- Subject
- Photography
- Item type
- Object
- Makers
- Petzval
- Other inscriptions
- Paper label attached reading 'BFD'
- Dimensions
- Diameter: 60mm Height: 112mm Width: 76mm Depth: 60mm Weight: 376g
- Inventory No
- 85901
Description
Cylindrical Camera lens. Lens has copper alloy cylindrical body with glass lenses set at either end. On side of body is a lever with a scale from 1-4. This lever controls an opening and closing iris within the body of lens, which affects light levels passing through lens. Also mounted to side of body is a rotating screw for attaching lens to a camera.



