# Westcott Rapid Box Switch Octa-M (36in) vs Elinchrom Rotalux Deep Octa 100cm: specs and price compared

A sourced, side-by-side comparison of the Westcott Rapid Box Switch Octa-M (36in) (Westcott) and Elinchrom Rotalux Deep Octa 100cm (Elinchrom) among photography softboxes.

## Side by side

| Spec | Westcott Rapid Box Switch Octa-M (36in) | Elinchrom Rotalux Deep Octa 100cm |
| --- | --- | --- |
| US price | $209.9 | not published |
| Brand | Westcott | Elinchrom |
| Shape | octa | deep octa |
| Size | 36in nominal diameter | 100cm / 39.4in |
| Mount type | Westcott Switch Insert (proprietary quick-lock, not a standard speedring) | Elinchrom (Rotalux Speedring sold separately, item EL-26570) |
| Diffusion layers | 1 | 2 |
| Grid included | No | No |
| Recessed front | — | Yes |
| Speedring compatibility | Not a standard speedring; uses interchangeable Switch Inserts for Bowens/Profoto/Elinchrom/other mounts sold separately | Elinchrom native mount by default; the Rotalux speedring system also offers Bowens, Profoto, and Balcar adapter rings sold separately |
| Fabric | heat-resistant fabric over aluminum frame, taut silver interior | reflective silver interior cloth (item EL-26219) on a folding rod frame |

## Key differences

- Shape: Westcott Rapid Box Switch Octa-M (36in) octa vs Elinchrom Rotalux Deep Octa 100cm deep octa
- Size: Westcott Rapid Box Switch Octa-M (36in) 36in nominal diameter vs Elinchrom Rotalux Deep Octa 100cm 100cm / 39.4in
- Mount type: Westcott Rapid Box Switch Octa-M (36in) Westcott Switch Insert (proprietary quick-lock, not a standard speedring) vs Elinchrom Rotalux Deep Octa 100cm Elinchrom (Rotalux Speedring sold separately, item EL-26570)
- Diffusion layers: Westcott Rapid Box Switch Octa-M (36in) 1 vs Elinchrom Rotalux Deep Octa 100cm 2
- Speedring compatibility: Westcott Rapid Box Switch Octa-M (36in) Not a standard speedring; uses interchangeable Switch Inserts for Bowens/Profoto/Elinchrom/other mounts sold separately 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: Westcott Rapid Box Switch Octa-M (36in) heat-resistant fabric over aluminum frame, taut silver interior vs Elinchrom Rotalux Deep Octa 100cm reflective silver interior cloth (item EL-26219) on a folding rod frame

## Sources

- Westcott Rapid Box Switch Octa-M (36in): https://www.fjwestcott.com/products/rapid-box-switch-octa-m (fjwestcott.com, verified 2026-08-12)
- Elinchrom Rotalux Deep Octa 100cm: https://elinchrom.com/en/Home/Shop/Light_Modifiers/Softboxes/Elinchrom_Softbox_Rotalux_Deep_Octa_100_cm?id=EL-26648 (elinchrom.com, verified 2026-08-12)

Canonical: https://frontdeskreview.com/gear/photography-softboxes/westcott-rapid-box-switch-octa-m-vs-elinchrom-rotalux-deep-octa-100cm/
Cite: Per The Front Desk Review, Westcott Rapid Box Switch Octa-M (36in) ($209.9) vs Elinchrom Rotalux Deep Octa 100cm (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/photography-softboxes/westcott-rapid-box-switch-octa-m-vs-elinchrom-rotalux-deep-octa-100cm/
License: CC BY 4.0.