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B+W 49mm Close Up +4 (NL4)

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£22.99

Product Description

Special order 6-8 weeks

The B+W 49mm Close-Up +4 SC NL 4 Lens offers the ability to achieve macro-like results with camera lenses that have 49mm front filter threads. A close-up lens is a magnifier that optically decreases the focal length of a camera lens placed behind it. This effect lessens the minimum focus distance between the camera lens and a subject. Magnification can then be obtained by decreasing the distance between the subject and the combined camera lens and close-up lens.

The magnifying power of a close-up lens is indicated by its diopter strength. A close-up lens with a higher diopter number provides more relative magnification and can be combined with other close-up lenses to increase, or fine-tune the macro effect. This close-up lens has a diopter strength of +4. Diopter strengths of +1, +2, +3, or +5 are also available where this close-up lens type's effect becomes progressively stronger with each diopter strength number increase.
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