B&W 37mm Close-up NL +4 Glass Lenses are the simplest and least expensive method of close-up photography. Have you ever wished that your lens could focus closer than it does? Imagine that you could put a magnifying glass in front of your camera's lens. With B&W Close-up lenses, you can dive into the world of macrophotography with a minimum of expense and with a maximum of confidence.
Close-up Strength for NL +4
The +4 diopter of this close-up lens is the right power for closer focusing with a 50mm lens (up to approx 1:3). With an 85mm (up to approx. 1:2.1) and 100mm (up to approx. 1:1.9) telephoto lenses, it is the highest power, and it should be used with the main lens stopped down to at least f/8.
Note! B&W close-up lenses are available in different "powers" (diopters)
