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Product Information
The Fantasea Bayonet Female on M52 Housing MB3 is a female bayonet adapter that attaches to almost any flat housing lens port or lens holder featuring a 52mm thread, letting a diver install or remove a wet lens equipped with a compatible male bayonet with a simple 1/4 turn.
Who it is for
This bayonet is for underwater photographers whose housing or lens holder has a flat lens port with a 52mm thread and who want to swap wet lenses on a compatible male bayonet without unscrewing a threaded ring each time.
Key details
- Material: hard anodized aluminum
- Dimensions (D x L): 100 x 10.5 mm (3.94 x 0.4 inch)
- Weight: 65 g (2.3 oz)
- Mounting: 1/4 turn to attach or remove a compatible male bayonet wet lens
Compatibility and sizing
The MB3 bayonet is compatible with almost any housing flat lens port featuring a 52mm thread. For compatible male bayonets, consult 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 since 2003; call 888-701-4017 or chat with us if you have questions about fit or compatibility with your housing's lens port.
- Female bayonet design attaches to almost any flat housing lens port or lens holder featuring a 52mm thread.
- Quick 1/4 turn mounting allows installing and removing a compatible male bayonet wet lens without unscrewing.
- Hard anodized aluminum construction for the bayonet body.
- Compact dimensions measuring 100 x 10.5 mm (3.94 x 0.4 inch).
- Lightweight at 65 g (2.3 oz).
- Broad port compatibility fits housing flat lens ports or lens holders with a 52mm thread.
- Included retainer ring wrench for installation.
- Included instruction manual for setup guidance.
| Brand | Fantasea |
| Model | Bayonet Female on M52 Housing MB3 |
| MPN | 4072 |
| Material | Hard Anodized Aluminum |
| Dimensions (D x L) | 100 x 10.5 mm (3.94 x 0.4 inch) |
| Weight | 65 g (2.3 oz) |
| Mounting Type | 1/4 turn bayonet |
| Thread Compatibility | 52mm flat lens port thread |
- 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 included with the Fantasea MB3 bayonet?
The Fantasea Bayonet Female on M52 Housing MB3 ships with the bayonet itself, a retainer ring wrench for installation, and an instruction manual. No lens or housing is included; the bayonet is designed to mount onto an existing housing flat lens port or lens holder with a 52mm thread.
Which lens ports fit the Fantasea MB3 bayonet?
The MB3 bayonet fits almost any housing flat lens port or lens holder that has a 52mm thread. Once mounted, it accepts wet lenses equipped with a compatible male bayonet. For specific male bayonet compatibility, refer to the Bayonet Mounting System Chart.
How do I attach a wet lens to the MB3 bayonet?
First, thread the MB3 female bayonet onto the housing's 52mm flat lens port or lens holder. Then align a wet lens fitted with a compatible male bayonet and turn it a quarter turn to lock it in place; removal is done the same way in reverse.
How much does the Fantasea MB3 bayonet weigh and what is it made of?
The MB3 bayonet is made of hard anodized aluminum and weighs 65 g (2.3 oz). It measures 100 x 10.5 mm (3.94 x 0.4 inch), making it a lightweight addition to a housing's flat lens port setup.












