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 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. Manuals and User Guides for Sekonic L-308X-U FLASHMATE Light Meter. We found 5 manuals for free downloads: Operating manual View and Download Sekonic FLASHMATE L-308X operating manual online. Light Meter. FLASHMATE L-308X measuring instruments pdf manual download. 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. 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 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