- With this adapter, you can use Praktica PB Lens on Fujifilm X mount Mirrorless camera body. - Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. - Allows focus infinity. - Material: aluminium. - Lens lock / release and stop screw. - Please installing / uninstalling the adapter after turning off the camera. - Fine finishing! Install, remove and operate lens smoothly!.
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