| Brand | Coatings | Product line | Model | Aperture (ƒ) | Focal range (mm) | Optical Design (Elements / Groups) | Mount | Image Size | Filter size(s) | Serial # | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lightdow | 420-800mm Super Telephoto | ƒ8.3-16 – 16 | 420–800 | 4 / 2 | T | 35mm | Front: 67 | No aperture adjustment. Came with 2x teleconverter, UV filter, circular polarizer. | |||
| Count: 1 |
