Olympus Stylus 1 firmware update adds wide angle converter compatibility and interval shooting: Digital Photography Review
新製品レビュー:OLYMPUS STYLUS 1S(外観・機能編) - デジカメ Watch
The Compleat Olympus Stylus 1s: A Guide to the Olympus Stylus 1s & Olympus Stylus 1 Cameras - Kindle edition by Frankel, Steve. Arts & Photography Kindle eBooks @ Amazon.com.
Olympus 1s vs 1 Comparison: What is new and is it worth upgrading?