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Aputure
Aputure Light Dome III
$219
Best Photography Softboxes · head-to-head
Aputure Light Dome III vs Elinchrom Rotalux Deep Octa 100cm
A sourced, side-by-side comparison. Aputure Light Dome III is cheaper at $219. Every spec and price links to its source.
Elinchrom
Elinchrom Rotalux Deep Octa 100cm
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Aputure Light Dome III | Elinchrom Rotalux Deep Octa 100cm |
|---|---|---|
| US price | $219 | — |
| Brand | Aputure | Elinchrom |
| Released | — | — |
| Shape | 32-sided circular dome (octa-style) | deep octa |
| Size | 90cm / 3ft diameter | 100cm / 39.4in |
| Mount type | Bowens | Elinchrom (Rotalux Speedring sold separately, item EL-26570) |
| Diffusion layers | 2 (1-stop and 2-stop diffusion cloths included) | 2 |
| Grid included | Yes | No |
| Recessed front | No | Yes |
| Speedring compatibility | Bowens mount; fits all Aputure Bowens-mount COB lights and third-party Bowens lights | Elinchrom native mount by default; the Rotalux speedring system also offers Bowens, Profoto, and Balcar adapter rings sold separately |
| Fabric | reflective interior with 16 heavy-duty steel support rods; quick-folding flat-pack hinged speedring | reflective silver interior cloth (item EL-26219) on a folding rod frame |
Sources — Aputure Light Dome III: aputure.com (verified 2026-08-12). Elinchrom Rotalux Deep Octa 100cm: elinchrom.com (verified 2026-08-12).
What's the difference between the Aputure Light Dome III and Elinchrom Rotalux Deep Octa 100cm?
Where the two actually differ on the specs we track (8 of 8). Matching specs are omitted.
- Shape: Aputure Light Dome III 32-sided circular dome (octa-style) vs Elinchrom Rotalux Deep Octa 100cm deep octa
- Size: Aputure Light Dome III 90cm / 3ft diameter vs Elinchrom Rotalux Deep Octa 100cm 100cm / 39.4in
- Mount type: Aputure Light Dome III Bowens vs Elinchrom Rotalux Deep Octa 100cm Elinchrom (Rotalux Speedring sold separately, item EL-26570)
- Diffusion layers: Aputure Light Dome III 2 (1-stop and 2-stop diffusion cloths included) vs Elinchrom Rotalux Deep Octa 100cm 2
- Grid included: Aputure Light Dome III true vs Elinchrom Rotalux Deep Octa 100cm false
- Recessed front: Aputure Light Dome III false vs Elinchrom Rotalux Deep Octa 100cm true
- Speedring compatibility: Aputure Light Dome III Bowens mount; fits all Aputure Bowens-mount COB lights and third-party Bowens lights vs Elinchrom Rotalux Deep Octa 100cm Elinchrom native mount by default; the Rotalux speedring system also offers Bowens, Profoto, and Balcar adapter rings sold separately
- Fabric: Aputure Light Dome III reflective interior with 16 heavy-duty steel support rods; quick-folding flat-pack hinged speedring vs Elinchrom Rotalux Deep Octa 100cm reflective silver interior cloth (item EL-26219) on a folding rod frame