iShoot CNC 84mm Tripod Mount Ring Collar for Sigma 100-400mm vs iShoot Lens collar tripod mount ring for Sigma 105mm / 100-400mm
Overall winner: iShoot CNC 84mm Tripod Mount Ring Collar for Sigma 100-400mm
Key Differences
Product A (B07QBZ56S3) is CNC machined from aviation aluminum and is tailor-made for a specific Sigma 100-400mm variant but notes incompatibility with the Sigma 100-400mm f/5-6.3 DG DN OS and limited EF/DSF mount compatibility. Product B (B08GYBDL99) includes a built-in Arca‑Swiss plate and a grooved inner wall for a secure fit and lists compatibility with Sigma 105mm / 100-400mm variants but has fewer customer reviews
iShoot CNC 84mm Tripod Mount Ring Collar for Sigma 100-400mm
CNC machined aviation aluminum lens collar designed for Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary (EF/DSF mount). Includes built-in ARCA-Swiss compatible quick release plate. customer insight notes mixed sentiment remains unavailable
Pros
- tailor-made for specific lens
- aviation aluminum construction
- CNC precisely machined
- weight-reducing hollow-out design
Cons
- not compatible with Sigma 100-400mm f/5-6.3 DG DN OS
- limited compatibility to EF/DSF mounts
iShoot Lens collar tripod mount ring for Sigma 105mm / 100-400mm
Lens collar mount ring compatible with Sigma 105mm F1.4 DG HSM Art and 100-400mm f/5-6.3 DG DN OS; built-in Arca-Swiss quick-release. 170g weight, 82mm inner diameter, 18mm width, grooved inner wall, protective film, non-slip locking knob. customer insight: none
Pros
- compatible with specific Sigma lenses
- built-in Arca-Swiss plate
- grooved inner wall for secure fit
- lightweight at ~170g
Cons
- not compatible with some Sigma lenses
- customer insight unavailable
- limited compatibility listed
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Tie |
| Durability | iShoot |
| Versatility | iShoot |
| User Reviews | iShoot |