It provides a matchbox sized digital camera with backplate LCD screen and so-so 14MP stills and 4K video.

Falling somewhere in between these options is the small yet outwardly robust SeaLife ReefMaster RM-4K.

To use the camera in water you have to secure it inside the provided rubber-sealed, screw-fastened plastic housing.

SeaLife ReefMaster RM-4K waterproof camera on a stony waterside

(Image credit: Future | Gavin Stoker)

While this doesnt make for the fastest or most responsive of setups, it works.

The price is comparable to that of a toughened, waterproofed point-and-shoot camera.

So far so intuitive.

SeaLife ReefMaster RM-4K…

Essentially its a case of pointing the camera, pressing the button, and hoping for the best.

Should I buy the SeaLife ReefMaster RM-4K?

It also demonstrated that its best to configure shooting tweaks in advance, rather than in the moment.

Prime

ReefMaster RM-4K Pro 2000 Set

Walmart - View Similar

SeaLife ReefMaster RM-4K waterproof camera on a stony waterside

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K waterproof camera on a stony waterside

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K waterproof camera on a stony waterside

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K waterproof camera on a stony waterside

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K photos alongside a river front

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K photos alongside a river front

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K photos alongside a river front

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K photos alongside a river front

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K photos alongside a river front

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K photos alongside a river front

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K photos on a river surface

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K photos alongside a river front

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K photos alongside a river front

(Image credit: Future | Gavin Stoker)

Murky underwater photo taken with the SeaLife ReefMaster RM-4K

(Image credit: Future | Gavin Stoker)

Murky underwater photo taken with the SeaLife ReefMaster RM-4K

(Image credit: Future | Gavin Stoker)

Murky underwater photo taken with the SeaLife ReefMaster RM-4K

(Image credit: Future | Gavin Stoker)

Murky underwater photo taken with the SeaLife ReefMaster RM-4K

(Image credit: Future | Gavin Stoker)

SeaLife ReefMaster RM-4K waterproof camera on a stony waterside

OM System Tough TG-7

Image