Is the Samyang 20mm F1.8 a Autofocus lens?

Is the Samyang 20mm F1.8 ED AS UMC an Autofocus (AF) Lens?

Samyang 20mm F1.8 ED AS UMC Alternatives in Pentax KAF Mount

	Coverage	Weight	Focusing	Street Price
HD Pentax DA 21mm F3.2 AL Limited Compare	APS-C / DX	134gr	AF	Amazon B&H Photo
Pentax smc DA 21mm F3.2 AL Limited Compare	APS-C / DX	140gr	AF	Amazon B&H Photo
Samyang 16mm f2.0 ED AS UMC CS Compare	APS-C / DX	583gr	MF	Amazon B&H Photo
Voigtlander 20mm F3.5 Color Skopar SL II Compare	35mm FF	205gr	MF	Amazon B&H Photo
Samyang 24mm f1.4 ED AS UMC Compare	35mm FF	580gr	MF	Amazon B&H Photo
Samyang T-S 24mm f3.5 ED AS UMC Compare	35mm FF	680gr	MF	Amazon B&H Photo
Carl Zeiss Distagon T 2,821 Compare	35mm FF	600gr	MF	Amazon B&H Photo
Carl Zeiss Distagon T 3,518 Compare	35mm FF	470gr	MF	Amazon B&H Photo
Sigma 20mm F1.8 EX DG Aspherical RF Compare	35mm FF	520gr	AF	Amazon B&H Photo
Sigma 24mm F1.8 EX DG Aspherical Macro Compare	35mm FF	485gr	AF	Amazon B&H Photo
Rokinon 24mm f1.4 Aspherical Compare	35mm FF	580gr	MF	Amazon B&H Photo

Other Frequently Asked Questions about Samyang 20mm F1.8 ED AS UMC