Brand: VILTROX
Model: JY-620
1. Type: top flash
    Camera Compatibility: standard hot shoe camera
    Flash index: 40 (50 mm focal length， ISO 100， in meters)
    Flash coverage: 50 mm
2. Exposure Control
    Exposure control system: strobe flash， manual flash
    Effective range: 0.7-29 m (using EF50mmf / 1.4， the lens ISO 100 meters)
    Flash exposure compensation: between 0.3 in 1/3 or 1/2 stop increments adjustment
    Flash exposure confirmation: Flash exposure confirmation lamp lights
3. Flash Oki
    Charging time: 3.0 seconds Wyatt (using AA-size alkaline batteries)
     Flash ready indicator: red light is on
The wireless slave unit
      Delivery methods: optical transmission faction punch
      Deputy flash mode: S1 S2
      External power supply: Compatible Canon CP-E4
      The transmission range: Reception angle: level of about 40 degrees， about 30 degrees vertical
        Dimensions (W * H * D) 72 * 122 * 101 mm
      Weight: about 320 grams (only flash， do not wrap the battery)
Recommended reason: Powerful: M manual gear S1 has a wireless light control and powerful 430EX strobe function with the same paragraph
Brightness adjustment: 1/1 1/2 1/4 1/8 1/16 1/32 1/64 1/128
Lead flashing function: lead flashing light S1 / S2
The flash has a total of about 90 degrees up and down the rotation to 270
Accessories Description: a flash， a flash bags， a base， a warranty card， manual.

Applicable models:
Canon Series (SX40 SX50 450d， 550d， 600d， 40d， 50d， 60d， 7d， 5d2，5d3 ，， etc.)
Nikon series (d3000， d3100， d5000， d5100， d90， d7000， d700， d300， etc ，，)
VILTROX JY-620 top flash
Canon Ni Kangbin have other models of Panasonic Olympus Fuji This flash utility (Sony cameras require additional conversion head)