The UV filter is used to block the UV rays and soften the effects of the atmospheric veil.

It is strongly advised to mount it on your lenses since it will protect your front lens and prevent scratches and dust.

To know the size of your filter you need to calculate the internal threading. Be careful the focal length isn't related to your filter size, for instance a 50mm 1.8 can have 49, 52, 55m...

The UV filter is used to block the UV rays and soften the effects of the atmospheric veil.

It is strongly advised to mount it on your lenses since it will protect your front lens and prevent scratches and dust.

To know the size of your filter you need to calculate the internal threading. Be careful the focal length isn't related to your filter size, for instance a 50mm 1.8 can have 49, 52, 55m...

The yellow filter is used in black and white photography to change the range of light spectrum '"seen" by your film.

It is suited for orhtochromatic and panchromatic films.

This yellow filter let the yellow through and block the blue. This will darken every blue skies and their shadows. It is also suited for blonde people's portrait.

To know the size of your filter you need to calculate the internal threading. Be careful the focal length isn't related to your filter size, for instance a 50mm 1.8 can have 49, 52, 55m...

The orange filter is used in black and white photography to change the range of light spectrum '"seen" by your film.

It is suited for panchromatic films.

The orange filter has stronger effects than the yellow filter. It lets the yellow, orange and red through and block the blue. This will darken every blue skies and their shadows. It is suite for landscapes and architecture pictures (especially with brick roofs).

To know the size of your filter you need to calculate the internal threading. Be careful the focal length isn't related to your filter size, for instance a 50mm 1.8 can have 49, 52, 55m...

The red filter is used in black and white photography to change the range of light spectrum '"seen" by your film.

It is suited for panchromatic films.

The red filter has stronger effects than the orange filter. It lets the yellow, orange and red through and block the blue. This will strongly darken every blue skies and their shadows. It is suite for landscapes and architecture pictures (especially with brick roofs)

To know the size of your filter you need to calculate the internal threading. Be careful the focal length isn't related to your filter size, for instance a 50mm 1.8 can have 49, 52, 55m...

The blue filter is used in black and white photography to change the range of light spectrum '"seen" by your film.

It is suited for panchromatic films.

The blue filter lets the blue though, this will darken the green of the greenery and lighten the blue sky. Contrast is strongly increased.

To know the size of your filter you need to calculate the internal threading. Be careful the focal length isn't related to your filter size, for instance a 50mm 1.8 can have 49, 52, 55m...

The green filter is used in black and white photography to change the range of light spectrum '"seen" by your film.

It is suited for panchromatic films.

The green filter lets the green through, it darkens the red and blue. It lightens the green of the greenery. Strongly increase the contrast.

To know the size of your filter you need to calculate the internal threading. Be careful the focal length isn't related to your filter size, for instance a 50mm 1.8 can have 49, 52, 55m...