User manual PENTAX UCF V 16X24

[. . . ] After reading this Operating Instructions, keep it for future reference. Do not use organic solvents, such as thinners, alcohol or benzine to remove stains from the lens. â· Use a blower or a clean lens brush to remove dust. [. . . ] When grease or fingerprints are on the lens, wipe them off with a lens cleaning paper and lens cleaner gently forming a swirl from the center to the circumference. Avoid dropping, strong vibration, shock and pressure on it. â· Keep the lens away from dust, poisonous gas, moisture and salt. ALC may not function due to backlight compensation and AGC of the camera or cameras with a digital video output. This is a C mount lens and is not suitable for a CS mount camera. Some cameras are C and CS mount compatible. refer to the Operating Instructions of the camera. Screw the lens clockwise into the camera. â· When the AGC of the camera is switched on, there are some instances where the level does not alter and the image quality deteriorates, even when the "LEVEL" adjustment variable resistor is turned all the way to "L" side. Turn the "LEVEL" variable resistor towards "H" until the image quality improves. The lenses having CE marking on their bodies are conformity with the standards EN50130-4 and EN55022 related to EMC directives by EU. The flange back of this lens is factory adjusted for C mount. In case you are unable to focus either at the shortest or longest focal lengths, adjust the back focus of the camera by the following method, referring to the Operating Instructions of the camera. Fully open the iris by either of the following methods. set the electronic shutter of the camera to high speed. Cover front of the lens with a ND filter according to the prevailing lighting conditions. [. . . ] set the electronic shutter of the camera to high speed. Cover front of the lens with a ND filter according to the prevailing lighting conditions. ) Set the focus ring at [FAR] position, and then adjust back focus of the camera. [. . . ]