Sunpak Auto Zoom 3000 lens mount_Fuji GFX but glass is in excellent

but glass is in excellent condition

Original Leitz catalog featuring the M4

as you might expect

with minor coating marks on the glass near the edge

Shutter speeds are good except for any provision to hold open the shutter: T and the preview switch do not hold the lens open to focusing position

Sunpak Auto Zoom 3000 lens mount_Fuji GFX but glass is in excellentThe Sunpak Auto Zoom 3000 is a weird one: it looks like a pretty standard flash, except that the head can tilt side to side over a range of 180 degrees, and then also up and down by 180 degrees. Which means that you can aim your flash straight up, straight down, all the way to either side, diagonally, or anywhere in between. Is this useful? Maybe! That's for you to decide. Also, it has a built in PC sync cable for use with cameras that don't have a