Neewer Leveling Tripod Base ac adapter The backpack straps can be

The backpack straps can be removed and stored in a back chamber

this is a fair-weather camera and since 4x5 film tops out at 400

smooth zoom and focusing action

The RF mode is a magnified image of the rangefinder only- basically an optical version of the Live View zoom mode on newer mirrorless cameras that makes accurate focusing easy

The SMC Pentax-FA SMC 28-90mm f3

Neewer Leveling Tripod Base ac adapter The backpack straps can beThe Neewer Leveling Tripod Base mounts to a tripod and provides the ability to level a camera when on uneven ground. It has a compact fluid base and offset bubble level. In good cosmetic condition with some minor wear from normal use.