It is made of Brass with High Quality.
The AF confirm function gives you confirmation signal in viewfinder once you focus objective accurately.
FEATURES:
-With AF confirmation chip.
-Provides confirmation signal.
-Able to Focus Infinity.
-Supports AV mode.
-Only manual focusing available.
-Allows all metering modes supported by your camera.
-EXIF fixed date: 50mm f1.4
COMPATIBLE WITH:
pakage include:
10 x m42 adapter