FAQ's & Information: How to install lens into WonderPana Filter Holder for Tokina 10-17mm f/3.5-4.5 AT-X 107 DX AF Fisheye LensUpdated 2 years agoHow to install the Tokina 10-17mm lens into the WonderPana filter holder.1. Make sure the tension ring is loosened ( Turn it to the RIGHT) the ring does NOT come offon this model!2. The lens fits in from the back of the WonderPana Filter Holder & slides in all the way till it rests on the pedal tabs3. The tabs in the WonderPana should rest on the lens Pedals notches as shown below.4. Now make sure to tighten the ring on the WonderPana (turn it to the LEFT to tighten).And you are now ready to use your WonderPana Filter holder. Was this article helpful? YesNo