dSLR Case Interchangeable Ports for CANON DIGITAL CAMERAS

Standard Port System: Our Standard Port System is a series of optical grade acrylic ports which provide exceptional quality at an affordable price. Each model is a complete port of a fixed length. These ports are less expensive, but different ports are generally required for additional lenses.

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Use 5509.28: The "Use 5509.28" column refers to the larger diameter zoom sleeve and clamp set that is included with all dSLR housings. Lenses without this designation will operate with the standard zoom sleeve and clamp set, also included with all dSLR housings. Zoom sleeves and clamps are not interchangeable between sets.

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Dome Ports: Recommended for wide angle lenses, zoom lenses, and 1:1 macro lenses to eliminate vignetting. Standard and telephoto lenses will not benefit by using a dome. The dome port corrects for the refraction effects of water to maintain the same coverage angle underwater as above water.
Port Recommendations: A longer port may be required to stack filters or close-up lenses. Check lens measurements as described on the SLR Port Specifications page to confirm these recommendations.

Modular Port System: Our Modular Port System allows you to build dome and flat ports out of universal components. The interchangeable port bodies and extensions combine to create endless combinations for maximum versatility and performance. All port bodies listed in this chart require the 5510.45 8" Dome Assembly to make a complete port.

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+4 Diopter Required: The addition of a close-up lens is required for many zoom lenses to operate underwater behind a dome port. Any lens that does not focus to 12" (30cm) requires the use of a +4 diopter, available from any camera store.

A diopter is not required for lenses that focus to 12" (30cm), but a +2 Diopter may be added for improved corner sharpness.
Flat Ports: Recommended for standard, macro, and telephoto lenses as these lenses benefit from the refractive effects of water. The flat lens on the port magnifies the underwater subject to appear closer and larger.

Note that if a port is long enough to accommodate the full length of a 1:1 macro lens, the lens may vignette when used at infinity. If access to the lens' full range is desired, then select a dome port instead.

CANON See: SIGMA, TAMRON, TOKINA lenses	Dome or Flat	Standard Port	Modular Port "D" Requires 5510.45 Dome sold separately	Use 5509.28	+4 Diopter Required	Notes
14mm EF 1:2.8	D	5503.50	5510.11			Remove 5503.50 dome shade to prevent vignetting. 8" dome recommended.
14mm EF f/2.8L II USM	D	5503.50	5510.22			Remove 5503.50 dome shade to prevent vignetting. 8" dome recommended.
15mm Fisheye	D	5503	5510.11			8" dome recommended.
20mm	D	5503	5510.11
24mm f/2.8	D	5503	5510.11			May use 5501 or See Chart for Modular flat port option.
24mm f/1.4L USM	D	5503.50	5510.16			AF only. May use 5502 or See Chart for Modular flat port option.
24mm f/1.4L II USM						Lens diameter is too large to operate in port system.
28mm	D	5503	5510.11			May use 5501 or See Chart for Modular flat port option.
35mm f-1.4L USM	D	5503.50	5510.22			May use 5502.41 or See Chart for Modular flat port option.
35mm f/2	D	5503	5510.11			May use 5501 or See Chart for Modular flat port option.
50mm f/2.5 Compact Macro	F	5502.41	See Chart			Flat port recommended. May also use 5503.50 dome port.
60mm EF-S Macro	F	5502	See Chart
100mm Macro	F	5505.5	See Chart
100mm 1:2.8 EF Macro	F	5505.58	See Chart	•		Cannot switch between MF and AF underwater.
100mm 1:2.8 EF USM Macro	F	5505.45	See Chart			Auto Focus only with 5505.45. Manual focus with 5508.45 Standard focus port or See Chart for Modular focus option.
100mm 1:2.8L EF USM w/ Hybrid IS	F	5505.45	See Chart			Auto Focus only with 5505.45. Manual focus with 5508.46 Standard focus port or See Chart for Modular focus option.
10-22mm EF-S	D	5503.50	5510.22	•		8" dome recommended. +2 diopter not required but will improve corner sharpness.
15-85mm 1:3.5-5.6 IS USM Macro						Lens diameter is too large to operate in port system.
16-35mm USM	D	5503.55	5510.24	•		+2 diopter not required but may improve corner sharpness.
16-35mm f/2.8L II USM						Lens diameter is too large to operate in port system.
17-35mm	D	5503.50	5510.16	•	•
17-40mm USM	D	5503.51	5510.24	•		5503.51 is not long enough to add accessory diopters or filters.
17-55mm 1:2.8G IS EF-S						Lens diameter is too large to operate in port system.
17-85mm f4-5.6 EF-S IS USM	D	5503.90	5510.28		•	Auto Focus only. No zoom control with Modular port option.
18-55mm EF-S USM	D	5503	5510.16			May use 5502 or See Chart for Modular flat port option. +2 diopter not required but may improve corner sharpness.
18-55mm EF-S IS	D	5503.50	5510.16			+2 diopter not required but may improve corner sharpness.
18-135mm f/3.5-5.6 IS USM	D		5510.28 +5510.54			Recommended only for use with four port lock housings. Two lock housings can be upgraded, click here for details.
20-35mm	D	5503.50	5510.16		•
20-35mm Ultrasonic	D	5503	5510.16	•	•
22-55mm Ultrasonic	D	5503.50	5510.16	•	•
24-70mm EF f/2.8						Lens diameter is too large to operate in port system.
24-85mm	D	5503.50	5510.16		•
24-105mm						Lens diameter is too large to operate in port system.
28-70mm	D	5503.85			•	No zoom control. Lens must be used at a fixed focal length.
28-80mm & 28-80mm USM	D	5503.50	5510.16		•
28-105mm 1:3.5-4.5 EF USM II	D	5503.55	5510.24	•	•
28-105mm 1:4-5.6 USM	D	5503.50	5510.16	•	•
28-135mm macro USM						Lens diameter is too large to operate in port system.
35-80mm	D	5503	5510.16		•	May use 5502 or See Chart for Modular flat port option.
35-135mm	D	5503.80	5510.24		•

