Jargon Buster: Memory Cards
CF: CompactFlash. The most common cards found in SLR cameras, though slowly being replaced by SD. Widely regarded as more durable than smaller memory cards such as SD.
HC: High capacity. A higher capacity card than regular SD and microSD cards. Note that SDHC and microSDHC cards generally aren’t compatible with regular SD card slots.
M2: Memory Stick Micro. A smaller version of the Memory Stick used in Sony Ericsson mobile phones. It is a proprietary memory card format developed by Sony for use in its products.
Memory Stick: A proprietary memory card format developed by Sony for use in its products. Mainly used in Sony’s Cyber-shot cameras, Handycam video cameras and the PSP (PlayStation Portable) gaming device.
microSD: micro Secure Digital. A flash memory card about the size of a small fingernail. Primarily used in mobile phones.
miniSD: mini Secure Digital. A flash memory card with smaller dimensions than a regular SD card. miniSD cards were previously used in mobile phones, although they have now been replaced by microSD cards.
MMC: Multimedia Card. This is a flash memory card that is the same size as an SD card. They have been superseded by SD cards.
SD: Secure Digital is a flash memory card format approximately the size of a postage stamp. SD cards are commonly used in digital cameras.
SLR: Single Lens Reflex cameras are mainly used by professional photographers and offer an array of manual camera options. They use an automatic mirror system to direct light from the lens to the viewfinder.
xD: Extreme Digital Picture Card is a memory card format developed by Olympus and FujiFilm for use in their digital cameras.