Reference Chart

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Page 16 of 23 DL (Dry Lock) Port System Charts Rev. 2020.06.19
OPTION 1
(Recommended)
OPTION 2
OPTION 3
Sigma 8-16 mm F4.5-5.6 DC HSM
Superior edge sharpness
compared to shorter port
option. AF only.
Product(s) required:
75340 Dome Port
75042 Extension
5509.68 Zoom Gear
AF only.
Product(s) required:
75340 Dome Port
5509.68 Zoom Gear
Sigma 10 mm F2.8 EX DC Fisheye
HSM
Some vignetting (dark
shadows in the corners of
the image) may be present
with full frame cameras. AF
only.
Product(s) required:
75340 Dome Port
Sigma 10-20 mm f/3.5 EX DC HSM
Port recommendation not
available.
Sigma 10-20 mm f/4.0-5.6 EX DC
HSM
Larger dome is best for split
shots (half-in, half-out of the
water). AF only.
Product(s) required:
75340 Dome Port
75020 Extension
5509.33 Zoom Gear
Compact and lightweight for
travel. Best for close focus
wide angle. AF only.
Product(s) required:
75344 Dome Port
75028 Extension
5509.33 Zoom Gear
Sigma 12-24 mm f/4.5-5.6 DG HSM
Port recommendation not
available.
Sigma 14 mm f/1.8 DG HSM Art
AF only.
Product(s) required:
75340 Dome Port
75028 Extension
75042 Extension