How does SLR choose which card to store? How does SLR choose which card to store?

1. What capacity should I choose? This is related to the pixel size of the camera, whether the video is 4K or not, and the maximum number of photos taken in one day. In general, if you often take photos, there are many videos, and time-lapse photography, animal photography and report photography are all involved, then you'd better choose 128G, two different high-speed memory cards. One of them is a spare. If you usually only go out with your family on weekends and occasionally take a small long distance of about 5 days, 64G memory card, two are different. One of them is a spare. If it is a long-distance hiking based on photography, it needs 256G or even 512 g. Another important suggestion is that at least two memory cards should be prepared whether you are going out in the city or going to other places! It is best to wrap the spare memory card in a plastic bag and put it in the EDC bag, camera strap and camera bag you must carry.

2. Choice of memory card speed and model: Generally speaking, the top and new SLR and micro-single, the memory cards used may be XQD card and CFast 2.0 card. For example, Canon EOS- 1DX Mark II has two slots, one is CFast 2.0 and the other is a traditional CF card slot. Nikon D4 and D4 can use XOD cards, and Nikon D5 can choose dual CF or dual XQD cards. Nikon's Z6 and Z7 Quan Huafu micro orders can only use XQD cards. Canon EOS 5D Mark IV and Canon 5D mark III commonly used by ordinary fans are dual card slots, namely CF card and SD card. If the shooting speed is faster and more reliable, it is recommended to choose CF card as the main force. Generally, both mid-range SLR and low-end SLR use SDHC memory cards. For example, Nikon D750, Canon EOS 6D, Canon EOS 6D Mark II and S ONY α7R III dual card slots are SD cards, one of which supports UHS-II, and Sony α7R IV dual card slots support UHS-II. If you often shoot wildlife, 4K video and time-lapse photography, it is recommended to choose UHS-II standard when choosing SD card.

3. Card reader selection: In order to transmit photos more quickly and safely, it is not necessary for merchants to give SD card readers when buying cameras. Choose a better card reader. For people with a large amount of shooting data, a fast card reader means more rest time. The USB port of win system computer, the blue one is USB3.0, and the transmission speed is faster. When using notebooks and desktops, you can plug the mouse into the white port of 2.0. It is best to connect the card reader and mobile hard disk that copy photos with the blue 3.0 interface.

4, lightning protection: technical link: the first time the memory card is used, it must be formatted before it can be used! Every time you copy a memory card, it's best to format it in the camera, not on the computer! Don't put the MicroSD card of your mobile phone in the adapter box for the sake of cheapness or waste utilization! The memory card will be damaged in the case of falling, humidity and strong electromagnetic field. In the dry environment in winter, pay special attention not to touch with your fingers.

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