※ Unopened product. Meisho Kogaku (TTArtisan) 40mm f/2.8 MACRO C is an APS-C format macro lens capable of 1:1 magnification. With a minimum focusing distance of 17cm, it's convenient for close-up shots of subjects like flowers and insects. The bright f/2.8 aperture allows for macro photography in low-light conditions, as well as regular photography like portraits. The lens uses special low-dispersion glass and high-refraction low-dispersion glass to properly correct aberrations across the entire image, reproducing fine details. The 11-blade aperture also allows for beautiful bokeh. The exterior is a high-quality metal lens barrel, providing a comfortable feel for focusing. Focus: MF (Manual Focus) Lens Construction: 8 elements in 7 groups (2 special low-dispersion lenses, 3 high-refraction low-dispersion lenses) Compatible Image Sensor Size: APS-C Minimum Focusing Distance: Approx. 0.17m Aperture: F2.8-F16 Aperture Blades: 11 Filter Diameter: 52mm Size: Approx. Φ62-63mm x Approx. 73-77mm (excluding mount) Weight: Approx. 370-400g Focal Length...19-70mm Maximum Aperture...2.1-2.8