How do you maintain the shutter magnet?
After a long time of use, will the magnetic force weaken, how to maintain? The Shutter magnets may indeed weaken their magnetic force after prolonged use, mainly due to the …
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COLLECTION
After a long time of use, will the magnetic force weaken, how to maintain? The Shutter magnets may indeed weaken their magnetic force after prolonged use, mainly due to the …
Read more