+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Kowa Spotting Scope Eyepiece Adapter TSN-EC1A

Kowa Spotting Scope Eyepiece Adapter, Converts TSN-660M/600 Eyepieces to TSN-820/820M Scopes, Black, Small TSN-EC1A
Kowa Spotting Scope Eyepiece Adapter, Converts TSN-660M/600 Eyepieces to TSN-820/820M Scopes, Black, Small TSN-EC1A
1 of 1 images
Kowa Spotting Scope Eyepiece Adapter, Converts TSN-660M/600 Eyepieces to TSN-820/820M Scopes, Black, Small TSN-EC1A

Tap Tap to Zoom

Questions & Answers
Will this me to use newer eyepieces on my TSN-820 series scope? Expert Answer

The Kowa Spotting Scope Eyepiece Adapter is no longer available. However, the model at the link below should work.
https://www.opticsplanet.com/kowa-spottingscope-eyepiece-converter-tsn-ec2-ec3.html

by Hunter, Gear Expert, July 5, 2023
Could this adapter be used to mate a Kowa spotting scope TSN-821M to a Kowa eyepiece TSE-14WB ? thanks Expert Answer

Yes, the adapter is required for the older spotting scopes.

by Armando R., Gear Expert, April 6, 2018
View All Q&A You Have a Question? Ask!
Customer Reviews
Most Recent Reviews
Adapt an older spotting scope to new parts by El gato de AZ, August 21, 2021
I have an older Kowa 82mm scope that uses screw-in eyepieces. This ring allows the use of newer “twist lock” eyepieces, extending the versatility of my scope. It’s expensive for a little piece of metal, but it works perfectly.
Most Recent Reviews
a necessary asdition by Old shooter, September 11, 2018
This adaptor works exceptionally well and is necessary to convert the old Kowa system to the new. Good product. My spotting scope went from a fixed 27x to 20-60 x with this addition. It installed easily and workd perfectly.
Read All 2 Reviews

Product Discontinued by Manufacturer

Kowa Spotting Scope Eyepiece Adapter has been discontinued by Kowa and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Spotting Scopes & Accessories, Spotting Scope Accessories yourself to try and find the perfect replacement for you!

Product Info for Kowa Spotting Scope Eyepiece Adapter

Required when using a TSN-82SV/660M/600 Series Eyepiece with TSN-820/820M Series Scopeimage

Specifications for Kowa Spotting Scope Eyepiece Adapter:

Product Size: Small

Package Contents:

  • Kowa Spotting Scope Eyepiece Adapter

Related Products to Kowa Spotting Scope Eyepiece Adapter

Image of Kowa 1.6x Eyepiece Extender Kowa 1.6x Eyepiece Extender (2) List: $429.00 (Save $30.00) $399.00
Image of Kowa 1.6x Eyepiece Extender Kowa 1.6x Eyepiece Extender (2) List: $429.00 (Save $30.00) $399.00
Image of Kowa 82mm Spotting Scope TSN-82SV - Body Only Kowa 82mm Spotting Scope TSN-82SV - Body Only (5) List: $999.00 (Save 10%) $900.00 14% Coupon
Image of Kowa C-99S-N Spotting Scope Case Kowa C-99S-N Spotting Scope Case List: $289.00 (Save 10%) $259.00
Image of Kowa C-99S-N Spotting Scope Case Kowa C-99S-N Spotting Scope Case List: $289.00 (Save 10%) $259.00
Image of Kowa C-88A-N Spotting Scope Case Kowa C-88A-N Spotting Scope Case List: $289.00 (Save 10%) $259.00
Image of Kowa C-88A-N Spotting Scope Case Kowa C-88A-N Spotting Scope Case List: $289.00 (Save 10%) $259.00
Image of Kowa Photo Adapter 2 models Kowa Photo Adapter List: $229.00 (Save 13%) $199.00
Image of Kowa Photo Adapter 2 models Kowa Photo Adapter List: $229.00 (Save 13%) $199.00
Image of Kowa Digiscoping TSN-DA10 Digital Photo Adapter for Kowa TSN770 and TSN880 Spottingscopes Kowa Digiscoping TSN-DA10 Digital Photo Adapter for Kowa TSN770 and TSN880 Spottingscopes (1) List: $199.00 (Save 10%) $179.00
Image of Kowa Digiscoping TSN-DA10 Digital Photo Adapter for Kowa TSN770 and TSN880 Spottingscopes Kowa Digiscoping TSN-DA10 Digital Photo Adapter for Kowa TSN770 and TSN880 Spottingscopes (1) List: $199.00 (Save 10%) $179.00
Image of Kowa TP-105FT 105mm Multi-Coated Filter Kowa TP-105FT 105mm Multi-Coated Filter List: $229.00 (Save 13%) $199.00
Image of Kowa TP-105FT 105mm Multi-Coated Filter Kowa TP-105FT 105mm Multi-Coated Filter List: $229.00 (Save 13%) $199.00
Image of Kowa Fitted Case for TSN Spotting Scopes Kowa Fitted Case for TSN Spotting Scopes List: $159.00 (Save 31%) $109.00
Image of Kowa Fitted Case for TSN Spotting Scopes Kowa Fitted Case for TSN Spotting Scopes List: $159.00 (Save 31%) $109.00
Image of Kowa TSN-99 30-70x, 40x Spotting Scope 2 models Kowa TSN-99 30-70x, 40x Spotting Scope List: $4,099.00 (Save $349.00) $3,750.00 14% Coupon
Image of Kowa 25x Long Eye Relief Spotting Scope Eyepiece TE-20H Kowa 25x Long Eye Relief Spotting Scope Eyepiece TE-20H List: $713.90 (Save $64.90) $649.00
Image of Kowa 25x Long Eye Relief Spotting Scope Eyepiece TE-20H Kowa 25x Long Eye Relief Spotting Scope Eyepiece TE-20H List: $713.90 (Save $64.90) $649.00
Image of Kowa C-88S-N Spotting Scope Case Kowa C-88S-N Spotting Scope Case List: $289.00 (Save 10%) $259.00
Image of Kowa C-88S-N Spotting Scope Case Kowa C-88S-N Spotting Scope Case List: $289.00 (Save 10%) $259.00
Image of Kowa C-99A-N Spotting Scope Case Kowa C-99A-N Spotting Scope Case List: $289.00 (Save 10%) $259.00
Image of Kowa C-99A-N Spotting Scope Case Kowa C-99A-N Spotting Scope Case List: $289.00 (Save 10%) $259.00
Image of Kowa 95mm Protective Filter Kowa 95mm Protective Filter List: $229.00 (Save 13%) $199.00
Image of Kowa 95mm Protective Filter Kowa 95mm Protective Filter List: $229.00 (Save 13%) $199.00

Kowa Spotting Scope Eyepiece Adapter Unavailable & Discontinued Models

List of Unorderable Models

  • Kowa Spotting Scope Eyepiece Adapter, Converts TSN-660M/600 Eyepieces to TSN-820/820M Scopes, Black, Small, TSN-EC1A , MPN: TSN-EC1A , UPC: 879110000831 , Code: KW-WA-SSEA-TSN-EC1A
Compare (0)
1 item has been added
Add at least two items to compare
Last updated 2026-07-07 UTC.