Cokin A154 Neutral Density x8 Filter

This is a general description for the Cokin A series filters. Here we explain a bit about the system and how it works. Specific details of this individual filter can be found above.About Cokin filters:The COKIN CREATIVE FILTER SYSTEM contains a huge range of filters in many types, including; colour correction, special effects, black and white, polarising, neutral density and more...COKIN filters use the most advanced technologies. Many in the range are made from organic glass, which is shock proof, resistant to abrasion, and meets all necessary optical and chemical requirements. Others are made from high quality optical resin, designed to be flaw-free and of the best optical quality.The COKIN SYSTEM is designed for all photographers, amateur as well as professional. It is particularly quick to use and provides an economical way of building a collection of useful filters.We sell the full range of Cokin filters, in ‘A’, ‘ P’, X Pro & Z Pro series.What's the difference between the most popular Cokin A Series and P Series systems?The Cokin A Series of filters is designed to work with lenses with filter threads between 36mm and 62mm in diameter. It is recommended for focal lengths over 35mm only (to avoid vignetting).For shorter focal lengths between 20-24mm or 28mm, as well as for wide angle zooms (24-50mm, 28-85mm, 35-135mm), the larger P series filters are strongly recommended. The P series is available to fit filter thread diameters from 48mm to 82mm, and eliminates vignetting (dark edges).The product you're currently looking at is an A series filter and to use this you may need an ‘A’ Series Filter Holder (Part No.1005879) and an appropriate adapter ring to fit the lens or camera you wish to fit this to. For the ‘A’ Series they are available in 37mm (1005844), 40.5mm (1005845), 43mm (1005846), 44mm (1005848), 48mm (1005850), 49mm (1005851), 52mm (1005852), 55mm (1005853) 58mm (1005854) and 62mm (1005855). Please note: the different series A /P/Xpro/Zpro are not interchangeable, other than an A-P Series adapter (1006022) which allows A series filters to be used in the P series holder (for lenses with focal lengths greater than 35mm) In all other instances you must use the correct holder for the size you choose!Why 'square/rectangular' filters, as opposed to screw-in?Square filter systems are particularly good value if you are likely to be investing in a number of different filters. They tend to be cheaper than screw-in filters, as you're not paying for a threaded ring every time, just the filter itself.They are also quicker to use, as you simply slip them in and out of the holder as required, rather than having to screw them in and out (they're held in place by a light spring action).The square/rectangle filter system offers a more convenient way to use multiple filters (up to 4 at a time), compared to screw-in systems.Some people find the bulk of the filter holder can be annoying, especially if you're trying to fit the

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