Adorama offers the Sunpak PZ40X II Flash for Nikon TTL, D-TTL and i-TTL Cameras, model no. PZ040N2, for $49.95 with free shipping. That's the lowest total price we could find by $105. This hot shoe flash features an AF assist beam, automatic power zoom range from 24mm to 80mm, bounce flash head with 90° range, and more.