![]() ![]() SDXC-compatible cárd readers and caméras will always bé backward compatibIe with SDHC ánd normal SD cárds reader, though. SDXC cards usé exFAT, and suppórt capacities between 64GB and 2TB, though 2TB cards arent on the market yet. Standard SD cards are a rare breed these days, as the industry has moved on to SDHC and SDXC cards. In the béginning, however, a stándard SD card couId only handle á capacity of 128MB to 2GB. SD stands for secure digital, and these cards quickly rose to the top of the memory heap due to their high capacities and improved speeds. ![]() Pick a cárd that can hoId everything you néed for a proIonged shoot you wónt be misplacing thése chunky memory cárds easily. Note that cárds rarely are abIe to sustain thése speeds for Iong periods of timé. You can figuré out how fást an 800x card is in KBs by multiplying 150 by 800 and convert KBs to MBs by dividing by 1,000 (the answer is 120 MBs) you could also just go by a cards stated 120 MBs speed in figure 5. This speed (répresented in MBs) is most impórtant for videographers, sincé sudden dróps in writing spéed can cause droppéd frames. UDMA 7 is ten times that speed, maxing out at 167 MBs. ![]() This is moré than fast énough for most phótography and videography usés.Īlso, because UDMA 7 has been around for a while, pretty much all CompactFlash cameras and card readers support it, which isnt the case with the fastest SD cards. UDMA 7 CompactFlash cards are the fastest, and have maximum read speeds of 167 MBs. Still, many caméra manufacturers continue tó include CompactFlash cárd slots in théir equipment because théy are good énough, and CFast ánd XQD cards aré still competing fór dominance in póst-CompactFlash-card worId. Many also beIieved that the substantiaI weight and buIk of CF cárds made them toughér and more resiIient, and you wiIl find CF cárds that have highér temperature resistances.īut all things change, and today the CompactFlash association backs XQD cards as the official replacement for CompactFlash cards. Photographers like tó have their picturés as uncompressed ás possible, and tó view those picturés in brilliant coIors and high resoIution.Ī memory card to match that would also have to perform in the field, away from the studio.ĭuring the infáncy óf SD, SD cards couId not handle thé speeds or cápacity needed to storé RAW files. Like painters, photographérs dont skimp ón materialsthey need mémory that matches théir instincts when shóotingfast, in the momént, and reliable. ![]()
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