Linhof Viewfinder  type_Manuals & Brochures 4 R Macro is a

4 R Macro is a compact macro lens that provides magnification up to 1:2 without the use of extension tubes

The laptop thing is very

an optical image stabilizer

and includes its wide-angle diffuser and softcase

Made in 2000

Linhof Viewfinder &nbsptype_Manuals & Brochures 4 R Macro is aThis Linhof viewfinder is suitable for 4x5 and 5x7 cameras, with variable fields of view from 90mm (or 120mm, for 5x7) to 360mm (or 500mm). It's adjustable for portrait or landscape shooting, too, which is handy. These viewfinders are mostly useful as a framing aid: you can use them mounted to the camera, or as a handheld "director's viewfinder. The view through the optics is satisfactory, though you'll need to refocus your eye to see the framelines