If you've ever been baffled by some of the photography and Web-chat acronyms that pop up at BetterPhoto.com, check out the following glossary... it may just answer all of your FAQ!

AE: Automatic exposure
AF: Auto focus
AI (Nikon): Automatic index
AKA: Also known as
ASA: American Standards Association - now ISO

BG: Background - what's behind the foreground subject in a picture
BTW: By the way

CCD: Charged coupled device - refers to image gathering
CUL or CYL: See you later

DOF: Depth of Field - range of sharp focus in a picture
DPI: Dots per square inch

EOS (Canon): Electronic optical system
EV: Exposure value

FAQ: Frequently asked questions
FYI: For your information

GIF: Graphics interchange format - image file format that is more appropriate for flat color graphic. JPEG, TIFF, and PSD are more popular file formats for photographic images

HTH: Hope this helps
HTML: Hypertext markup language (for Web documents)

IMO: In my opinion
IMHO: In my humble opinion
IMNSHO: In my not-so-humble opinion
IE: Internet Explorer
IR: InfraRed
IS (Canon lenses): Image Stabilization
ISO: International Standards Organization - speed or digital camera's (or film's) light-sensitivity

JPEG or JPG: Joint Photographic Experts Group - compressed image file format

LCD: Liquid crystal display
LED: Light emitting diode
LOL: Laughing out loud

MB: MegaByte
MF: Medium format
MP: MegaPixel

OTOH: On the other hand

PC: Politically correct or personal computer; also a type of flash-synch connector
PPI: Pixels per inch
PDF: Portable Document Format

RGB: Red, green, blue
ROFL: Rolling on the floor laughing

SLR: Single lens reflex - type of camera that allows through-the-lens (TTL) viewing

TIFF or TIF: Tagged image file format - uncompressed image fil format
TLC: Tender loving care
TTL: Through the lens (see SLR)

URL: Uniform Resource Locator (Web address)
USM (Canon): UltraSonic Motor; Canon's fastest, quietest autofocus lens mechanism

VR (Nikon lenses): Vibration Reduction

WTG: Way to go
WYSIWYG ("wizzy-wig"): What you see is what you get

YGTBK: You've got to be kidding
YMMV: Your mileage may vary