SMC Pentax-M Macro 100mm F4.0 1:2

• The macro lens of the 70’s and 80’s
• excellent portrait lens
• 100mm F4.0
• nice Bokeh
• clean, fungus free
• comes with filter and lenshood (detachable)
• can do 1:1 when used wit a extender like this

Lens Mount: Pentax K.

Optics: 5 elements in 3 groups. Pentax Super Multi-Coated.

Diaphragm: 6 blades, stops down to f/32. Full, and sometimes half-stop clicks.

Filter Thread: 49mm.

Close Focus: 1.48 feet (0.45m).

Maximum Reproduction Ratio: 1:2.

Size: 2.54″ diameter x 3.05 ” long (64.6 x 77.5mm), rated, when focused at infinity.

Weight: 12.4775 oz. (353.75g), measured. 12.70 oz. (360g), rated.