Remarkably small and lightweight, the TSN-55 PROMINAR Spotting Scope from Kowa offers the same sharp, aberration-free viewing experience as its larger siblings in a highly compact package. The 10" scope comes with Kowa's TE-11WZ II eyepiece built into the body, with a magnification range of 17-40x, and its pure fluorite crystal objective lens all but eliminates fringing for color accuracy and clarity. Dual fast/fine focus makes it easy to dial in the details of your subject. Designed and manufactured in Japan, the scope is fully sealed and nitrogen-purged to prevent internal fogging from abrupt temperature changes. It comes with a pull-out sunshade, a 58mm filter thread, and an eyepiece thread for attachments including digiscoping adapters.
Construction Details
- Proper functionality of the retractable sun shade is guaranteed exclusively with Kowa brand filters
- Lightweight and impact-resistant chassis
- Nitrogen-filled, waterproof, and resistant to internal fogging when moving through extreme temperature changes and conditions
- Oil-resistant KR exterior lens coatings make it easy to clean dirt, sap, and oil without leaving smudges or residue
Optical Performance
- 55mm aperture
- Ultralow dispersion PROMINAR fluorite glass elements eliminate chromatic aberration, which causes halos, astigmatism, and fringing, for improved color rendition and contrast
- Built-in 17-40x TE-11WZ II PROMINAR wide-angle zoom eyepiece with two extra-low dispersion lenses for a sharp image and a generous field of view
Use and Handling
- Integrated aiming sight
- Smooth and precise fine and coarse two-speed focusing mechanism
- 58mm objective lens filter threads
- 1/4"-20 mount to accommodate most photo, video, and field tripods
Key Features
- Highly Compact & Lightweight
- Pure Fluorite Crystal Objective Lens
- Integrated 17-40x TE-11WZ II Eyepiece
- Nitrogen-Filled, Fog and Waterproof
- Fast/Fine Dual Focus
- Lens Hood Aiming Sight
- 1/4"-20 Tripod Mount
- Retractable Sunshade
- 58mm Filter Thread
- Kowa TSN-55 PROMINAR Spotting Scope (Angled Viewing)
- Limited Lifetime Warranty
Key Specifications
| Design | |
|---|---|
| Viewing Angle | Angled |
| Prism Type | Roof |
| Performance | |
| Magnification | 17 – 40x |
| Objective Lens Diameter | 55 mm |
| Field of View | 17x: 192.0' @ 1000 yd / 63.7 m @ 1000 m 40x: 105.0' @ 1000 yd / 34.9 m @ 1000 m |
| Angle of View (Actual) | 17x: 3.64° 40x: 2° |
| Minimum Focus Distance | 9.2' / 2.8 m |
| Exit Pupil Diameter | 17x: 3.2 mm 40x: 1.4 mm |
| Eye Relief | 17.0 mm |
| Diopter Correction | No |
| Features | |
| Fogproof | Yes: Nitrogen Filled |
| Environmental Resistance | Water-Resistant (Unrated) |
| General | |
| Battery / Runtime | No |
| Filter Thread | 58 mm |
| Tripod Mounting Thread | 1/4"-20 Female |
| Dimensions | Length: 10.0" / 25.4 cm |
| Weight | 34.0 oz / 964 g |
| Packaging Info | |
| Package Weight | 3.945 lb |
| Box Dimensions (L×W×H) | 13.7 × 10 × 3.5" |
Kowa TSN-55 PROMINAR Spotting Scope (Angled Viewing)
- Product Code: KOTSN55A
Remarkably small and lightweight, the TSN-55 PROMINAR Spotting Scope from Kowa offers the same sharp, aberration-free viewing experience as its larger siblings in a highly compact package. The 10" scope comes with Kowa's TE-11WZ II eyepiece built into the body, with a magnification range of 17-40x, and its pure fluorite crystal objective lens all but eliminates fringing for color accuracy and clarity. Dual fast/fine focus makes it easy to dial in the details of your subject. Designed and manufactured in Japan, the scope is fully sealed and nitrogen-purged to prevent internal fogging from abrupt temperature changes. It comes with a pull-out sunshade, a 58mm filter thread, and an eyepiece thread for attachments including digiscoping adapters.
Construction Details
- Proper functionality of the retractable sun shade is guaranteed exclusively with Kowa brand filters
- Lightweight and impact-resistant chassis
- Nitrogen-filled, waterproof, and resistant to internal fogging when moving through extreme temperature changes and conditions
- Oil-resistant KR exterior lens coatings make it easy to clean dirt, sap, and oil without leaving smudges or residue
Optical Performance
- 55mm aperture
- Ultralow dispersion PROMINAR fluorite glass elements eliminate chromatic aberration, which causes halos, astigmatism, and fringing, for improved color rendition and contrast
- Built-in 17-40x TE-11WZ II PROMINAR wide-angle zoom eyepiece with two extra-low dispersion lenses for a sharp image and a generous field of view
Use and Handling
- Integrated aiming sight
- Smooth and precise fine and coarse two-speed focusing mechanism
- 58mm objective lens filter threads
- 1/4"-20 mount to accommodate most photo, video, and field tripods
Key Features
- Highly Compact & Lightweight
- Pure Fluorite Crystal Objective Lens
- Integrated 17-40x TE-11WZ II Eyepiece
- Nitrogen-Filled, Fog and Waterproof
- Fast/Fine Dual Focus
- Lens Hood Aiming Sight
- 1/4"-20 Tripod Mount
- Retractable Sunshade
- 58mm Filter Thread
- Kowa TSN-55 PROMINAR Spotting Scope (Angled Viewing)
- Limited Lifetime Warranty
Key Specifications
| Design | |
|---|---|
| Viewing Angle | Angled |
| Prism Type | Roof |
| Performance | |
| Magnification | 17 – 40x |
| Objective Lens Diameter | 55 mm |
| Field of View | 17x: 192.0' @ 1000 yd / 63.7 m @ 1000 m 40x: 105.0' @ 1000 yd / 34.9 m @ 1000 m |
| Angle of View (Actual) | 17x: 3.64° 40x: 2° |
| Minimum Focus Distance | 9.2' / 2.8 m |
| Exit Pupil Diameter | 17x: 3.2 mm 40x: 1.4 mm |
| Eye Relief | 17.0 mm |
| Diopter Correction | No |
| Features | |
| Fogproof | Yes: Nitrogen Filled |
| Environmental Resistance | Water-Resistant (Unrated) |
| General | |
| Battery / Runtime | No |
| Filter Thread | 58 mm |
| Tripod Mounting Thread | 1/4"-20 Female |
| Dimensions | Length: 10.0" / 25.4 cm |
| Weight | 34.0 oz / 964 g |
| Packaging Info | |
| Package Weight | 3.945 lb |
| Box Dimensions (L×W×H) | 13.7 × 10 × 3.5" |
- Product Code: KOTSN55A
- Availability: In Stock
$1,259.00
Tags:kowatsn-55promnarangled spotting scopecompact scopelightweight scopefluorite lenshd opticstravel scopebirdwatching gearhunting opticsoutdoor telescopewaterproof scopefogproofpremium optics
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