WHAT CONDITION THE CONDITION IS IN: 88-Day Confirmed Operation Warranty. This lens is in surprisingly good shape. It had a recent CLA, and the focus and f-stop are smooth. The glass is very clean, dust and haze-free, ready for your LTM camera or any m-mount body with an adapter (not included). Keep scrolling for the full story or skip to the pictures. We won’t judge. Much.

Let's begin with what this lens isn't: radioactive. Serial number 1364904, a 1956 collapsible Leica Summicron 5cm f/2 in LTM mount, came along just late enough to dodge the Lanthanum glass experiment of 1953, which means it won't slowly turn yellow like a smoker's teeth.

What it is, however, is everything Leica does well when they're not busy irradiating their optics. Legendary optical quality packed into a compact, collapsible body that folds down like a gentleman's umbrella. At just 5cm it's said to be sharp wide open at f/2, which is either impressive engineering or witchcraft, depending on your tolerance for German precision.

Some say the images it produces are natural, subtly coloured, low in contrast, the kind of rendering that makes modern lenses look like they're shouting when a whisper would do. Smooth bokeh, minimal distortion, and modest flare that's easily tamed with a hood, assuming you remember to bring one.

The solid brass collapsible construction feels substantial in a way plastic never will, with a long 180-degree focus throw that rewards deliberation over haste. There's a spring-loaded infinity lock and a positively clicked aperture ring, because Leica believed controls should feel like controls, not suggestions.

On film cameras, it performs beautifully. On digital bodies, it offers that classic vintage look everyone's chasing with presets and filters, except this one's baked into the glass itself. Just don't collapse it on certain bodies unless you enjoy expensive repair bills. The internet will tell you which ones, assuming you're the sort who reads the internet.

The Summicron 5cm f/2 LTM is highly collectible, which is another way of saying people who own them rarely let them go. It's compact, characterful, and delivers timeless results with the kind of optical charm that can't be replicated, only experienced. In short, it's everything a fifty should be, assuming you believe a fifty should have opinions.