TricCam is a camera app which can trigger conventional Xenon photo flash through Tric flash trigger.
It saves photos in JPEG, TIFF and RAW (DNG) formats with manual controls, or using auto exposure feature to become a point-and-shoot camera.
More information about Tric flash trigger:
http://www.tricflash.com
Photo File Format:
* JPEG with configuratble compression quality
* TIFF with LZW lossless compression
* RAW in DNG format
Manual control:
* ISO
* shutter speed (sync speed is limited)
* white balance
Focus:
* tap to focus
* lock focus
* manual focus
* LED torch as focus assist light
Flash Sync Speed:
iSight Camera (back)
* iPhone 5s, 6/6 Plus: 1/30 sec.
* iPhone 6s/6s Plus, SE, 7/7 Plus (both wide and telephoto): 1/45 sec.
FaceTime Camera (front)
* iPhone 5s, 6s/6s Plus, SE, 7/7 Plus: 1/30 sec.
* iPhone 6/6 Plus: 1/60 sec.
Other Features:
* Grid
* Noise reduction filter
When taking a photo at low light conditions, you are not limited by iPhones LED light anymore. For the first time, you can use speedlight or studio strobe for iPhone photography.