Canon EOS C300 Mark III EOS C300 Mark III EOS C500 Mark II Instruction Manual - Page 43

Preparing Recording Media Preparing Recording Media The camera records clips1 on CFexpress or SD cards2 and photos on SD cards. The camera has two CFexpress card slots and you can use two cards (in the manual, "CFexpress A" and "CFexpress B") to record on both simultaneously or to automatically switch to the other card when the card in use is full (A 47). 43 Initialize cards (A 46) when you use them with this camera for the first time. 1 "Primary clips" (generally speaking, deliverable files) are recorded on a CFexpress card. "Proxy clips" (smaller files, mainly intended for offline editing) are recorded on the SD card. 2 The SD card is used also to save/read other files in addition to proxy files. Compatible Recording Media The following types of memory card can be used with this camera. For the latest information about recording media tested for use with this camera, visit your local Canon website. CFexpress cards CFexpress cards compliant with CFexpress 2.0 Type B specifications. However, it may not be possible to record on the card depending on the camera mode and bit rate used. For details about CFexpress cards tested for use with this camera, visit your local Canon website. SD cards1 SD card type: . SD cards / SDHC cards 0 SDXC cards SD Speed Class2: UHS Speed Class2, 3: Speed Class U1 Speed Class U3 1 As of April 2020, the clip recording function has been tested using SD cards made by Panasonic, Toshiba and SanDisk. 2 UHS and SD Speed Class are standards that indicate the minimum guaranteed data transfer rate of SD cards. 3 Using an SD card rated UHS Speed Class U3 is recommended to record using slow motion recording. IMPORTANT • CFexpress cards can become hot due to the high operating temperature inside the camera. Removing a CFexpress card immediately after using it for recording may cause burns or cause you to drop the card, resulting in damage to the card. • After repeatedly recording, deleting and editing clips (if the memory is fragmented), you may notice slower writing speeds to the card and recording may even stop. In such case, save your recordings and initialize the card with the camera. Be sure to initialize cards especially before shooting important scenes. • About CFexpress and SDXC cards: You can use CFexpress and SDXC cards with this camera but these types of cards are initialized by the camera using the exFAT file system. - When using exFAT-formatted cards with other devices (digital recorders, card readers, etc.), make sure that the external device is compatible with exFAT. For more information on compatibility, contact the computer, operating system or card manufacturer. - If you use exFAT-formatted cards with a computer OS that is not exFAT-compatible, you may be prompted to format the card. In such case, cancel the operation to prevent data loss. NOTES • Proper operation cannot be guaranteed for all cards.