Pixco AF Confirmation Chip Adapter For M42 to Olympus4/3 E-5 E-7 E420 E620 E520 E-410 The shipping time is about 8~15 working days to USA.Please note:If you receive a message indicates that you will receive item(s) longer than 8~15 working days.please don't worry,it is inaccurate. Made of aluminum with chrome coating in black finish Allows focusing to infinity Supports AV (Aperture Priority) and Manual Mode. The chip enables camera viewfinder focus confirmation light and confirmation sound.