The L-308X lets users select from a range of frame rates and shutter angles, while measuring accurately, to within one-tenth of a stop. Also, the addition of Please read this operating manual so that you will fully understand the features and operation of this product. Then keep the operating manual in a safe place View and Download Sekonic FLASHMATE L-308X operating manual online. Light Meter. FLASHMATE L-308X measuring instruments pdf manual download. View online (52 pages) or download PDF (4 MB) Sekonic L-308X-U FLASHMATE Light Meter Operating manual • L-308X-U FLASHMATE Light Meter light meters PDF Manuals and User Guides for Sekonic L-308X-U FLASHMATE Light Meter. We found 5 manuals for free downloads: Operating manual This Startup Guide introduces the basic operations of this light meter. For details about how to use this light meter, please see the Operating Manual. 1. Light Meter L-308X L-308X-U Operating Manual Thank you for purchasing our product. Please read this operating manual so that you will fully understand theUser manual for the Sekonic L-308X-U Flashmate Light Meter contain basic instructions that need to be followed during installation and operation.