Lens construction : 7 elements in 6 groups
Angle of View : 31.5°
Diaphragm control : Fully Automatic
Minimum aperture : F22
Metering type : TTL open aperture
The smc PENTAX-FA 77mm F1.8 Limited is a versatile, high-resolution short telephoto lens of exceptional optical quality. It is specifically designed for portrait photography and accurately reproduces the tones, colours and texture of the subject's skin, clothes and accessories as well as assuring an excellent rendering of highlight and out of focus areas. It also features PENTAX's exclusive FREE (Fixed Rear Element Extension) focusing system to ensure sharp, crisp image reproduction over the entire focusing range.