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Kowa TE-20H 25x LER Eyepiece

by Kowa
Original price $500.00 - Original price $500.00
Original price
$500.00 - $500.00
Current price $500.00
In stock

Ships To: United States & Canada 🇺🇸 🇨🇦

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TE-20H 25x LER Eyepiece by Kowa Optics

Meet Kowa TE-20H 25x LER (Long Eye Relief) Eyepiece, a perfect match for the Kowa TSN-880 and TSN-770 series spotting scopes.

This eyepiece boasts an extended eye relief of 25x, achieved through its innovative arrangement of 7 lens elements within 5 groups.

Its exceptional long eye relief of 32mm provides a remarkable advantage for eyeglass wearers and those utilizing digiscoping systems.

With its advanced design featuring 7 lens elements organized into 4 groups, this high-performance eyepiece offers a substantial eye relief advantage.

This feature proves invaluable for those wearing eyeglasses or employing a digiscoping setup.

Notably suitable for 4X zoom cameras and cameras with larger objective lenses, although vignetting might persist in select camera models.

The specifications provided are tailored to the TSN-880 series spotting scopes, and variations may occur based on the spotting scope model in use.


      • 25x Magnification: The Kowa TE-20H 25x LER Eyepiece provides a powerful 25x magnification, delivering an immersive and detailed viewing experience. This level of magnification is particularly advantageous for activities such as birdwatching, nature observation, and scenarios requiring precision.
      • Large Eye Relief from the SYSTEM S Range: As a standout feature within Kowa's SYSTEM S range, the TE-20H Eyepiece boasts an impressive large eye relief. This design consideration enhances comfort during extended observation sessions and ensures a user-friendly and accommodating space between the eyepiece and the eye. This feature is especially beneficial for eyeglass wearers.
      • Kowa's Prominar XD Lenses: Incorporating Kowa's advanced Prominar XD Lenses, the TE-20H Eyepiece utilizes extra-low dispersion glass with characteristics similar to fluorite crystal. These lenses effectively reduce chromatic aberration, ensuring exceptional image quality with sharp, clear images and accurate color reproduction.
      • Designed for TSN Series Spotting Scopes: Tailored for compatibility with TSN series spotting scopes, specifically the TSN-880 and TSN-770 series, the TE-20H Eyepiece ensures seamless integration with these spotting scope models. This design element enhances the overall versatility of the eyepiece, catering to a broad range of spotting scope users.
      • Ideal for Shooting Range and Digiscoping: With an impressive eye relief of 32mm, the TE-20H Eyepiece excels in delivering extended comfort during prolonged observations. This feature makes it an excellent choice for shooting range activities where maintaining a comfortable posture is crucial for precision. Additionally, the eyepiece is ideal for digiscoping setups, providing adaptability for users looking to capture images with cameras.
      • Comfortable Viewing: Meticulously designed for user comfort, the TE-20H Eyepiece ensures a comfortable and enjoyable viewing experience. The combination of large eye relief, advanced lens technology, and compatibility with spotting scopes contributes to an overall user-friendly design, particularly beneficial during extended periods of use


        What's Included:

        ✓ Kowa TE-20H 25x LER Eyepiece

        ✓ Eyepiece carry pouch

        ✓ Protection caps

        ✓ Instruction manual

        ✓ Limited 10 Year Warranty




        Field of view at 1000m: 37m
        Magnification: 25x LER
        Field of view (degree): 2.1
        Eye Relief: 32.0mm
        Exit Pupil Diameter: 3.5mm
        Relative Brightness: 12.3
        Twilight Factor: 46.1

        Customer Reviews

        Based on 1 review
        Taylor B.
        Perfectly clear optics!

        Very nicely made. I've been able to get out quite a few times with this eyepiece mounted in my scope. Super crisp bright images abound.