Promaster 200SL TTL Speedlight Electronic Flash for Nikon Digital， Black (4653)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Guide Number: (ISO 100) 60m/200' at 180mm reflector position </span></li><li><span class="a-list-item"> Bounce Position: -7º， 0º， 45º， 60º， 75º， 90º Swivel Position: Right 0º - 180º; Left 0º - 90º </span></li><li><span class="a-list-item"> Flash Coverage: 24 - 180mm (18mm with wide panel) </span></li><li><span class="a-list-item"> Master/Slave Mode: Optical pulse with 3 groups， 4 channels </span></li><li><span class="a-list-item"> Compatible with Nikon DX and FX DSLRs </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41yT-9uLoeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31VDFYKUKSL.jpg" noproxy>