photography.

Neutral density filter

The ND filter is another camera lens filter that reduces the light entering the lens evenly.

With this filter, we can have more motion blur and capture more detail in the photo.

This filter is used in situations where the contrast between shadows and highlights is high (in these cases the quality decreases).

With ND filters you will be able to select slower shutter speeds or higher apertures.

Color balance filter

Visible light covers a range of colors. However, in photography, we have to adjust the white balance or white balance of the camera to record the colors correctly.

These types of camera lens filters are used to correct the light color that is recorded in a different photo.


These filters reduce the sharpness of the image, but only to a very small extent. In a way that is difficult to detect.

This filter is suitable for close-up photography of people’s faces. With the help of this filter from the camera lens filters, with a little creation of stretch, soft and silky skin replaces defective and stained skins.

This filter can also be used to photograph mountains or landscapes.

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