SeaLife Micro Wide Angle Dome Lens (For Micro Series & RM-4K, Includes lanyard & protective pouch)

SeaLifeSKU: SL052

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Sale price$349.00


The Micro Wide Angle Dome Lens for Micro-series and ReefMaster RM-4K underwater cameras increases the camera’s field-of view by almost 50% and allowing photographers to get three times closer to the subject.

The Micro Wide Angle Dome Lens design uses high-grade optics arranged in a 4- element/4- group array that delivers crisp edge-to-edge sharpness. The internal elements are fully multi-coated optical glass. The dome lens is optical polycarbonate with hard, anti-scratch coating. The lens has a 13.3mm film-equivalent effective focal length when used with the SeaLife Micro 3.0 and is waterproof to 200ft/60m.

The lens fits all SeaLife Micro-series cameras (Micro HD, HD+, Micro 2.0, Micro 3.0) and also works with the SeaLife ReefMaster RM-4K increasing the tiny camera’s shooting angle to a massive 196°. The Micro Wide Angle Dome Lens increases the Micro 3.0 shooting angle by 43% to 143° (in air) and allows the user to get almost 3x closer to the subject.

The Micro Wide Angle Dome Lens is a “wet lens” and easily attaches and removes underwater. A locking ring prevents the lens from accidently detaching when bumped or in rougher water conditions. The lens weighs 11.7 ounces (331 grams) and is negatively buoyant. A lanyard is included to prevent loss underwater and the lens can dock on the Lens Caddy (SL091) when not in use.

The rotatable light shade prevents unwanted glare from external lighting or sunlight, as well as protect the dome lens from bumps and abrasion.


  • Get 3x closer and 43% wider field-of-view
  • Optical design corrects barrel distortion and optimizes edge-to-edge sharpness
  • 0.7x wide-angle conversion
  • Fully multi-coated optics for maximum light transmission
  • Fits all SeaLife Micro-series and ReefMaster RM-4K cameras
  • Easily attach/remove lens while underwater
  • Attaches to SeaLife “Lens Caddy” Lens Holder (Item SL091)
  • Precision 4-element/4-group high-grade optics (internal optical glass)
  • Polycarbonate dome lens with scratch resistant hard coating
  • Includes neoprene dome lens cover, rear lens cap and protective pouch
  • Waterproof to 200ft / 60m
  • Specifications

    Optical Construction 4 elements / 4 groups
    Angle of View Micro 3.0: Increases field-of-view from 100° to 143°
    RM-4K Increases field-of-view from 140° to 196°
    Optical Coatings Air-to-glass surfaces fully multi-coated with anti-reflective coating
    Magnification Ratio 0.7x underwater
    Attachment Method Push-on lens ring locks on to SeaLife Micro-series and RM-4K cameras on land or while underwater
    Focus Ranges Get 3x closer: 5” to infinity with Micro 3.0; 4” to infinity with RM-4K
    Lens Weight (Lens Only) 331 grams / 11.7 ounces on Land; 170 grams / 6.0 ounces underwater
    Lens Dimensions 3.9” diameter x 1.6” length (99 mm diameter x 40mm length)
    Construction Black Hard Anodized (type III) Aluminum
    Depth Depth tested to 200’ (60 m)
    Buoyancy Negative
    Warranty 1 year limited warranty
    Packaging Dimensions 4.8” x 4.8” x 2.4” (123mm x 123mm x 60mm)
    Packaging Weight 1 lb. (453 grams)
    Country of Origin Designed/Engineered in USA, Made in China

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