17Lens mountingSlowly rotate the lens clockwise to mount the lens and connect the lens cable to the ALC lens con-nector of the camera.Important: SP305 SP302• It is impossible to use lenses without the focus adjustment function or zoom lenses.Optional dedicated lensProduct name Model numberALC lens for 1/3 inch CCD cameras WV-LZA62/22x vari-focal (High resolution)* If a lens for 1/3 inch video camera other than the above is mounted and the camera is used atresolution of 1 280 x 720 or higher, the camera cannot achieve full performance of high resolu-tion. It is recommended to use a dedicated high-resolution lens especially when the illuminancelevel of the photographic subject is low and the camera is used with the lens iris open.How to adjust the focus SP306z Before adjustment, reset the back focus position by holding down the auto back focus buttonfor 5 seconds or more when the power is on. (This operation can also be performed on thesetup menu. Refer to the Operating Instructions (PDF).)x Adjust the view angle and focus coarsely by adjusting the zoom and focus of the lens to centera subject in the screen, and then press the auto back focus button on the side of the camera(☞ page 16) or perform the auto back focus function from the setup menu.Refer to the Operating Instructions (PDF) for how to perform the auto back focus function fromthe setup menu.TWCS-mount lens(option)Zoom lock knobFocus ringALC lens connector Protruded portionfrom mount face:ø20 mm {25/32"}or lessProtruded portion from flange face:4.5 mm {5/32"} or less1 32 4Pin No.1 Dump @2 Dump !3 Drive !4 Drive @