SHANNY SN600N Price in Pakistan SN600N on camera speedlite for Nikon parameters: Guide Number: GN60(ISO100,200mm) Wireless Flash: Optical pulse slave High-speed sync: 1/8000s Flash mode: i-TTL/M/RPT Trigger mode: On-camera flash, Optical pulse transmission, Light trigger Flash coverage: 20-200mm (When using wide angle dispersion plate is 14 mm ) Slave flash: Optical pulse slave Nikon (Manual mode), light trigger S1, S2 Shutter sync: High-speed sync, first-curtain sync, rear sync Flash exposure compensation: Yes, 1/3 gear incremental Flash exposure bracketing: Yes Flash exposure lock: Yes Modeling Flash: Yes AF Assit: Yes Manual Flash: 8 levels of output control (1/128~1/1), 1/3 gear incremental Frequency flash: 1~199Hz Recycle time: Quick flash less than 2s, ordinary flash less than 3s Optical pulse transmission distance: About 20m Optical pulse transmission channel: CH.1~CH.4 Flash grouping: Support A/B/C flash group External Interface: Hot-shoe, PC sync interface, external c