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Click & Collect Information

Click & Collect orders are available within 30 minutes for items in stock at the collection location, or 2–4 days for items that need to be transferred.

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Sheffield (Store)

Walk-in retail + Click & Collect

112-114 London Rd
Highfield
Sheffield
S2 4LR
Monday to Friday 10am - 6pm Saturday 10am - 6pm Sunday Closed

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Chesterfield (Warehouse)

Click & Collect Only

Thornfield House
Dunston Road
Chesterfield
S41 9QD
Monday to Friday 9am - 5pm Saturday Closed Sunday Closed
Kowa TSN-AS1.25K Astro Adapter for TSN-99/88/66 Series

Kowa TSN-AS1.25K Astro Adapter for TSN-99/88/66 Series

Our Price: £30.00
Kowa TSN-AS1.25K Astro Adapter for TSN-99/88/66 Series

Kowa TSN-AS1.25K Astro Adapter for TSN-99/88/66 Series

Our Price:

£30.00
1 in stock
📍 Check Click & Collect availability
Product Code: 11311 Barcode: 4987646102205
  • Fits Kowa TSN-99/88/66 spotting scopes
  • Accepts standard 1.25” astro eyepieces
  • Knurled screw for quick eyepiece changes
  • Compatible with Kowa EX16 1.6x extender
  • Enables night sky observation and astrophotography
  • Compact, lightweight and travel-friendly design
  • Uses high-quality pure fluorite optics
  • Ideal for day and night observations

Convert your Kowa PROMINAR TSN-99/88/66 spotting scope for astronomical use. The TSN-AS1.25K accepts standard 1.25” astro eyepieces, opening up night sky observation and astrophotography possibilities.

Quick & Convenient

With a knurled screw fitting, eyepieces can be swapped quickly and securely. Pair it with the Kowa EX16 1.6x extender for stunning deep space views.

Compact & Versatile

Enjoy both day and night observations with one lightweight, portable optical system. Use your existing 1.25” astro eyepiece collection with ease.

Exceptional Optics

Kowa’s pure fluorite crystal lens eliminates chromatic aberration, delivering sharp, true-to-colour views of celestial objects.

What's in the box & Warranty

  • TSN-AS1.25K adapter
  • 2x Knurled screws
  • 2-year warranty

Sheffield Store

Monday to Saturday 10am - 6pm

Harrison Cameras, 112-114 London Road, Sheffield, S2 4LR

Free UK Delivery

Free standard delivery to UK Mainland on all orders over £50

DPD Next Working Day and Saturday delivery also available when ordered before 2pm Mon-Fri

Sell or Part-Exchange

Have equipment to trade in? We want your old cameras, lenses and accessories. Part-exchange against a new camera, or sell your gear and get paid by secure bank transfer

Get an instant quote online now!

Why buy from Harrison Cameras?

Specialist camera retailer

Genuine UK stock, sold by people who actually use this gear -- not a general electronics marketplace.

Two ways to shop

Walk in and try before you buy at our Sheffield store, or order online with free UK mainland delivery on orders over £50.

Part-exchange and trade-in

Have equipment to trade? Part-exchange against a new camera or sell your gear for a bank transfer.

Full manufacturer warranty

Every new item comes with the full UK manufacturer warranty, not a grey-import or parallel-import version.