A good lens will burn your bank account faster than a real housewife after a bottle of chardonnay — but there’s a reason this precious glass costs so much. Dust-free production is an exacting process that requires plenty of human interaction to do correctly. But don’t just take our word for it. Watch this brief Nikon film created in celebration of the 80th anniversary of NIKKOR lenses, which highlights how their tubular bundles of photographic joy are brought into this world. You’ll see what we mean. And while you’re at it, have the missus watch too before showing her your latest receipts. Special thanks to Gizmodo for bringing it to our attention.