Multiples in the International System of Units used in the text Prefix Abbreviation Scientific notation hecto h 102 kilo k 103 mega M 106 giga G 109 tera T 1012 peta P 1015 exa E 1018 zetta Z 1021 yotta Y 1024 Yet another way to illustrate the unprecedented range of magnitudes that enables the functioning of modern societies is to compare them with

Although the Sony a7 II users manual says a Class 4 rating is sufficient for recording movies, Sony technical support recommends a Class 10 card. If you want to take the highest quality videos with your camera, buy a card that is rated as Ultra High Speed (UHS). For this type of work, use the UHS Class 1 SD card.