Introduction - Ricoh engineers really went all the way back to the drawing board on this before delivering the GXR system. The GXR system is a hybrid system which tries to bridge the ravine between the compact small sensor zoom and the APS-C DSLR primes. It offers an interchangeable camera module (yes, camera... not just lens) system. You can mount a 28-300 super zoom or change to a 50mm GR lens, making it a very versatile system in a compact outfit.
Ricoh GXR system
The Ricoh GXR system includes: Ricoh GXR body, A12 50mm f/2.5 Macro GR (camera module), A12 28mm f/2.5 GR (camera module), S10 24-72mm f/2.5-4.4 VC (camera module), P10 28-300mm f/3.5-5.6 VC (kit camera module), and VF-2 (external viewfinder).
Ricoh GXR with A12 50mm f/2.5 Macro GR and VF-2