Every company seems to have jumped on the magnetic filters thing over the last few years. We’ve seen magnetic systems from K&F, Irix, H&Y, along with a number of others, all hoping to lock you into their filter systems.
Now, it’s the turn of PolarPro with their its Helix MagLock (buy here) magnetic filter system. These aren’t the first magnetic filters the company has released, having produced them before for small cameras like the DJI Osmo Action, but this is their first for DSLR and mirrorless cameras.
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