US
Kowa

Kowa TSN-88A ZM Set Spotting Scope

  • Objective Lens: 88 mm
  • Field Of View: 0.07 Degrees
  • Material: Magnesium Alloy, Metal
  • Weight: 4.1 pounds

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

An 88mm Kowa spotting scope in a magnesium alloy body, built for long-range glassing where light gathering matters more than pack weight.

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ASIN: B0BBH1BDMMModel: TSN-88ACategory: Spotting Scopes

Overview

Magnesium alloy construction and an 88mm objective lens give the Kowa TSN-88A ZM SET its long-range spotting scope profile, finished in green and weighing about 4.1 pounds.

An 88mm objective is on the larger end for spotting scopes, which typically run from around 60mm up to this size, and it pairs light-gathering ability with a body built from magnesium alloy rather than plastic, adding durability at the cost of extra weight compared with smaller compact scopes. The ZM SET designation suggests it ships as a set, likely scope plus eyepiece, though the listing does not spell out what is included beyond the scope itself.

  • 88mm objective lens
  • Magnesium alloy body
  • 4.1 lb
  • Green finish

Who it's for

Birders, hunters, or target shooters doing long-distance glassing who want a large-objective scope in a metal housing are the fit. Anyone wanting the lightest possible pack weight would be better served by a smaller-objective compact scope.

Pros and cons

Pros
  • Large 88mm objective for long-range glassing
  • Durable magnesium alloy construction
Cons
  • At 4.1 lb, heavier than smaller compact spotting scopes
  • Only 1 rating on record

Performance notes

The 88mm objective lens gathers more light than smaller spotting scopes, which helps resolve detail at long range and in lower light. A magnesium alloy housing adds structural durability over plastic-bodied scopes, though it also accounts for most of the 4.1 pound weight.

Specifications

BrandKowa
ModelTSN-88A
Dimensions & fit
Weight4.1 pounds
Dimensions15.6 × 4.1 × 4.1 inches
Dimensions15.63 x 4.06 x 4.06 in
Construction & materials
MaterialMagnesium Alloy, Metal
ColorGreen
Other details
Objective Lens88 mm
Field Of View0.07 Degrees

Frequently asked questions

How large is the objective lens on the Kowa TSN-88A ZM SET?

88mm.

What is the Kowa TSN-88A ZM SET body made of?

Magnesium alloy and metal.

How much does the Kowa TSN-88A ZM SET weigh?

About 4.1 pounds.