# Vortex Razor HD 27-60x85 vs Kowa TSN-99A Prominar: specs and price compared

A sourced, side-by-side comparison of the Vortex Razor HD 27-60x85 (Vortex Optics) and Kowa TSN-99A Prominar (Kowa) among spotting scopes. Vortex Razor HD 27-60x85 is the cheaper of the two at $2399.99.

## Side by side

| Spec | Vortex Razor HD 27-60x85 | Kowa TSN-99A Prominar |
| --- | --- | --- |
| US price | $2399.99 | $4499 |
| Brand | Vortex Optics | Kowa |
| Released | 2016 | — |
| Objective lens (mm) | 85 | 99 |
| Magnification range | 27-60x | 30-70x |
| Glass type | HD | fluorite |
| Viewing angle | both | angled |
| Field of view ft1000yd | 117 | 105 |
| Close focus (ft) | 16.4 | — |
| Eye relief (mm) | 17 | 17 |
| Waterproof | Yes | Yes |
| Nitrogen purged | Yes | Yes |
| Length (in) | 15.5 | — |
| Weight (oz) | 65.6 | — |

## Key differences

- Objective lens (mm): Vortex Razor HD 27-60x85 85 vs Kowa TSN-99A Prominar 99
- Magnification range: Vortex Razor HD 27-60x85 27-60x vs Kowa TSN-99A Prominar 30-70x
- Glass type: Vortex Razor HD 27-60x85 HD vs Kowa TSN-99A Prominar fluorite
- Viewing angle: Vortex Razor HD 27-60x85 both vs Kowa TSN-99A Prominar angled
- Field of view ft1000yd: Vortex Razor HD 27-60x85 117 vs Kowa TSN-99A Prominar 105

## Sources

- Vortex Razor HD 27-60x85: https://vortexoptics.com/vortex-razor-hd-27-60x85-angled.html (vortexoptics.com, verified 2026-07-11)
- Kowa TSN-99A Prominar: https://kowaoptics.com/products/tsn-99a-prominar-spotting-scope-angled-body-only (kowaoptics.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/spotting-scopes/vortex-razor-hd-27-60x85-vs-kowa-tsn-99a-prominar/
Cite: Per The Front Desk Review, Vortex Razor HD 27-60x85 ($2399.99) vs Kowa TSN-99A Prominar ($4499) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/spotting-scopes/vortex-razor-hd-27-60x85-vs-kowa-tsn-99a-prominar/
License: CC BY 4.0.