# SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C) vs 8Sinn Cage for Sony a7S III/a7 IV/a7R V: specs and price compared

A sourced, side-by-side comparison of the SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C) (SmallRig) and 8Sinn Cage for Sony a7S III/a7 IV/a7R V (8Sinn) among camera cages. SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C) is the cheaper of the two at $57.99.

## Side by side

| Spec | SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C) | 8Sinn Cage for Sony a7S III/a7 IV/a7R V |
| --- | --- | --- |
| US price | $57.99 | $149 |
| Brand | SmallRig | 8Sinn |
| Compatible camera | Sony a7 IV, a7 V, a7R IV, a7R V, a7S III, a1 | Sony a7S III, a7 IV, a7R V |
| Material | Aluminum Alloy, Stainless Steel, Silicone | — |
| Cage type | full | full |
| Arca swiss baseplate | Yes | No |
| Cold shoe mounts | 1 | 1 |
| Nato rail | Yes | No |
| Weight (g) | 188 | 165 |
| Quick release compatible | Yes | No |

## Key differences

- Compatible camera: SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C) Sony a7 IV, a7 V, a7R IV, a7R V, a7S III, a1 vs 8Sinn Cage for Sony a7S III/a7 IV/a7R V Sony a7S III, a7 IV, a7R V
- Arca swiss baseplate: SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C) Yes vs 8Sinn Cage for Sony a7S III/a7 IV/a7R V No
- Nato rail: SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C) Yes vs 8Sinn Cage for Sony a7S III/a7 IV/a7R V No
- Weight (g): SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C) 188 vs 8Sinn Cage for Sony a7S III/a7 IV/a7R V 165
- Quick release compatible: SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C) Yes vs 8Sinn Cage for Sony a7S III/a7 IV/a7R V No

## Sources

- SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C): https://www.smallrigreseller.com/smallrig-full-cage-for-sony-alpha-7-iv-alpha-7s-iii-alpha-1-3667.html (smallrigreseller.com, verified 2026-08-16)
- 8Sinn Cage for Sony a7S III/a7 IV/a7R V: https://www.8sinn.com/8sinn-cage-for-sony-a7siii.html (8sinn.com, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/camera-cages/smallrig-full-cage-sony-a7-iv-vs-8sinn-cage-sony-a7siii-a7iv-a7rv/
Cite: Per The Front Desk Review, SmallRig Full Camera Cage for Sony a7 IV/a7R V/a7R IV/a7S III/a1/a7 V (3667C) ($57.99) vs 8Sinn Cage for Sony a7S III/a7 IV/a7R V ($149) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/camera-cages/smallrig-full-cage-sony-a7-iv-vs-8sinn-cage-sony-a7siii-a7iv-a7rv/
License: CC BY 4.0.