Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
SigmaAF 170-500mm F/5-6.3 APO DG	PENTAX K	Telephoto	—	170-500mm	f/5	—
SigmaAF 18-125mm F/3.5-5.6 DC	PENTAX K	Zoom	—	18-125mm	f/3.5	—
SigmaAF 18-50mm F/2.8 EX DC D	PENTAX K	Zoom	—	18-50mm	f/2.8	—
SigmaAF 18-50mm F/2.8 EX DC Macro	PENTAX K	Macro	—	18-50mm	f/2.8	—
SigmaAF 18-50mm F/2.8-4.5 DC OS HSM	PENTAX K	Zoom	—	18-50mm	f/2.8	—
SigmaAF 180mm F/5.6 APO Macro UC	PENTAX K	Macro	—	180mm	f/5.6	—
SigmaAF 18mm F/3.5	PENTAX K	Wide	—	18mm	f/3.5	—
SigmaAF 20mm F/1.8 EX DG ASPH RF	PENTAX K	Wide	—	20mm	f/1.8	—
SigmaAF 24-135mm F/2.8-4.5 ASPH IF	PENTAX K	Zoom	—	24-135mm	f/2.8	—
SigmaAF 24-70mm F/2.8 IF EX DG HSM	PENTAX K	Zoom	—	24-70mm	f/2.8	—
SigmaAF 24-70mm F/3.5-5.6	PENTAX K	Zoom	—	24-70mm	f/3.5	—
SigmaAF 24mm F/2.8 Super-Wide II	PENTAX K	Wide	—	24mm	f/2.8	—
SigmaAF 28-105mm F/2.8-4 ASPH	PENTAX K	Zoom	—	28-105mm	f/2.8	—
SigmaAF 28-105mm F/4-5.6 UC	PENTAX K	Zoom	—	28-105mm	f/4	—
SigmaAF 28-105mm F/4-5.6 UC-II	PENTAX K	Zoom	—	28-105mm	f/4	—
SigmaAF 28-135mm F/3.8-5.6 ASPH IF Macro	PENTAX K	Macro	—	28-135mm	f/3.8	—
SigmaAF 28-200mm F/3.5-5.6 DL ASPH Macro	PENTAX K	Macro	—	28-200mm	f/3.5	—
SigmaAF 28-300mm F/3.5-6.3 Compact ASPH IF Hyperzoom	PENTAX K	Zoom	—	28-300mm	f/3.5	—
SigmaAF 28-300mm F/3.5-6.3 Macro	PENTAX K	Macro	—	28-300mm	f/3.5	—
SigmaAF 28-70mm F/2.8 EX ASPH DF	PENTAX K	Zoom	—	28-70mm	f/2.8	—
SigmaAF 28-80mm F/3.5-5.6 Mini Zoom Macro ASPH	PENTAX K	Macro	—	28-80mm	f/3.5	—
SigmaAF 28mm F/1.8 ASPH	PENTAX K	Wide	—	28mm	f/1.8	—
SigmaAF 28mm F/1.8 ASPH II	PENTAX K	Wide	—	28mm	f/1.8	—
SigmaAF 300mm F/2.8 EX APO HSM	PENTAX K	Telephoto	—	300mm	f/2.8	—
SigmaAF 300mm F/4 APO Macro /HSM	PENTAX K	Macro	—	300mm	f/4	—
SigmaAF 30mm F/1.4 EX DC HSM	PENTAX K	Wide	—	30mm	f/1.4	—
SigmaAF 35-135mm F/3.5-4.5	PENTAX K	Zoom	—	35-135mm	f/3.5	—
SigmaAF 35-70mm F/3.5-4.5 Zoom Master MC	PENTAX K	Zoom	—	35-70mm	f/3.5	—