Pentax SMC FA 50mm f1.4 Classic contemporary it has a circular aperture

it has a circular aperture with a maximum of F1

more functional and robust than previous binoculars of this lens size

Its internal zoom mechanism also makes for easy handling and ready to make memorable images

The HD 400 PRO's lightweight design allows you to focus on your project for hours on end

Great for Capturing 4K UHD Video2

Pentax SMC FA 50mm f1.4 Classic contemporary it has a circular apertureThis Pentax SMC PENTAX FA 50mm f1. 4 Classic standard lens has been designed to provide a unique image rendition rainbow flare in particular resembling that of a lens designed more than 50 years ago. Designed as an interchangeable lens for use with PENTAX K mount digital SLR cameras, its larger diameter optics cover the full frame image circle of K mount cameras, despite its compact dimensions. When mounted on a PENTAX digital SLR camera body, it can