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Camera filters are an important part of your landscape photography kit. Different lighting conditions will require using different filters and only you can be the judge of what will work best with your scene and its lighting conditions.
Below is a list of the types of camera filter that are commonly used in landscape photography and the conditions in which they might be used. The links will take you to more detailed pages about the individual filters.
Before that, you should know that there are two types of camera filter - glass and gelatin.
Nothing is ever the same twice because everything is always gone forever, and yet each moment has infinite photographic possibilities.
Glass FiltersThe glass types usually come as a screw-in filter that attaches to the front of your lens. Polarising filters are typical types. The down side is that you may need several such camera filters, especially if your lenses have different diameters. You'll need a screw-in filter for each one. The larger the diameter of your lens, the more expensive the filter; i.e. more glass = more money.
One glass filter that's essential for any lens is an Ultraviolet (UV) filter or a Skylight filter simply to protect the front element of the lens from scratches that might result from bangs, scrapes or dropping the camera. These are the essential glass filters:
Gelatin FiltersGelatin camera filters are square in shape - some come with rounded corners - and are cheaper than glass filters. They slide into an attachment that goes on the front of your lens. This filter holder has interchangeable adapter screw rings that allow you to use the holder with lenses of different diameters. Such rings are very cheap (typically about $5.00) and so a gelatin-based camera filter system ends up being cheaper than multiple glass filters. However, gelatin is easily scratched, so you need to be careful not to damage the filters.
There are a huge number of gelatin effects filters available. Glass graduated filters should never be used for two reasons:
So you should always use gelatin graduated filters. They give you more creative control over where the transition occurs.
The Cokin Filter SystemThe Cokin Filter System is the most well known of the gelatin camera filters. There are other manufacturers but all work on the same basic principle. This system is suitable for almost all lenses of SLR cameras (35 mm, APS or Digital), Medium and Large format cameras, Video/ Broadcast cameras, Slide Projectors, including most wide angle lenses in all those applications.
To use this system, screw the appropriate adapter ring onto your lens. Then slide the filter holder onto the adapter ring until it snaps into place. The filter holder is now solidly attached to the lens, yet it can rotate to the left and right. You then slide your camera filters into the holder - there are spring-loaded grooves to hold the filters in place. There's usually three or four grooves to allow you to put more than one filter into the holder. The one closest to the filter holder housing is the narrowest; it allows the use of round filters with notched edges (polarizer, star filters, etc.). The two central slots are intended for square camera filters. The outer slot can be used either for an additional filter or for a coupling ring (which allows you to attach another filter holder - should you so wish!).
There are, in fact, three different Series in the Cokin System. Basically, the size to be used depends on the outer diameter of your lens - the larger it is, the larger the holder you must use. The "P" system is recommended for SLRs. It provides adapter rings for lenses with front diameters in these sizes: 48, 49, 52, 55, 58, 62, 67, 72, 77 and 82mm.
Advantages Of Square Filter SystemsCokin camera filters were invented by professional photographer, Jean Cokin, and are now the world's leading range of special effect filters suitable for SLR, video, medium and large format camera systems. There are over 140 different filters available. The most popular, however are:
By using square filters, you have a number of immediate advantages:
If you want to see the entire Cokin range, their brochure is available as a PDF file.
Cokin Digital Filter SystemThanks to the Cokin Digital Filter System, compact digital camera owners can now wield the power of the Cokin Filter System without hassle! The system uses the tripod mounting screw hole in the bottom of your camera to hold the filters in front of your lens or, if available, your filter thread. With two ways to mount Cokin camera filters to your digital camera, you have no excuse for bland photography! A Circular polarizer cannot be emulated in Adobe Photoshop, and achieving the level of quality a Cokin filter brings could takes weeks with extensive Photoshop knowledge. For convenience and quality, Cokin filters are a digital photographer’s best friend.
Lee Filter SystemSomething of an upmarket competitor to Cokin, Lee provide a range of graduated gelatin filters that range from neutral density to subtle tints that warm or cool a scene down, to stronger tints for enhancing sunrises or sunsets and mist sets for adding a foggy or misty look to your landscapes.
Lee filters connect to your lenses in the same way as Cokin filters; i.e. with an adaptor ring and filter holder. Cokin gelatin filters are 2.5x2.5" whereas Lee filters are larger at 4x4" or 6x4". They are also of a higher optical quality than Cokin equivalents, all of which explains their higher prices.
One thing to note with Cokin graduated neutral density filters is that the filters are actually grey rather than being completely neutral to color, which means they can (but not necessarily) cause slight color casts on your photos. Whether they do or not depends on the wide variety of conditions around at the time you took your photo. Lee graduated neutral density filters are completely neutral and will give no color cast. All this is discussed on the graduated filters page. However, if you're just starting out using filters, then it's best to start with Cokin filters. You can always upgrade to Lee later. ![]() Subscribe NOW to "The LensMan" newsletter. It's informative, fun and, above all, free! | |||||||||