No, single or double tray for rx100

[Beta3]

Hi,
I'm currently setting up my compact camera setup for my old Sony rx100 iv (after lost my GoPro on last dive, so will get a proper lanyard this time and no flimsy thin one...).
I already ordered an Isotta casing, which should have -300g underwater weight with camera inside.
I'm interested in pictures and short videos of larger pelagic which would likely be more than 3m away, so don't think lights/strobes would help (or at least those within my initial budget). My next dive trip is Maldives, where would be looking to photograph manta rays / sharks primarily.
I'm thinking whether:
- is a compact camera in small aluminium housing stable enough to hold with hands, or do I need trays?
- if tray, is one handle tray enough or do I need two?
- if no tray, is -300g enough to not need floats?
- if I get a small aluminium tray, like the nauticam or weefine, how much weight will it add?
- if I am approaching -400 to -500, I would think getting floats will be more important to handle ergonomically

I will shoot in raw, and either set white balance during dive or just process post dive.

Appreciate your advice.

Thanks and merry Christmas

 

[Nemrod]

The 300 grams is not too much to carry. The purpose behind a tray is to mount arms to carry lights and strobes of course they help to stabilize the camera as well. But if you are not mounting strobes I would not invest now in a tray. Not sure a Nauticam tray would fit your housing.

Might look on this page for some ideas:

ULCS | Shop Ultralight Camera Solutions

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Just an oinion but you need lights for video and strobes for still and for either if shooting large critters a wide angle lens.

James