The Voigtlander APO-Lanthar 125 mm f/2.5 SL is compatible with single-lens reflex cameras. Part of the SL series, this Voigtlander telephoto lens offers 11 elements, 2x extra-low dispersion (ED) elements, and macro capabilities with a 1:1 maximum magnification. The aperture of this SL Series 125 mm f/2.5 lens allows photographers to enjoy effective out-of-focus blur (bokeh), while the snap-on lens hood and screw-on lens cap protect the lens from damage during traveling. When it comes to performance, the Voigtlander APO-Lanthar 125 mm f/2.5 SL doesn�t fail to meet expectations. The moderate Voigtlander telephoto lens reduces distortion and rids pictures completely of lateral chromatic aberrations. In addition, this SL Series 125 mm f/2.5 lens is also designed to allow tighter tolerances, which is an important factor since users will achieve high-resolution photos. All in all, the Voigtlander APO-Lanthar 125 mm f/2.5 SL is a sound investment and a good addition to any professional photographer�s kit.