Pocket-sized tool: Fits perfectly in your wallet, credit card-sized for easy access to photography essentials. Ideal for use anywhere from mountain tops to city streets, lightweight and portable for your convenience. | Master photography fundamentals: Simplifies aperture, shutter speed, and ISO with an easy-to-understand format. Features visual examples to help manipulate settings for optimal results. | Built to last: Made from high-quality plastic, designed to endure any photography adventure. Resists wear and tear, ensuring longevity and reliability in various conditions. | Ideal for every amateur photographer: Perfect for beginners or those refining their skills. Simplifies complex photography techniques, making learning accessible and straightforward. | The perfect gift for photography enthusiasts! You have a Nikon, Canon or Sony DSLR? You wanna shoot manually? This durable plastic card is for you!