Marumi filters get the magnetic touch

Marumi M100 Magnetic Filter system

Japanese filter specialist Marumi is promising that one size fits all with its new family of filters. The M100 Magnetic Filters simply snap onto the slim holder using magnet power. The magnets are so powerful, that up to three different filters can be stacked on top of each other. 

Nine different 100x150mm grads are being introduced in the system. There are soft grads, hard grads and reverse grads... and each of these is available in three different strengths. The system is apparently particularly suited to the use of graduated ND filters, as it allows the user to easily align the ND area with the horizon by sliding the filter up and down on its magnets.

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Chris George

Chris George has worked on Digital Camera World since its launch in 2017. He has been writing about photography, mobile phones, video making and technology for over 30 years – and has edited numerous magazines including PhotoPlus, N-Photo, Digital Camera, Video Camera, and Professional Photography. 

His first serious camera was the iconic Olympus OM10, with which he won the title of Young Photographer of the Year - long before the advent of autofocus and memory cards. Today he uses a Nikon D800, a Fujifilm X-T1, a Sony A7, and his iPhone 15 Pro Max.

He has written about technology for countless publications and websites including The Sunday Times Magazine, The Daily Telegraph, Dorling Kindersley, What Cellphone, T3 and Techradar.