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Kowa TP-58FT 58mm Objective Lens Filter for TSN-55 Series Spotting Scopes

SKU: KWTP58FT MFR: TP-58FT
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Key Features

  • Protect your Kowa TSN-55 spotting scope lens with this durable 58mm objective filter.
  • Maintain image quality with this high-transparency filter, designed specifically for Kowa scopes.
  • Extend the life of your spotting scope; this filter shields against dust, scratches, and moisture.
  • Enjoy worry-free viewing; this objective lens filter is easy to attach and remove as needed.
  • Perfect for birding or nature observation, this filter ensures clear, protected views every time.
  • A must-have spotting scope accessory, enhancing your outdoor viewing experience in any weather.
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Special Order?Estimated to Ship: 08/17/2025
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Available to U.S. customers only.

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Kowa Objective Lens Filter Specifications

  • Compatibility

    TSN-55/550 Spotting Scopes

  • Filter Diameter

    2.28" (58mm)

  • UPC Code

    879110002835

About Kowa Objective Lens Filter

The Kowa TP-58FT filter helps to protect the pure fluorite crystal objective lenses of the Kowa TSN-55 PROMINAR. Featuring oil and water repellent coatings - it makes the perfect accessory for any owner of these premium optics.

Harsh environments such as sand and salt at the coast, an accidental fall from a tripod or contact with a sharp object can all damage the most sensitive and valuable area of a spotting scope - the objective lens, often causing irreparable damage to the coatings and the actual lens itself.

Damage to the front objective lens can drastically reduce the optical performance of your scope and is one of the most costly repairs to rectify, especially if you own a Kowa pure fluorite crystal model. Often the only option is to completely replace the front objective lens at great cost.

Kowa recommends the use of a protective filter to protect a Kowa spotting scope. All Kowa spotting scopes are conveniently fitted with a filter ring (a feature often not included in other manufacturers models) allowing the connection of a filter. This accessory will help drastically reduce the risk of objective lens damage, avoid costly repairs and ultimately prolong the life and enjoyment of your spotting scope.

Kowa Objective Lens Filter Features

  • Precision Engineered Filter Designed Specifically For Kowa 55mm Series Spotting Scopes
  • Multi-Coated Optics for Superior Light Transmission and Reduced Glare
  • Protects the Lens From Dust, Scratches, and Moisture
  • Easy to Install and Remove Without Affecting Functionality
  • Compatible with the TSN-55/550

Warranty Information

This product has a limited lifetime warranty.

Key Features

  • Protect your Kowa TSN-55 spotting scope lens with this durable 58mm objective filter.
  • Maintain image quality with this high-transparency filter, designed specifically for Kowa scopes.
  • Extend the life of your spotting scope; this filter shields against dust, scratches, and moisture.
  • Enjoy worry-free viewing; this objective lens filter is easy to attach and remove as needed.
  • Perfect for birding or nature observation, this filter ensures clear, protected views every time.
  • A must-have spotting scope accessory, enhancing your outdoor viewing experience in any weather.

What's in the box:

  • Kowa TP-58FT 58mm Objective Lens Filter
  • Kowa Lifetime Limited Warranty