The Kowa Adapter Rings for iPhone Holders are required to connect your Kowa binoculars and spotting scopes to the . 

A specific adapter is required depending on the model of spotting scope or binocular you wish to connect it to. Please see below to find out which adapter ring you need. 

• TSN-ARYS - for use with Kowa YF and SV 32/42/50 binoculars
• TSN-AR11WZ - for use with Kowa 77, 88 and 99 spotting scopes that use either TW-11WZ, TE-10Z or TE-17W eyepieces
• TSN-AR500A - for use with Kowa 501 or 502 spotting scopes 
• TSN-AR56-10/12 - for us with Kowa BD 10x56 or 12x56 binoculars
• TSN-AR56-8 - for use with Kowa BD 8x56 binoculars
• TSN-AR32XD-10 - for use with Kowa BD 10x32 binoculars
• TSN-AR42XD - for use with Kowa BD 8x42 or 10x42 binoculars
• TSN-AR66Z - for use with Kowa 553 or 554 spotting scopes