Kowa TSN-660 66mm Spotting Scopes

Popular Birdwatching Spotting Scope

Item #KOWA026-4

  • List Price:
  • $580.00
  • Your Price:
  • $499.98
  • You Save:
  • $80.02 USD14% + FREE Shipping
  • Sold as body only - eyepiece selected separately
  • Choice of Regular Lens or Prominar ED Lens
  • Available in angled or straight body
  • Fully waterproof body design
  • A favorite of birders and digital photography
Questions? Let our experts help!
  • Description

    Kowa TSN-660 Spotting Scope Product Highlights 
    These high-performance models have been created by taking the superior qualities of the TSN-820M Series and putting them into a smaller, more compact scope. These sophisticated scopes satisfy the needs of users in all fields, from beginning bird watchers to scientific researchers.


    Prominar Fluorite Lens
    For the highest optical performance and optimum color fidelity.


    Highest Level of Optical Performance
    The 66mm diameter objective lens has more than 120% light gathering power of the 60mm objective lens. All optics are fully multi-coated for brighter, clearer and sharper viewing. Prominar ED models are also available for even better optical performance with optimum color definition.


    Compact and Light Weight
    Main body length of about 30cm and weight of only 1 kg. Available in Angled or Straight viewing types with the Kowa easy-to-use functions.


    Fully Water-Proof Body
    An all weather scope completely sealed making it fully water-proof. Nitrogen gas purged to prevent the lens from fogging. "Not intended for underwater use".


    Effective Diameter of Objective Lens: 66mm
    Minimum Focusing Distance: 6m
    Main Body Length: 312mm
    Main Body Weight: 1,020g


    Warranty: Lifetime of the product


    Supplier SKU


    Shipping Restrictions

    Ships to most international destinations, APOs, and FPOs.

  • Dimensions & Specifications

    Body Type

    Angled Body





    Length (in)

    12 Inches

    Objective Lens Diameter


    Scope Type



    Mid-Size Spotting Scopes

    Spotting Scope Size


    Spotting Scopes Series

    Kowa TSN-660 66mm Spotting Scopes





  • Product Guarantee

    We stand behind all the products we sell, and your satisfaction is our top priority. If you're not satisfied with the quality of your purchase, simply send the item back to us in its original packaging within 30 days of its delivery.

    Manufacturer Warranty

    Default manufacturer warranty.

    Return & Exchange Policy

    At our site, returns are easy! You may return new, unused, and resalable items for a refund or exchange. Simply ensure that the item is returned in its original product packaging within 30 days of delivery.

Customer Q&A

1 - 5 of 12
1 2
  • Q1: What is the over all length of this scope TSN664 with the eye piece? What is the Dia. of the Objective Lense in inches not mm? Thanks for your help George Lloyd

    A: the diameter in inches pf the objective lens on the spotting scope is 2.6\ the length of the scope is approximately 13\""

  • Q2: What power is this spotting scope, and can this be connected to a digital camera?. Your response would be appreciated. Thank you Bruce Lees

    A: The eyepieces for the Kowa spotting scopes are sold seperately this is just a 66mm body. depending on the specific camera you are trying to adapt the pieces to adapt it will differ.

1 - 5 of 12
1 2

Ask The Experts

Have questions about an item or need advice on selecting the right optic? Our team of experts is here to help! Avid outdoor enthusiasts themselves, they've tested gear in the field and can provide personalized product recommendations for just about any activity, from birding and hunting to sports and travel.

You can reach our Customer Support line at 1-800-246-6285. We're open 8 a.m. to 8 p.m. Central Time, Monday through Friday and 9 a.m. to 4 p.m. on Saturday.

After hours? Drop us an email at info@binocularsplus.com. We'll get back to you as soon as possible, usually within 1 business day.