Pentax DA 40mm f2.8 XS smc Filter Size_52mm architecture

architecture

With special lens coatings

Ilford MGFB Matte

the lens exceeds the perception of the human eye

or up to four (on camera)

Pentax DA 40mm f2.8 XS smc Filter Size_52mm architectureThis ultra thin 40mm prime lens (equivalent to 61mm in the 35mm format) measures a mere 9. 2 millimeters in length and weighs just 52g. Its maximum aperture of F2. 8 produces sharp, bright images in a wide range of applications, including snapshots, scenic photos, portraits, and even incident light indoor shooting. Nine rounded aperture blades produce extraordinarily smooth, natural bokeh. PENTAX Super Protect (SP) coating on the lens surface helps