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GGS DC Digital Camera Lens Protector 30mm
http://cgi.ebay.com.au/GGS-DC-Digital-Camera-Lens-Protector-&-Filter-30mm-O8E_W0QQitemZ120340374041QQcmdZViewItemQQimsxZ20081127?IMSfp=TL081127123001r5041
Digital King M-power Fisheye Lens L
http://www.toda-seikoh.jp/english/product_digital_camera.html
http://www.toda-seikoh.jp/english/how_to_mount_1.html