Kowa

Kowa Sporting Optics 20-40x 50mm Spotting Scope - Angled

4.5 (9 reviews)

## Observe Nature's Wonders with Clarity and Precision The Kowa Sporting Optics Spotting Scope offers exceptional optical performance in a compact and lightweight design. Featuring fully multi-coated lenses and a versatile 20-40x zoom range, this angled spotting scope is ideal for birdwatching, w...

$355.00*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

## Observe Nature's Wonders with Clarity and Precision The Kowa Sporting Optics Spotting Scope offers exceptional optical performance in a compact and lightweight design. Featuring fully multi-coated lenses and a versatile 20-40x zoom range, this angled spotting scope is ideal for birdwatching, wildlife observation, and general nature viewing.

Specifications

  • Brand: Kowa
  • Type: Angled Spotting Scope
  • Objective Lens Diameter: 50mm
  • Magnification: 20-40x
  • Optical Coating: Fully Multi-Coated
  • Dimensions: 9.5 x 5 x 2.8 inches

Key Features

Waterproof Scope: TSN-500 is fully waterproof and nitrogen-filled, this tough little scope is designed to perform in harsh environments

Lightweight Scope: Weighing only 400g, the TSN-500 series spotting scope is light enough to take with you even on the longest treks and expeditions

Performance: With close focus performance down to just 2.5m, enjoy incredible detail of plants and insects at up to 40x magnification

Construction: Measuring just 239mm in length (TSN-501 model) the TSN-500 series is so lightweight and easy to use for all ages, enjoy at home, at the range, or out in the great outdoors

Design: Fully multi-coated and Kowa optical design ensures great clarity even in such a compact body

Specifications

Magnification
20-40x
Objective Lens Diameter
50mm
Design Type
Angled Spotting Scope
Weight
400g
Length (TSN-501 model)
239mm
Close Focus Performance
2.5m
Waterproof
Yes
Nitrogen Filled
Yes
Lens Coating
Fully multi-coated

Pros & Cons

👍 Pros

  • Fully waterproof and nitrogen-filled construction ensures reliable performance in harsh, wet environments.
  • Weighs only 400g, making it exceptionally lightweight and easy to carry on long treks and expeditions.
  • Achieves close focus performance down to just 2.5m, allowing for incredibly detailed observation of nearby subjects like plants and insects.
  • Provides a versatile 20-40x magnification range, suitable for various viewing distances and observational needs.
  • Features a compact length of 239mm (TSN-501 model), making it highly portable and user-friendly for all ages.

👎 Cons

  • The 50mm objective lens, while compact, may offer less light gathering capability compared to larger spotting scopes in low-light conditions.
  • An angled design, while comfortable for some, might require a learning curve for new users or be less intuitive for quick target acquisition.
  • The specified close focus of 2.5m, while impressive, may still be too far for extremely close-up macro observation.
  • The 40x maximum magnification might not be sufficient for distant observation tasks that require higher power.
  • Specific details about the field of view at different magnifications are not provided, which can be an important consideration for observation.

Frequently Asked Questions

Yes, the TSN-500 is fully waterproof and nitrogen-filled, designed to perform reliably in harsh environments.
This spotting scope weighs only 400g, making it very light and easy to carry for extended periods or on long journeys.
The Kowa TSN-500 offers impressive close focus performance down to just 2.5m, allowing for detailed observation of nearby subjects.
Yes, it features a fully multi-coated optical design by Kowa, ensuring great clarity even within its compact body.
This spotting scope offers a versatile magnification range from 20x to 40x.