title_left:  "Canon ST-E3-RT Speedlite Transmitter"@en Transmitter 5743B002 - Studio Depot"@en
description_left: "
  For Speedlite 600EX-RT and 430EX III-RT flashes
  Two-way transmission up to 98.4' away
  Compact design
  8 types of custom functions
  E-TTL II flash, manual flash, stroboscopic, auto external flash metering
  "@en 
specTableContent_left:  Type  Radio transmissions wireless Speedlite transmitter  Transmission Range  Approx. 98.4 ft (30m) Flash Control  Ratio control: 1:8 - 1:1 - 8:1, power 1/2-stop increments Coverage  Flash coverage: Transmission Angle: 360 degrees all around  Power Source   2x AA/LRG Alkaline Batteries (Ni-MH and Lithium batteries can also be used) Battery Life: Approx. 10 hours continuously when using AA/LR6 alkaline batteries (At a room temperature of 73°F/+23°C) Dimensions   2.65 x 2.42 x 3.05" (67.4 x 61.5 x 77.4 mm)
title_right:  "Canon Speedlite 600EX II-RT"@en II-RT 1177C002 - Studio Depot"@en
description_right: "
  Effective flash range of 2.3 to 77.4'
  Exposure compensation of ±3 EV in 1/3 or 1/2 step increments
  Light Distribution settings allow for Standard, Guide Number Priority, and Even Coverage
  Radio master and slave functionality 
  Use in up to 15 flash setups
  10 custom Functions and 8 personal Functions 
  LCD panel on rear for viewing and changing settings
  AF assist beam with range of up to 13.1'
  Fresh batteries will provide approximately 180 full-power flashes
  "@en 
specTableContent_right:  Compatible Cameras Type-A EOS cameras (E-TTL II/E-TTL autoflash) Type-B EOS cameras (TTL autoflash)  Guide Number Approx. 49.2 ft/15m at ISO 100 Number of Flashes Approx. 100 - 700 flashes Recycling Time Nominal Flash: 0.1 - 5.5 sec Quick Flash: 0.1 - 3.3 sec  Flash Range Effective flash range with EF 50mm f/1.4 lens at iso100 Normal: Approx. 1.56 - 91.2 ft/0.5-27.8m Quick Flash: Approx. 1.6 - 48.6 ft/0.5-14.8m High-Speed Sync: Approx. 1.6-48.2ft/0.5-14.7m  AF Assist Beam Infrared AF-assist beam TTL second image formation phase-difference AF Support 1-65 AF points Phase-difference AF during viewfinder shooting Quick mode during Live View Shooting or movie shooting Effective Range: At center: 2.0 - 32.8 ft/0.6-10m At periphery: 2.0-16.4 ft/0.6-5.0m  Custom Functions 15 Functions 6 Functions  Power Source Four AA-size/LR6 alkaline or AA/HR6 Ni-MH batteries External Power Source Compatible (Compact Battery Pack CP-E4N recommended) Dimensions 3.10 x 5.64 x 4.83 in/78.7 143.2 x 122.7mm Weight Approx. 15.34 oz/435g