Indiegogo: Maven filters are magnetic, color-coded and claim color neutrality

Following a successful Kickstarter campaign, photographer and educator Michael The Maven has launched his new magnetic filter system, the Maven Magnetic Filters, on Indiegogo. The Maven Magnetic Filters attempt to solve numerous friction points with using screw-on filters by utilizing magnets (no more screwing on filters) and color coding (no more trying to read the fine print on the thin edges of filters). .

Each filter is color coded with a color suggesting its use.
…
Read more