Camera gear is a quietly great flip category. It holds value well, the buyers are knowledgeable and serious (which means fewer flaky tire-kickers), and good glass in particular barely depreciates. But it's also unforgiving: a scratched sensor, fungus in a lens, or a shutter near the end of its life can wipe out your margin, and none of that shows in a casual photo. Here's how to buy it right.
Lenses over bodies, usually
Camera bodies depreciate like other electronics — new models come out, the old ones drop. Lenses are different: a quality lens can hold value for a decade because good glass is good glass regardless of the latest sensor. If you're choosing where to focus, name-brand lenses are the more forgiving, slower-depreciating half of the category (a similar dynamic to tools vs electronics).
What to check before you buy
- Lens glass — hold it to a light and look for fungus (web-like threads), haze, scratches, and separation. Fungus can spread and is often a dealbreaker.
- Sensor (on bodies) — ask for a photo of a plain white wall at a small aperture; dust shows, and scratches are serious.
- Shutter count — bodies have a rated shutter life; a high count means a worn camera. Ask for it.
- Aperture and focus — the blades should move cleanly, autofocus should lock, zoom and focus rings should turn smoothly.
- What's included — caps, batteries, chargers, and boxes all add value; missing pieces subtract it.
Treat "tested, works" as a claim
Camera problems hide well, so the seller's "works great" is a starting point, not a fact — the same rule as any used electronics (see how to test used electronics before you buy). If you can meet in person, run through the checks yourself. If it's shipped, ask for specific photos (the sensor, the front and rear glass to a light) and price in the risk you can't verify.
Price to the exact model and condition
Camera buyers are precise, so your pricing has to be too. Price the exact body or lens, in its exact condition, off real sold listings — "mint" and "well-used" are very different numbers here, and the buyers know it. Small gear ships easily, so you're pricing against a national market.
Find the mispriced glass automatically
A lens listed by someone who doesn't know what they have is a classic score. Worth Radar reads local listings and checks them against real sold comps, so an underpriced name-brand lens or body gets flagged with a max-buy price — and you spend your time on the inspection that actually protects the deal.