Used Nikon TC-301 2x Teleconverter

Came in exactly as pictured — caps included, glass spotless, and the 100-day warranty gives solid peace of mind for a used lens piece. The build feels tight and solid, no play in the mount. Tack-sharp results with my 180mm f/2.8, well worth grabbing.

Pairs perfectly with my 300mm f/4 — autofocus is a bit slower but sharpness holds up well even at f/8. The included rear cap and 100-day warranty gave me peace of mind for a used lens.

The glass is spotless and the mounting ring is butter-smooth for a used piece—honestly better than some new gear I've handled. Slapped it on my 200mm and the autofocus still locks fast, though you lose a stop of light as expected. Glad the 100-day warranty came with it, that sealed the deal for me.