B+W 37mm Close-up Lens NL1 Glass Filter

B+W 37mm Close-up Lens NL1 Glass Filter

B+W 37mm Close-up Lens NL1 Glass Filter

B&H # BWCU137Q MFR # 65-075789
B+W 37mm Close-up Lens NL1 Glass Filter

B+W 37mm Close-up Lens NL1 Glass Filter Filter Effect

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  • 1Description

B+W's 37mm Close-up Lens NL1 Glass Filter is a filter for close-up photography.

With +1 diopter, it is ideal for telephoto and zoom lenses with a near focusing distance of approximately 1 m (3 1/4 feet), resulting in a focusing range without a gap. With the 35mm format, it is ideal for lenses with focal lengths between 85mm (up to approximately 1:5) and 200mm (up to approximately 1:3). On a 50mm lens, start with the NL 2 close-up lens.

Note: B+W close-up filters (diopters) are a single element design.

Each glass surface is vacuum coated with one layer of Anti-Reflection coating. This single layer helps to prevent internal ghosting and reflections. It also improves light transmission from approximately 92% (uncoated glass) to over 98%.

This filter uses B+W's standard B+W F-Pro filter mount, which has a front accessory thread and is made of brass. Compared to the earlier standard mount introduced in 2001, the F-Pro mount has become thinner. Now it can be used with wide angle lenses, including most 24mm focal lengths on a full frame body, without vignetting. Another advantage of the F-Pro mount is it's modified retaining ring, which is no longer threaded in from the front, but holds the filter glass in place from the back. When removing a filter or lens hood that has been screwed on too tight to the filter, the retaining ring is not at risk of loosening.

Note: diopters are mounted in the older mount due to glass thickness.

Table of Contents
  • 1Description
Type close-up
Size 37 mm
Multi-Coated No
Application General close-up photography

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