SIGMA AF (Canon)	Dome or Flat	Standard	Modular Port "D" Requires 5510.45 Dome sold separately	Use 5509.28	+4 Diopter Required	Notes
8mm f/3.5 EX DG Circular Fisheye	D	5503.15	5510.11			8" Dome recommended.
10mm F2.8 EX DC Fisheye HSM	D		5510.11			8" Dome recommended.
14mm f/2.8 EX & SM	D	5503.50	5510.16			8" Dome recommended.
15mm FE	D	5503	5510.11			Vignetting will be present with full frame cameras.
24mm F1.8 EX DG Aspherical Macro	D	5503.50	5510.16
50mm Macro	F	5505	See Chart
70mm f/2.8 EX DG macro	F	5508.70	See Chart
90mm f/2.8 1:1 macro SP	F	5505.58	See Chart
105mm f/2.8 EX DG Macro	F	5505.58	See Chart			Auto focus only.
105mm f/2.8 EX macro	F	5505.58	See Chart			Auto focus only.
10-20mm f/4.0-5.6 EX DC HSM	D	5503.50	5510.16			No zoom control. Must be used at fixed focal length. Remove 5503.50 dome shade to prevent vignetting.
12-24mm 1:4.5-5.6 DG HSM						Lens diameter is too large to operate in port system.
15-30mm 1:3.5-4.5 DG						Lens diameter is too large to operate in port system.
17-70mm Macro	D		5510.24			5510.24 allows full use of the lenses' zoom range without vignetting. The 5510.28 port body may provide slightly improved edge sharpness but vignettes in the widest setting. +2 diopter not required but may improve corner sharpness.
18-50mm 1:3.5-5.6 DC	D	5503.55	5510.24			+2 diopter not required but may improve corner sharpness.
18-50mm F2.8 EX DC Macro	D	5503.55	5510.24	•		+2 diopter not required but may improve corner sharpness.
18-125mm F3.8-5.6 DC OS HSM	D	5503.85	5510.28		•	5503.85 vignettes slightly in widest angle setting.
24-70mm F2.8 EX DG Macro						Lens diameter is too large to operate in port system.
24-70mm F3.5-5.6 HF	D	5503	5510.16		•
28-70mm F2.8-4 DG	D	5503.50	5510.22		•
28-70mm F2.8 EX DG	D	5503.80	5510.28	•	•
28-70mm 1:3.5-4.5 UC zoom	D	5503.50	5510.16	•	•
28-80mm F3.5-5.6 Aspherical Macro HF	D	5503.50	5510.16		•
28-80mm F3.5-5.6 Mini Zoom Macro Aspherical	D	5503.50	5510.16		•
28-105mm AF	D	5503.80	5510.24		•
28-135mm F3.8-5.6 Aspherical AF macro	D	5503.80	5510.24	•	•

TAMRON (Canon)	Dome or Flat	Standard	Modular Port "D" Requires 5510.45 Dome sold separately	Use 5509.28	+4 Diopter Required	Notes
10-24mm SP AF 1:3.5-4.5 Di-II LD [IF]	D	5503.50	5510.22			+2 diopter not required but may improve corner sharpness.
11-18mm f/4.5-5.6 Di II LD Aspherical [IF]	D	5503.50	5510.16			+2 diopter not required but may improve corner sharpness.
17-35mm 1:2.8-4 DI LD IF	D	5503.50	5510.16	•		+2 diopter not required but may improve corner sharpness.
17-50mm F2.8 XR Di II LD	D	5503.55	5510.28	•		+2 diopter not required but may improve corner sharpness.
20-40mm 1:2.7-3.5	D	5503.50	5510.16	•	•
24-135mm 1:3.5-5.6 macro AD IF						Lens diameter is too large to operate in port system.
28-75mm 1:2.8 macro XR DI LD	D	5503.80	5510.24	•	•
60mm Macro sP AF F2.0 Di II LD [IF]	F	5502	See Chart			May use 5503.50 Standard Dome or 8" Dome with 5510.16.
90mm Macro 1:2.8	F	5505.58	See Chart

TOKINA (Canon)	Dome or Flat	Standard	Modular Port "D" Requires 5510.45 Dome sold separately	Use 5509.28	+4 Diopter Required	Notes
100mm f/2.8 AT-X AF Pro D	F	5505.58	See Chart	•		Cannot switch between AF and MF underwater.
10-17mm AT-X 107 AF DX	D	5503	5510.11	•		Must remove 5503 dome shade to prevent vignetting. +2 diopter not required but may improve corner sharpness.
11-16mm f2.8 AT-X Pro DX	D	5503.50	5510.22	•		+2 diopter not required but may improve corner sharpness.
12-24mm f/4G ED-IF DX AF-S	D	5503.51	5510.16	•		+2 diopter not required but may improve corner sharpness.