Reference Chart

!
Page 5 of 23 DL (Dry Lock) Port System Charts Rev. 2020.06.19
OPTION 1
(Recommended)
OPTION 2
OPTION 3
Canon 18-55 mm EF-S USM
Canon 18-55 mm f/3.5-5.6 EF-S IS
Canon 18-55 mm f/3.5-5.6 EF-S IS II
Canon 18-55 mm f/3.5-5.6 IS STM
Superior edge sharpness
compared to shorter port
option. Larger dome is best
for split shots (half-in, half-
out of the water). AF only.
Product(s) required:
75340 Dome Port
75028 Extension
5509.27 Zoom Gear
Optional accessories:
0923.11 Anti-Reflection
Ring
Compact and lightweight for
travel. Better for close focus
wide angle. AF only.
Product(s) required:
75344 Dome Port
75042 Extension
5509.27 Zoom Gear
The magnifying effect of a
flat port is good for macro
photography. The front of
the port is 67mm threaded
and accepts 3” diameter
filters. Lens must be used
between 24-55mm to
eliminate vignetting. AF
only.
Product(s) required:
75301 Flat Port
75020 Extension
5509.27 Zoom Gear
Canon 18-135 mm f/3.5-5.6 EF-S IS
USM
AF only.
Product(s) required:
+4 Diopter Required
75340 Dome Port
75050 Extension
5509.16 Zoom Gear
Canon 18-135 mm f/3.5-5.6 IS STM
Port recommendation not
available.
Canon 20 mm f/2.8 USM
Canon 24 mm f/1.4L EF USM
Canon 24 mm f/1.4L II EF USM
Canon 24 mm f/2.8 EF IS USM
Larger dome is best for split
shots (half-in, half-out of the
water). AF only.
Product(s) required:
75340 Dome Port
Canon 24-70 mm f/2.8L II EF USM
Superior edge sharpness
compared to shorter port
option. AF only.
Product(s) required:
+4 Diopter Required
75340 Dome Port
75028 Extension
75050 Extension
5509.12 Zoom Gear