D90 - light reflected with any sync speed below and including 1/200 in commander mode: Nikon DX SLR (D40-D90, D3000-D7500) Talk Forum: Digital Photography Review
Nikon D7000 with Nikkor 16-85/3.5-5.6 and SG-31R IR panel | Flickr
Nikon SG-3IR IR Panel for Built-in Flash D200, D70, D70S Boxed from Japan | eBay
Nikon SG-3IR IR Panel for Built-In Flash (D200, D70, D70S) at KEH Camera
Amazon.com : Nikon SG-3 IR Panel for Built-in-Flash : Camera Flash Accessories : Electronics