Split screen micro prism focusing screen for DSLR

I like to experiment with vintage manual focus lenses. Unfortunately, manual focusing on modern DLSR cameras is not great since they don’t use high precision screens in viewfinders let alone have split prism. Luckily, my Canon 6D has interchangeable focusing screens so I ordered affordable Chinese-made focusing screen with spilt image and micro prism circle. Take a peek in my video demonstration to find out how it works and is it any good for manual focus lenses.

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