User manual PENTAX AF160FC

[. . . ] The AF160FC is a flash system for taking close-up photos of small subjects using a flash to eliminate shadows, allowing you to really enjoy photography. This operating manual is intended mainly for digital SLR cameras using the P-TTL auto flash mode. The provided adapter rings make it available for use with many PENTAX products. Please read this operation manual carefully before using your flash unit. [. . . ] Types of adapters The adapters that can be used vary depending on the type of lens. A: Adapter ring: Attaches to the filter mounting thread on the front of lenses (screw type) Adapter rings are provided in four diameters: 49 mm, 52 mm, 58 mm and 67 mm. This section explains how to mount these types of adapters. Mounting procedure A: Adapter ring Screw the adapter ring that is the same size as the lens onto the front thread of the lens. Line up the macro adapter with the bayonet (hood mount) on the lens front, and push the adapter straight on. To mount the macro adapter, turn it clockwise (while facing it) until you hear it click. Attach the flash head to the adapter Press the release buttons on the flash head to insert the four mounting tabs (circled in the above diagram) on the inside of the flash head correctly into the groove on the adapter ring (A) or macro adapter (B). After the flash head is attached, pull it lightly to make sure the tabs are inserted into the groove correctly. The flash unit has two modes for adjusting the amount of light produced by the flash: An automatic mode and a manual mode. Full flash output 1/4 of full flash output 1/16 of full flash output Mode and camera settings Auto flash mode The camera must be set to a mode other than manual mode. *If the camera has a flash output compensation function, and flash output compensation is set both on the camera and the flash unit, the flash output compensation amounts will be combined. Taking pictures in auto flash mode Auto flash modes The AF160FC has two auto flash modes. The flash unit communicates with the camera and automatically selects a mode. 2 P-TTL auto flash A pre-flash is discharged before a picture is taken so that the metering sensor in the camera can assess the subject and adjust the output of the flash. This makes it possible to adjust the exposure more accurately than with TTL auto. The table on the following page shows the modes used by different types of cameras. Auto flash operations for various cameras The following table shows the compatibility for when a camera is set to auto flash mode ("AUTO", "+0. Camera Model , , O O Compatibility O : Compatible X : Not Compatible P-TTL auto TTL auto Notes For lenses with an aperture ring, P-TTL auto is used if the lens is set to A, and TTL auto is used for all other settings. P-TTL auto is used for lenses (DA, DA L, and FAJ) that do not have an aperture ring. For lenses with an aperture ring, P-TTL auto is used if the lens is set to A, and full flash is used for all other settings. P-TTL auto is used for lenses (DA, DA L, and FAJ) that do not have an aperture ring. For digital SLR cameras not mentioned above * For DA, DA L and FAJ lenses, which do not have aperture rings, skip to step 4. [. . . ] Before sending your equipment for servicing, please make sure that you are sending it to the manufacturer's authorized representatives or their approved repair shops, unless you are sending it directly to the manufacturer. Always obtain a quotation for the service charge, and only after you accept the quoted service charge, instruct the service station to proceed with the servicing. This warranty policy does not affect customer's statutory rights. The local warranty policies available from PENTAX distributors in some countries can supersede this warranty policy. [. . . ]