Laowa 25mm f/2,8 Ultra Macro for Pentax K

The Laowa 25mm f/2.8 Ultra Macro for Pentax K is a compact ultra macro lens developed for extreme close-ups and for images at greater than life-size magnification. It works in a magnification range of 2.5:1 to 5:1. The design extends the short working distance of traditional 25 mm lenses to leave room for lighting the subject. Focusing is manual.

• Focal length: 25 mm, maximum aperture f/2.8
• Magnification: 2.5x to 5x
• Minimum focusing distance: 17.3 cm (5x) to 23.4 cm (2.5x)
• Working distance: 40 mm at 5:1, 45 mm at 2.5:1
• Optical design: 8 elements in 6 groups with one extra-low dispersion element
• Aperture blades: 8
• Angle of view: 10.3°
• Format: full frame compatible
• Filter thread: none