Description
The INON UCL-330 Close-Up Lens is a lightweight underwater macro conversion lens designed to dramatically increase the magnification of compatible underwater camera systems. With its powerful +3 diopter optical design, the UCL-330 allows photographers to capture stunning close-up images of small marine life, revealing intricate details that are difficult to achieve with a camera lens alone.
Compact and easy to use, the UCL-330 is an excellent choice for divers looking to expand their macro photography capabilities without investing in a dedicated macro lens. Its wet-mount design allows the lens to be attached or removed underwater, making it easy to adapt to changing subjects throughout a dive.
Key Benefits
-
Enhanced Macro Magnification
Bring small marine life closer for sharper, more detailed underwater images. -
+3 Diopter Optical Design
Provides additional magnification while maintaining a comfortable working distance. -
Wet-Mount Convenience
Attach or remove the lens underwater to quickly adapt to different photographic opportunities. -
Lightweight & Compact
Easy to carry, travel with, and integrate into any underwater camera system. -
Compatible with Multiple Camera Systems
Designed for use with a wide variety of compatible underwater housings and conversion adapters. -
Reliable Optical Performance
Produces clear, high-contrast images with excellent detail for everyday macro photography.
Who It's For
- Beginning and intermediate underwater macro photographers
- Compact camera users
- Mirrorless camera users with compatible housings
- Divers photographing nudibranchs, shrimp, crabs, and coral details
- Travel photographers seeking a lightweight macro accessory
- Anyone wanting to expand their underwater macro capabilities
What’s Included
- INON UCL-330 Close-Up Lens
- Front lens cap
- Rear lens cap
- Protective lens pouch
- User documentation
Key Specifications
- Lens Type: Underwater Close-Up Conversion Lens
- Diopter Strength: +3
- Optical Design: Multi-element close-up lens
- Installation: Wet-mount
- Compatible Systems: Compatible with supported underwater housings and conversion adapters
- Lens Material: Optical glass with anti-reflective coatings
- Construction: Corrosion-resistant aluminum alloy
- Use Case: Underwater macro photography
- Environment: Saltwater and freshwater compatible
FAQ
What is the UCL-330 used for?
It increases the magnification of compatible underwater camera systems, making it easier to photograph small marine life and intricate underwater details.
Who is this lens best suited for?
The UCL-330 is an excellent option for photographers looking to get started with underwater macro photography or those wanting additional magnification without a highly specialized setup.
Can I attach or remove the lens during a dive?
Yes. The wet-mount design allows the lens to be installed or removed underwater as needed.
What subjects are ideal for this lens?
It works well for nudibranchs, shrimp, small fish, coral textures, and other close-up underwater subjects.
Will this lens fit every underwater housing?
Compatibility depends on your housing or adapter. Always verify thread size and compatibility before purchasing.


