Opteka i-TTL Auto-Focus Dedicated Flash Speedlite (IF-500) for Nikon D4S， D5， D4， D3X， D810， D800， D750， D700， D610， D600， D500， D7200， D7100， D5500， D5300， D5200， D3300 and D3200 Digital SLR Cameras[Product Information]- Enter your model numberto make sure this fits.
- Compatible with Nikon digital SLR cameras featuring i-TTL support
- Guide number at ISO 100 of 130' at 105mm
- TTL， RPT and Full manual control option from 1/1 to 1/128 power
- Recycle time of 0.2 to 6 seconds
- Exposure compensation from -3 to +3 EV
