canon 430ex speedlite flash for canon pro1, pro 90, g series and all eos slr cameras

replaces the canon speedlite 420ex flash
automatic selection of camera white-balance settings and auto-adjustment of zoom flash position to match camera's sensor size
flash head zoom covers the range 24mm to 105mm; integrated diffusion panel allows extends coverage to 14mm
compatible with distance-linked e-ttl ii system; supports other eos cameras that do not support e-ttl ii, when required
flash head moves up from 0 to 90 degrees, left from 0 to 180 degrees, and right from 0 to 90 degrees

type: mode: e-ttl ii, e-ttl, ttl
compatible cameras: all canon eos cameras; powershot pro1, g6, g5, g3 and g2
guide number: 141 ft./43m (at iso 100); flash head at 105mm zoom setting
flash coverage: fixed condenser lens with inner zoom: (1) auto zoom, (2) manual zoom, (3) wide panel
zoom positions: 24mm, 28mm, 35mm, 50mm, 70mm, 80mm, 105mm; indicated by numerals on the lcd's focal length display
image size zoom control: with cameras compatible with auto zoom, it zooms automatically to match the camera's image size
number of flashes: approx. 200 to 1,400, with aa-size alkaline batteries manufactured within the last three months or aa-size ni-mh fully charged batteries.
recycling time: approx. 0.1 to 3.7 seconds (aa-size alkaline batteries)/0.1 to 2 seconds (aa-size ni-mh batteries)
flash range: at iso 100, with ef 50mm f/1.4
for normal flash: approx. 2.3-79.7 ft./0.7-24.3m
for high sync speed (ef flash): approx. 2.3-39.4 ft./0.7-12m
af assist beam: built-in; covers all focus points in eos cameras up to 9 af points
effective range:
at center: approx. 2.3-32.8 ft./0.7-10m
periphery: approx. 2.3-16.4 ft./0.7-5m (in total darkness)
custom functions: six user-selectable custom functions built-in; set on speedlite's lcd panel
power source: four aa-size alkaline batteries (6v); four aa-size ni-mh (4.8v)
dimensions: 2.8 x 4.8 x 4.0 in./72 x 122 x 101mm
weight: 11.6 oz./330g (without batteries)