DSLR Lens kit is a professional camera app. It's easy to use and powerful. (This app requires iphone 6 or later.) RAW file supported. ( iphone 6s or later. iOS10 or later) Selectable iPhone 7 plus Dual-Lens. App Promotional Video. http://www.iphoneslr.com [SPECS (iPhone6s)] Lens : F2.2 29mm(iPhone 6s back camera) Lens Settings : 29mm - 1000mm (Digital Zoom) / 6 Graphics Shutter Speed 1/3 - 1/4000 ISO 23 - 1840 White Balance Mode: AUTO, Daylight, Cloudy, Shade, Tungsten, Fluorescent, Custom WB(2000K-10000K) & WB Shift Timer : OFF / 3s / 10s FLASH : OFF / ON / AUTO Focus Assist Zoom Level Gauge Stabilizer Multi Exposure Mode : 2 shoots / Photo Image Guide Line : OFF 1/3 1/4 Grid Large Shoot Button Mode Reflector Board : White, Silver, Gold, Black Photo Edit : Exposure, Highlight, Shadow, Contrast, Saturation, Temperature EXIF Info Burst shots (requires iOS10 or later.)