YONGNUO YN585EX Wireless Camera Flash Speedlite with P-TTL Function for Pentax Digital Cameras<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"> YN585EX supports receiving wireless signal from the master unit of AF-360FGZ， AF540FGZ II and other Pentax cameras. It also supports 4 channels， off-camera TTL and manual flash. </span></li><li><span class="a-list-item"> YN585EX supports FEC， FEB， Rear-curtain Sync and Red Eye Reduction， with High Guide Number GN58@ ISO100，105mm；supports TTL， M and MULTI mode. </span></li><li><span class="a-list-item"> YN585EX can be triggered through the camera， wireless triggered by the built-in flash or master flash， or triggered in S1/S2 pre-flash avoidance mode. </span></li><li><span class="a-list-item"> YN585EX is equipped with USB port. It’s convenient to visit the official website of YONGNUO， download the latest firmware and upgrade the speedlite. </span></li><li><span class="a-list-item"> Supports auto and manual zooming， the flash can coverage can be changed between 20-105mm and the charging recycle time is 3s when the speedlite is used with maximum output power. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41e2GsKm%2BQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41dxUhRVwbL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41yKfpbwKrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/418NGN1zJeL.jpg" noproxy>