Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
Pentax645 SMC 135mm F/4 Leaf Shutter	PENTAX 645	Telephoto	—	135mm	f/4	470g
PentaxFish-Eye-Takumar 17mm F/11	M42	Fisheye	1962	17mm	f/11	100g
PentaxFish-Eye-Takumar 17mm F/4	M42	Fisheye	1967	17mm	f/4	228g
PentaxFish-Eye-Takumar 18mm F/11	M42	Fisheye	1963	18mm	f/11	98g
PentaxHD DA 560mm F/5.6 ED AW	PENTAX K	Telephoto	2012	560mm	f/5.6	3040g
PentaxHD PENTAX-D FA 150-450mm F/4.5-5.6 DC AW	PENTAX K	Telephoto	2015	150-450mm	f/4.5	—
PentaxHD PENTAX-D FA645 35mm F/3.5 AL	PENTAX 645	Wide	2015	35mm	f/3.5	570g
PentaxHD PENTAX-D FA645 35mm F/3.5 AL [IF]	PENTAX 645	Wide	2015	35mm	f/3.5	570g
PentaxHD PENTAX-DA645 28-45mm F/4.5 ED AW SR	PENTAX 645	Zoom	2014	28-45mm	f/4.5	1470g
PentaxMacro-Takumar 50mm F/4	M42	Macro	1964	50mm	f/4	265g
PentaxSMC 1000mm F/8	PENTAX K	Telephoto	1975	1000mm	f/8	5290g
PentaxSMC 100mm F/4 Bellows	PENTAX K	Macro	1975	100mm	f/4	185g
PentaxSMC 100mm F/4 Macro	PENTAX K	Macro	1975	100mm	f/4	370g
PentaxSMC 150mm F/4	PENTAX K	Telephoto	1975	150mm	f/4	373g
PentaxSMC 17mm F/4 Fish-Eye	PENTAX K	Fisheye	1975	17mm	f/4	234g
PentaxSMC 200mm F/4	PENTAX K	Cinema	1975	200mm	f/4	535g
PentaxSMC 20mm F/4	PENTAX K	Wide	1975	20mm	f/4	300g
PentaxSMC 28mm F/2	PENTAX K	Wide	1976	28mm	f/2	423g
PentaxSMC 300mm F/4	PENTAX K	Cinema	1975	300mm	f/4	1020g
PentaxSMC 35mm F/2	PENTAX K	Wide	1975	35mm	f/2	295g
PentaxSMC 400-600mm F/8-12 Reflex	PENTAX K	Mirror	1984	400-600mm	f/8	730g
PentaxSMC 45-125mm F/4	PENTAX K	Zoom	1975	45-125mm	f/4	612g
PentaxSMC 50mm F/4 Macro	PENTAX K	Macro	1975	50mm	f/4	241g
PentaxSMC 55mm F/2	PENTAX K	Portrait	1976	55mm	f/2	221g
PentaxSmc DA 10-17mm F/3.5-4.5 ED IF Fisheye	PENTAX K	Fisheye	—	10-17mm	f/3.5	320g
PentaxSmc DA 40mm F/2.8 XS Lens	PENTAX K	Prime	2012	40mm	f/2.8	45g
PentaxSmc DA 70mm F/2.4 AL Limited	PENTAX K	Prime	2006	70mm	f/2.4	130g
PentaxSMC Reflex 1000mm F/11	PENTAX K	Mirror	1977	1000mm	f/11	2300g