# Kowa TSN-99A Prominar vs Zeiss Conquest Gavia 85: specs and price compared

A sourced, side-by-side comparison of the Kowa TSN-99A Prominar (Kowa) and Zeiss Conquest Gavia 85 (Zeiss) among spotting scopes. Zeiss Conquest Gavia 85 is the cheaper of the two at $1999.99.

## Side by side

| Spec | Kowa TSN-99A Prominar | Zeiss Conquest Gavia 85 |
| --- | --- | --- |
| US price | $4499 | $1999.99 |
| Brand | Kowa | Zeiss |
| Objective lens (mm) | 99 | 85 |
| Magnification range | 30-70x | 30-60x |
| Glass type | fluorite | HD |
| Viewing angle | angled | angled |
| Field of view ft1000yd | 105 | 99 |
| Close focus (ft) | — | 10.8 |
| Eye relief (mm) | 17 | — |
| Waterproof | Yes | Yes |
| Nitrogen purged | Yes | Yes |
| Length (in) | — | 15.6 |
| Weight (oz) | — | 60 |

## Key differences

- Objective lens (mm): Kowa TSN-99A Prominar 99 vs Zeiss Conquest Gavia 85 85
- Magnification range: Kowa TSN-99A Prominar 30-70x vs Zeiss Conquest Gavia 85 30-60x
- Glass type: Kowa TSN-99A Prominar fluorite vs Zeiss Conquest Gavia 85 HD
- Field of view ft1000yd: Kowa TSN-99A Prominar 105 vs Zeiss Conquest Gavia 85 99

## Sources

- Kowa TSN-99A Prominar: https://kowaoptics.com/products/tsn-99a-prominar-spotting-scope-angled-body-only (kowaoptics.com, verified 2026-07-11)
- Zeiss Conquest Gavia 85: https://www.zeiss.com/photonics-and-optics/us/nature-observation/products/spotting-scopes/conquest-gavia.html (zeiss.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/spotting-scopes/kowa-tsn-99a-prominar-vs-zeiss-conquest-gavia-85/
Cite: Per The Front Desk Review, Kowa TSN-99A Prominar ($4499) vs Zeiss Conquest Gavia 85 ($1999.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/spotting-scopes/kowa-tsn-99a-prominar-vs-zeiss-conquest-gavia-85/
License: CC BY 4.0.