Nikon / Olympus / Sony / Casio / Canon / Fuji Film / Panasonic / Konica Minolta / Kyocera / Sanyo / Kodak Pentax Model Vignetting Digital Adapter Recommended Eyepiece Additional Adapters DA1 VA DA4 Adapter Ring Size Optio S50 ○ − − ○ − W 　 Optio S40 ○ − − ○ − W 　 Optio S30 ○ − − ○ − W 　 Optio Sv 　 − − ○ − L 　 Optio S ○ − − ○ − W 　 Optio 33LF ○ − − ○ − W 　 Optio 33L ○ − − ○ − W 　 Optio 330GS ○ − − ○ − W 　 Optio 430RS ○ − − ○ − W 　 Optio 330RS ○ − − ○ − W 　 Optio 30 ○ − − ○ − W 　 Optio 750Z ○ − − ○ − L 　 Optio 555 ○ − − ○ − L 　 Optio 550 ○ − − ○ − L 　 Optio 230 ○ − − ○ − W 　 Adaptability Chart Key Vignetting Amount of vignetting is broken down into three ratings from best to worst [ ○ ]   [ △ ]   [× ] [CAUTION] Even with a rating of  [ ○ ], vignetting may occur at some point in the camera's zoom range. Digital Adapter 「○」：Camera can be used with adapter 「△」：Camera can be used with adapter but the TSN-VA1 is recommended. 「−」：Camera can not be used with adapter. Recommended Eyepiece Use of this eyepiece will result in the least amount of vignetting. W ：Wide Angle Eyepiece L ：Long Eye-Relief Eyepiece V ：Photo & Video Adapter (TSN-VA1/VA2) Caution The information in the above table is for reference only and is accurate to the best of our knowledge.  PAGE UP ▲ Copyright 2005 Kowa Optimed, Inc. All rights reserved.