Reference Chart

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Page 18 of 23 DL (Dry Lock) Port System Charts Rev. 2020.06.19
OPTION 1
(Recommended)
OPTION 2
OPTION 3
Sigma 18-55 mm f/1.8 Art
AF only.
Product(s) required:
75340 Dome Port
75028 Extension
5509.28 Zoom Gear
Sigma 20 mm f/1.4 DG HSM Art
AF only.
Product(s) required:
75340 Dome Port
75028 Extension
75037 Extension
Sigma 24 mm f/1.4 DG HSM Art
Sigma 24 mm f/1.8 EX DG Aspherical
Macro
AF only.
Product(s) required:
75340 Dome Port
Sigma 24-35 mm f/2 DG HSM Art
Zoom gear not available a
this time. Lens must be
used at a fixed focal length.
AF only.
Product(s) required:
75340 Dome Port
75042 Extension
Sigma 35 mm f/1.4 DG HSM Art
AF only.
Product(s) required:
75340 Dome Port
75028 Extension
Sigma 50 mm f/1.4 DG HSM Art
AF only.
Product(s) required:
75301 Flat Port
75042 Extension
Larger dome is best for split
shots (half-in, half-out of the
water). AF only.
Product(s) required:
+4 Diopter Required
75340 Dome Port
75042 Extension
Compact and lightweight for
travel. AF only.
Product(s) required:
+4 Diopter Required
75344 Dome Port
75042 Extension