Neutral density filters reduce the amount of light entering the lens without altering it in any other way. It sounds an odd sort of thing to do, but ND filters have two important uses: (a) cutting the amount of light [...]
Tag Archive for 'Filters (lens)'
UV filters cut the ultra-violet haze sometimes seen in distant landscapes. They’re related to skylight filters, but lack the skylight filter’s slight colour adjustment.
Once used to protect the lens and cut haze in landscapes. Skylight filters cut through the UV ‘haze’ in distant views which might otherwise give them a blue tinge. There’s also a degree of colour correction – hence the pink [...]
Polarising filters cut glare and reflections, and this has the effect of increasing colour saturation. They also darken blue skies. The effect depends on the angle of the filter – you have to rotate it to find the best position. Polarising [...]
Filters are used on the front of the camera lens to change the appearance of the photograph. It’s true that today it’s possible to simulate many filter effects using a program like Photoshop and to add many more, but there [...]
This is a filter which is clear at the bottom but darker at the top with a smooth (graduated) blend in the middle. It’s primarily used to darken skies in landscape shots – many outdoor shots are spoiled because the [...]
Used for tonal control in black and white photography. ‘Contrast’ filters are used in black and white photography to change the brightness of the different colours in the scene. For example, a ‘red’ filter will cut out much of the [...]
Cokin filters first became popular in the 1980s but have a enjoyed a major resurgence with the arrival of digital SLRs. Unlike conventional circular glass filters, which screw directly into the filter thread on the front of the lens, Cokin [...]