Some photo assignments require you to bring out the big guns. And when it comes to digital photography, there are few bigger guns than medium format systems. More digital SLR users have been making the jump to medium format now that several new models are equipped with CMOS sensors that can capture relatively low-noise images at high ISOs, shoot photos more quickly, and capture HD and even 4K video. Combine these handy features with the massive amount of resolution and extremely high image quality you get from the huge imaging chips in medium format camera systems, and there’s no better time to go big. Here’s a look at the latest cameras and lenses from five major medium format brands.