Aquatica 18731 Zoom Gear for Tokina 10-17mm f/3.5-4.5 DX Fisheye Lens with 1.4X Converter Attached TTL so that you can slide

so that you can slide the bolt in and out of the holes in the adapter and the lighting arm

Product Details A special zoom gear for use with the Samsung 16-50mm Lens and Ikelite housing

does away with the blunt boxy shape normally associated with this type of viewfinder

or car roll bar (Roll Cage)

View the DLM/C Lens Port Chart

Aquatica 18731 Zoom Gear for Tokina 10-17mm f/3.5-4.5 DX Fisheye Lens with 1.4X Converter Attached TTL so that you can slideAquatica Zoom Gear #18731 for Tokina 10 17mm f 3. 5 4. 5 DX Fisheye Lens with 1. 4X Converter Attached Compatible with the Tokina 10 17mm f 3. 5 4. 5 AF DX lens + Kenko 1. 4x Converter in Aquatica's 18410 or 18409 Dome Port. Special Order Product 4 6 weeks delivery.