●PHOTOGRAPHY WITH OPTICAL FILTERS: Explanation of common filters ND, CPL, GND, ASTRO with application examples and procedures for application. ●Always there: the 12 cheat sheets in A6 format on particularly sturdy 400 g/m² special paper with dirt-repellent coating, always in the camera backpack and in standard filter bags from various filter manufacturers. ●No more conversion: Thanks to the included ND conversion table, you can stop annoying head calculations. Required ND shutter speed can be easily read from the table. ●Great photo gift: the 12 photo cheat sheets come in a sturdy and practical outer packaging, which is also perfect as a gift for photography enthusiasts and beginners. ●Box contents: 12 photo labels in A6 format on extra durable and coated carrier material in 400 g/m² combined in a practical sturdy outer packaging.