My father-in-law was a photography enthusiast. He no longer uses these items, so I am putting them up for sale. I am a beginner when it comes to cameras, so I may not be able to answer many of your questions. Thank you for your understanding. I will sell everything in the images as a set. RICOH GR camera and PENTAX lens set, with AF-360FGZ flash. - Camera model: RICOH GR - Lens 1: PENTAX 28-70mm - Lens 2: PENTAX 100-300mm - Flash: AF-360FGZ - Filter: DIGITAL KING - Battery: Li-ion 120 Thank you for looking.