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Product Information
The Fantasea Bayonet Female on M67 Housing MB1 is a female bayonet mount that attaches to almost any flat housing lens port or lens holder featuring a 67mm thread, letting you install and remove a compatible wet lens with a 1/4 turn. It is made of hard anodized aluminum and measures 100 x 10.5 mm (3.94 x 0.4 inch), weighing 66.5 g (2.35 oz).
Who it is for
This bayonet is for underwater photographers who use a housing or lens holder with a 67mm thread. It suits photographers who want to install and remove compatible wet lenses with a 1/4 turn instead of unscrewing them.
Key details
- Material: Hard Anodized Aluminum
- Dimensions (D x L): 100 x 10.5 mm / 3.94 x 0.4 inch
- Weight: 66.5 g / 2.35 oz
- Attachment: 1/4 turn bayonet mount
Compatibility and sizing
This female bayonet is compatible with almost any housing flat lens port featuring a 67mm thread, as well as with the Fantasea Lens Holder 67mm for UL arm (Cat. No. 4071). For a list of compatible male bayonets, check the Bayonet Mounting System Chart.
What's in the box
- Bayonet
- Retainer ring wrench
- Instruction manual
DiveCatalog.com is an authorized Fantasea dealer and a dive shop in Irvine, California, serving divers since 2003. Call 888-701-4017 or chat with us if you have questions about fit or compatibility with your housing or lens holder.
- Material: Hard Anodized Aluminum.
- Dimensions: 100 x 10.5 mm (3.94 x 0.4 inch), diameter by length.
- Weight: 66.5 g (2.35 oz).
- Mount type: Female bayonet with 1/4 turn attachment.
- Port compatibility: Fits almost any housing flat lens port featuring a 67mm thread.
- Lens holder compatibility: Compatible with the Fantasea Lens Holder 67mm for UL arm (Cat. No. 4071).
- Male bayonet compatibility: See the Bayonet Mounting System Chart for compatible male bayonets.
- Included items: Bayonet, retainer ring wrench and instruction manual.
| Brand | Fantasea |
| Model | Bayonet Female on M67 Housing MB1 |
| Cat. No. | 4050 |
| Material | Hard Anodized Aluminum |
| Dimensions (D x L) | 100 x 10.5 mm / 3.94 x 0.4 inch |
| Weight | 66.5 g / 2.35 oz |
| Mount type | Female bayonet, 1/4 turn |
| Thread compatibility | 67mm flat lens port thread |
| Compatible accessory | Fantasea Lens Holder 67mm for UL arm (Cat. No. 4071) |
- Bayonet
- Retainer ring wrench
- Instruction manual
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
What is the Fantasea Bayonet Female on M67 Housing MB1 used for?
It is a female bayonet mount that attaches to a flat housing lens port or lens holder with a 67mm thread, allowing a compatible wet lens with a matching male bayonet to be installed or removed with a 1/4 turn. It is made of hard anodized aluminum and weighs 66.5 g.
Will this bayonet fit my housing's lens port?
It is compatible with almost any housing flat lens port that features a 67mm thread. It is also compatible with the Fantasea Lens Holder 67mm for UL arm (Cat. No. 4071). For specific male bayonet lens compatibility, consult the Bayonet Mounting System Chart.
What is included with the Fantasea Bayonet Female on M67 Housing MB1?
The box includes the bayonet itself, a retainer ring wrench, and an instruction manual. No lens or housing is included; this part is the female bayonet attachment only.














