B00BSEEXVY Sea & Sea VF180 1.2x Straight Prism Viewfinder

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Construction: corrosion-resistant aluminum alloy [anodized body (Black)] Depth rating: 100m / 330ft
Dimensions (DIAxD): 45x111mm / 1.8×4.4inches
Weight: 275g / 9.6oz
Compatible housings: (models produced after the year 2007) : RDX-600D, RDX-550D (* 2), MDX-D7000, MDX-7D, MDX-D300s, MDX-PRO D700, MDX-PRO 5D Mark II (* 1), MDX-PRO D3 (* 2), MDX-D300 (* 2), MDX-40D (* 2)