Today, Samsung held a press event in London to show off its new Galaxy products, there were no big surprises, since many of the new products were announced previously. Here's a round-up of products announced at the event: Galaxy S 4 mini, Galaxy S 4 zoom, Galaxy S 4 Active and Samsung Galaxy NX camera. The only non-smartphone is the Samsung Galaxy NX which resembles the Samsung NX300.
Samsung Galaxy NX Camera
The Samsung Galaxy NX camera is an interchangeable lens camera, running Android 4.2 and could be the next level for camera control freaks. 
The 20MP camera is mirrorless and has a 4.8" AMOLED touchscreen. It also features and electronic viewfinder. It does not have smartphone feature set and is a camera only, from a manufacturer that makes both smarpthones and cameras.
The Galaxy NX runs a 1.6GHz quad-core processor, 2GB RAM, 16GB of storage, NFC, Wi-Fi, 3G/4GLTE connections and 4360mAh battery. It can be operated with a Smartcamera app from Android phone/devices. This camera uses the same image sensor found on the Samsung NX300. All Samsung NX lenses are compatible.
Software features include S Voice, S Translator, Group Play, Share Picture/Document, Story Album, Samsung ChatOn, Tip Advisor, Photo Suggest, Adobe Photoshop Lightroom and Samsung Kies.
The Advanced Hybrid Autofocus (AF) system combines phase detection AF and contrast AF to deliver images with nearly zero shutter lag, indoors or out.
Samsung Galaxy S 4 mini
The Samsung Galaxy S 4 mini is a smaller Galaxy S 4 with 4.3" aHD screen, dual-core 1.7GHz dual-core processor, 8MP camera and 1.5GB RAM. It's more of a cross between the Samsung Galaxy S III and 4, loaded with Samsung sharing features and software. The screen is still larger than the screen of the iPhone 5.
Galaxy S 4 zoom
The Galaxy S 4 zoom is a smartphone with advanced photography options and look. The optical zoom lens makes it looks like a camera with smartphone back. It offers man camera features and 10X optical zoom, 16 Mega Pixel CMOS Sensor, Optical Image Stabilizer (OIS) and Xenon Flash while lowering some of the specs of the Samsung Galaxy S4.
Galaxy S 4 Active
A heftier, stronger, water-proof, dust-proof solid version of the Samsung Galaxy S 4 with added hardware buttons, reduced 8MP camera with underwater shooting, 5" HD TFT LCD screen, water-resistant earphone jack and new colors(Urban Grey, Dive Blue and Orange Flare). It will released exclusively from AT&T.