Reference Chart

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Page 19 of 23 DL (Dry Lock) Port System Charts Rev. 2020.06.19
OPTION 1
(Recommended)
OPTION 2
OPTION 3
Sigma 50 mm f/1.4 EX DG HSM
AF only.
Product(s) required:
75301 Flat Port
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
Sigma 50 mm f/2.8 EX DG Macro
Manual focus with optional
focus gear.
Product(s) required:
75301 Flat Port
Optional accessories:
5509.28 Focus Gear
Larger dome is best for split
shots (half-in, half-out of the
water). AF only.
Product(s) required:
75340 Dome Port
Sigma 70 mm f/2.8 EX DG Macro
AF only.
Product(s) required:
75301 Flat Port
75020 Extension
75050 Extension
Sigma 90 mm f/2.8 1:1 Macro SP
Sigma 105 mm f/2.8 EX Macro
Sigma 105 mm f/2.8 EX DG Macro
Port recommendation not
available.
Sigma 105 mm f/2.8 EX DG OS HSM
Macro
AF only.
Product(s) required:
75301 Flat Port
75020 Extension
75042 Extension
AF only.
Product(s) required:
75301 Flat Port
75028 Extension
75042 Extension
AF only.
Product(s) required:
75301 Flat Port
75020 Extension
75050 Extension