Kowa 1.6x Eyepiece Extender for TSN-880/770 Spotting Scopes Black Small. The Kowa simply screws on to your scope body via the existing adapter thread. The sleek design of the adapter perfectly compliments the Kowa 880/770 spotting scope bodies. The Extender can be used for angled & straight viewed scopes. The Extender also features its own screw thread which allows for easy connection of Kowa digiscoping adapters and accessories. Compatible with TSN-99/88/66 series spotting scopes Full compatibility with all other SYSTEM accessories Several extenders can be combined{} 1.6x extender for TSN-99/88/66 spotting scopes compatible with the following eyepieces: TE-11WZ TE-80XW TE-10Z TE-17W TE-20H Specifications for Kowa 1.6x Eyepiece Extender: Manufacturer: Kowa Color: Black Package Type: Box Condition: New Country of Origin: Japan Package Contents: Kowa 1.6x Eyepiece Extender TSN-EX16 Protection caps Instruction manual Kowa TSN-EX16: 1.6x Eyepiece Extender for TSN-880/770 Spotting Scopes Black Small