Aquatica 48719 Zoom Gear for Sigma 17-70mm f/2.8-4 DC Macro OS HSm & 17-70mm f/2.8-4.5 DC Macro HSM Lens canonical-to-collection Despite its smaller diameter

Despite its smaller diameter

Connects Sea & Sea strobe to housings with Nikonos 5 pin bulk head

Made of optical grade acrylic which has a density factor very similar to water means that minor external scratches on the dome surface are unlikely to show up in the final image

5mm OD / 2

An optical-grade 6-inch diameter dome allows you to fully take advantage of your super wide angle lens

Aquatica 48719 Zoom Gear for Sigma 17-70mm f/2.8-4 DC Macro OS HSm & 17-70mm f/2.8-4.5 DC Macro HSM Lens canonical-to-collection Despite its smaller diameterAquatica Zoom Gear #48719 for Sigma 17 70mm f 2. 8 4 DC Macro OS HSm & 17 70mm f 2. 8 4. 5 DC Macro HSM Lens Special Order Product 4 6 weeks delivery.