1) Lens Kits include
2) Extra Blending Optics Lens
http://www.fish-street.com/maxspect_4x_optics_lens
For customer which want to order Optics Lens, it must order the Lens kit firstly. The Optics Lens can have around 4X PAR Lighting on your tank
* For G1 Customer , it require build in order and waiting around 1 to 2 week for delivery
Please mention for us if you require G1 Lens kit, we default shipping is G2 Lens Kit