ZOOM GEAR FOR SIGMA 17-70mm F2.8-4 DC MACRO OS HSM (N/C)

Made for Underwater smartphone housing

4 cm) in diameter when used with the Modular 8-inch Dome

or a bolt snap if that’s your thing

97/25/24/23

Not recommended for heavier lights and strobes and may cause backscatter if used in turbid water conditions

and that is a bottle opener for quick access to your favorite beverage after a dive

A hard anodized aluminum wing nut allows for easy one-handed operation and will withstand years of use

A compatible lens port is required for waterproof operation (sold separately)

the WD-4 and Canon PowerShot G16 combination provides 28mm angle of coverage with incredibly crisp corners

– 480i/576i/480p/576p

25-100mm equivalent f/2-4

Non-rechargeable