The Pentax DA* 55mm SDM lens features tremendous light-gathering capabilities, a circular diaphragm for outstanding bokeh and a fine progressive rate of sharpness depth. Additionally, the lens features a Pentax lens coating that further reduces light loss and reflections. This weather-sealed lens is Perfect for the professional portrait photographer.

Specifications:

• Lens Construction: 9 Elements in 8 Groups
• Equivalent 35mm Focal Length: 82.5mm
• Minimum Aperture: f22
• Angle of View: 28.6°
• Close Focus: 45cm
• Max Image Magnification: 0.173x
• Circular Diaphragm: Yes
• SDM Technology: Yes
• Weather Sealed: Yes