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Aquatica Extension Rings

Extension rings are used along with ports to accomidate different lens lengths. To learn how to properly measure for an extension, please refer to the Extension Dimension Chart (PDF).

Aquatica Extension Ring; 16.5 mm
Aquatica Extension Ring; 16.5 mm

EXTENSION RING; 16.5 mm / .65” (overall 29 mm / 1.15”)

$220.00
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Aquatica Extension Ring; 21.5 mm
Aquatica Extension Ring; 21.5 mm

EXTENSION RING; 21.5 mm / .82” (overall 34 mm / 1.32”)

$220.00
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Aquatica Extension Ring; 28.5 mm
Aquatica Extension Ring; 28.5 mm

EXTENSION RING; 28.5 mm / 1.12” (overall 41 mm / 1.617”)

$220.00
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Aquatica Extension Ring; 39.5 mm
Aquatica Extension Ring; 39.5 mm

EXTENSION RING; 39.5 mm / 1.56” (overall 52 mm / 2.06”)

$220.00
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Aquatica Extension Ring; 54.5 mm
Aquatica Extension Ring; 54.5 mm

EXTENSION RING; 54.5 mm / 2.135” (overall 67 mm / 2.635”)

$285.00
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Aquatica Extension Ring; 63.5 mm
Aquatica Extension Ring; 63.5 mm

EXTENSION RING; 63.5 mm / 2.50” (overall 76 mm / 3.0”)

$285.00
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Aquatica Port Focus Extension Canon 16-35
Aquatica Port Focus Extension Canon 16-35

Port extension with focus knob for Canon 16-35mm f/2.8L (focus gear included)

$419.00
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Aquatica Extension Locking Ring
Aquatica Extension Locking Ring
Extension to Port locking collar This extension to port locking collar is designed to complement the Aquati…
$95.00
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Aquatica Port Focus Extension Canon 17-40
Aquatica Port Focus Extension Canon 17-40

Port extension with focus knob for Canon 17-40mm f/4L (focus gear included)

$419.00
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Sea & Sea to Aquatica Port Adapter
Sea & Sea to Aquatica Port Adapter

Sea & Sea port to Aquatica Housing adapter

$99.00
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Subal to Aquatica Port Adapter
Subal to Aquatica Port Adapter

Subal (old smaller type) port to Aquatica Housing adapter

$99.00
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