Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
PentaxSmc Pentax-A* 600mm F/5.6 ED	PENTAX K	Telephoto	1983	600mm	f/5.6	3280g
PentaxSmc Pentax-A* 600mm F/5.6 ED [IF]	PENTAX K	Telephoto	1983	600mm	f/5.6	3280g
PentaxSmc Pentax-A* 645 600mm F/5.6 ED	PENTAX 645	Telephoto	1986	600mm	f/5.6	4800g
PentaxSmc Pentax-A* 645 600mm F/5.6 ED [IF]	PENTAX 645	Telephoto	1986	600mm	f/5.6	4800g
PentaxSmc Pentax-A* 85mm F/1.4	PENTAX K	Portrait	1984	85mm	f/1.4	555g
PentaxSmc Pentax-D FA 100mm F/2.8 Macro	PENTAX K	Macro	2004	100mm	f/2.8	345g
PentaxSmc Pentax-D FA 100mm F/2.8 Macro WR	PENTAX K	Macro	2009	100mm	f/2.8	340g
PentaxSmc Pentax-D FA 50mm F/2.8 Macro	PENTAX K	Macro	2004	50mm	f/2.8	265g
PentaxSmc Pentax-D FA 645 25mm F/4 AL [IF] SDM AW	PENTAX 645	Wide	2011	25mm	f/4	1070g
PentaxSmc Pentax-D FA 645 25mm F/4 AL SDM AW	PENTAX 645	Wide	2011	25mm	f/4	1070g
PentaxSmc Pentax-D FA 645 55mm F/2.8 AL [IF] SDM AW	PENTAX 645	Prime	2010	55mm	f/2.8	416g
PentaxSmc Pentax-D FA 645 55mm F/2.8 AL SDM AW	PENTAX 645	Prime	2010	55mm	f/2.8	416g
PentaxSmc Pentax-DA 10-17mm F/3.5-4.5 ED [IF] Fish-eye Schneider-Kreuznach D-Xenogon, Samsung SA	PENTAX K	Fisheye	2005	10-17mm	f/3.5	320g
PentaxSmc Pentax-DA 10-17mm F/3.5-4.5 ED Fish-eye Schneider-Kreuznach D-Xenogon, Samsung SA	PENTAX K	Fisheye	2005	10-17mm	f/3.5	320g
PentaxSmc Pentax-DA 12-24mm F/4 ED AL	PENTAX K	Wide	2005	12-24mm	f/4	430g
PentaxSmc Pentax-DA 12-24mm F/4 ED AL [IF]	PENTAX K	Wide	2005	12-24mm	f/4	430g
PentaxSmc Pentax-DA 14mm F/2.8 ED	PENTAX K	Wide	2004	14mm	f/2.8	420g
PentaxSmc Pentax-DA 14mm F/2.8 ED [IF]	PENTAX K	Wide	2004	14mm	f/2.8	420g
PentaxSmc Pentax-DA 15mm F/4 ED AL Limited	PENTAX K	Wide	2009	15mm	f/4	212g
PentaxSmc Pentax-DA 16-45mm F/4 ED AL	PENTAX K	Zoom	2003	16-45mm	f/4	365g
PentaxSmc Pentax-DA 17-70mm F/4 AL [IF] SDM	PENTAX K	Zoom	2008	17-70mm	f/4	485g
PentaxSmc Pentax-DA 17-70mm F/4 AL SDM	PENTAX K	Zoom	2008	17-70mm	f/4	485g
PentaxSmc Pentax-DA 18-135mm F/3.5-5.6 ED AL [IF] DC WR	PENTAX K	Zoom	2010	18-135mm	f/3.5	405g
PentaxSmc Pentax-DA 18-135mm F/3.5-5.6 ED AL DC WR	PENTAX K	Zoom	2010	18-135mm	f/3.5	405g
PentaxSmc Pentax-DA 18-250mm F/3.5-6.3 ED AL	PENTAX K	Zoom	2007	18-250mm	f/3.5	455g
PentaxSmc Pentax-DA 18-250mm F/3.5-6.3 ED AL [IF]	PENTAX K	Zoom	2007	18-250mm	f/3.5	455g
PentaxSmc Pentax-DA 18-270mm F/3.5-6.3 ED SDM	PENTAX K	Zoom	2012	18-270mm	f/3.5	453g
PentaxSmc Pentax-DA 18-50mm F/4-5.6 DC WR RE	PENTAX K	Zoom	2015	18-50mm	f/4	158g