Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
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
PentaxSmc Pentax-DA 18-55mm F/3.5-5.6 AL	PENTAX K	Zoom	2004	18-55mm	f/3.5	225g
PentaxSmc Pentax-DA 18-55mm F/3.5-5.6 AL II	PENTAX K	Zoom	2008	18-55mm	f/3.5	220g
PentaxSmc Pentax-DA 18-55mm F/3.5-5.6 AL WR	PENTAX K	Zoom	2009	18-55mm	f/3.5	235g
PentaxSmc Pentax-DA 21mm F/3.2 AL Limited	PENTAX K	Wide	2006	21mm	f/3.2	140g
PentaxSmc Pentax-DA 21mm F/3.2 AL Limited Silver	PENTAX K	Wide	2011	21mm	f/3.2	140g
PentaxSmc Pentax-DA 35mm F/2.4 AL	PENTAX K	Wide	2010	35mm	f/2.4	124g
PentaxSmc Pentax-DA 35mm F/2.8 Macro Limited	PENTAX K	Macro	2008	35mm	f/2.8	215g
PentaxSmc Pentax-DA 40mm F/2.8 Limited	PENTAX K	Prime	2004	40mm	f/2.8	90g
PentaxSmc Pentax-DA 40mm F/2.8 Limited Silver	PENTAX K	Prime	2011	40mm	f/2.8	90g