Reference Chart

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Page 3 of 23 DL (Dry Lock) Port System Charts Rev. 2020.06.19
OPTION 1
(Recommended)
OPTION 2
OPTION 3
Canon 14 mm EF 1:2.8
Canon 14 mm EF f/2.8L II USM
Canon 15 mm EF f/2.8 Fisheye
AF only.
Product(s) required:
75340 Dome Port
Canon 16-35 mm f/2.8L USM (2001)
AF only.
Product(s) required:
75340 Dome Port
75042 Extension
5509.28 Zoom Gear
Canon 16-35 mm f/2.8L II USM
Superior edge sharpness
compared to shorter port
option. Larger dome is best
for split shots (half-in, half-
out of the water). Zoom
gear may alternatively be
used to manually focus.
Product(s) required:
75340 Dome Port
75028 Extension
75042 Extension
5509.28 Zoom Gear
Optional accessories:
0923.04 Anti-Reflection
Ring
Compact and lightweight for
travel. Better for close focus
wide angle. Zoom gear may
alternatively be used to
manually focus.
Product(s) required:
75344 Dome Port
75028 Extension
75042 Extension
5509.28 Zoom Gear
Optional accessories:
0923.04 Anti-Reflection
Ring
Larger dome is best for split
shots (half-in, half-out of the
water). Zoom gear may
alternatively be used to
manually focus.
Product(s) required:
75340 Dome Port
75050 Extension
5509.28 Zoom Gear
Optional accessories:
0923.04 Anti-Reflection
Ring
Canon 16-35 mm f/2.8L III USM
Larger dome is best for split
shots (half-in, half-out of the
water). AF only.
Product(s) required:
75340 Dome Port
75028 Extension
75050 Extension
5509.14 Zoom Gear
Optional accessories:
0923.05 Anti-Reflection
Ring
Compact and lightweight for
travel. Better for close focus
wide angle. AF only.
Product(s) required:
75344 Dome Port
75028 Extension
75050 Extension
5509.14 Zoom Gear
Optional accessories:
0923.05 Anti-Reflection
Ring