Reference Chart

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Page 8 of 23 DL (Dry Lock) Port System Charts Rev. 2020.06.19
OPTION 1
(Recommended)
OPTION 2
OPTION 3
Canon 50 mm f/1.4 EF USM
Canon 50 mm f/1.8 STM
Canon 50 mm f/1.8 STM II
Magnified image and
narrower angle of coverage
underwater. AF only.
Product(s) required:
75301 Flat Port
Full angle of coverage
underwater. Lens will not
be able to focus at infinity
above water with the
diopter attached. AF only.
Product(s) required:
+4 Diopter Required
75340 Dome Port
Compact and lightweight for
travel. Full angle of
coverage underwater. Lens
will not be able to focus at
infinity above water with the
diopter attached. AF only.
Product(s) required:
+4 Diopter Required
75344 Dome Port
Canon 60 mm f/2.8 EF-S Macro
Manual focus with optional
focus gear. AF/MF switch
not accessible underwater.
Product(s) required:
75301 Flat Port
Optional accessories:
5509.28 Focus Gear
Canon 100 mm f/2.8 EF USM Macro
(non-IS)
AF only.
Product(s) required:
75301 Flat Port
75050 Extension
Provides room to add a
diopter to the front of the
lens. AF only.
Product(s) required:
75301 Flat Port
75028 Extension
75042 Extension
Canon 100 mm f/2.8L EF IS USM
Macro
Manual focus with optional
focus gear.
Product(s) required:
75301 Flat Port
75050 Extension
Optional accessories:
5509.71 Focus Gear
Provides room to add a
diopter to the front of the
lens. Manual focus with
optional focus gear.
Product(s) required:
75301 Flat Port
75028 Extension
75042 Extension
Optional accessories:
5509.71 Focus Gear