The superb 15 and 25 finders have clear, wide, bright views, but no brightlines. The 15 and 25 finders are the same size, but clearly labeled, available in black only. The 28 and 35 brightlines are identical in size and shape, and can easily be confused for one another. Both have glass optics and a hard to scuff plastic casing. Parallax correction marks in finder.
Image is bright and clear, a joy to use.
For all practical purposes the image is the same as the chrome Leitz brightline. The much lower cost of the Voigtlander finder makes it a best buy. Weight a lightweight less than one oz. The 50 and 75mm brightlines are identical in size and shape, and can easily be confused for one another. Both show an obvious similarity to a certain Wetzlar product.