http://www.ec21.com/ec-market/m12 lens.html http://121695546.en.ec21.com/5_50_3.5_9_3.3--3572333_3574502.htmllens RV0550D.IR 5~50mm 1.2 &nb20090527 http://ronix.en.ec21.com/Outdoor_Mini_Bullet_Camera--2801596_2801765.htmllens f4.0mm, F2.0, M12 Infrared LEDs 20pcs x 850nm Operating Power 12VDC(9 - 15Vdc), 4.0Watts max Operating condition -20090102 http://anb110.en.ec21.com/AB800_I3851_IR_Camera--2515635_2982992.htmlLens 4 9mm / 6 15mm DC Switch Filter M12 Lens selectable Minimum Illumination 0.2Lux / F1.2 , 0Lux ( IR on) S/N20100105 http://amandagao33.en.ec21.com/Security_IP_Camera--3995152_4005762.htmlLens 3.6/6/8/12mm M12 Lens optional Operation temp. -10  � Â� ½ Â� +50  � &A20100104 http://kathycaraca.en.ec21.com/New_IR_CCD_Camera--2777989_3948186.htmlLens furnished: CS/M12 lens selectable S/N ratio: more than 48DB Gamma correction: 0.45 AGC gain control: high/low (20091121 http://tommyzhuang7.en.ec21.com/Board_Lens_CCTV_Lens--3420177_3420203.htmlM12 0.5 Dimension(D L mm) 14 15.9 Weight(g) 4.2 Board lens Series Fixed Iris F1.2 4mm 6mm 8mm F1.4 12mm20090907 http://sunqs.en.ec21.com/Sun_CCTV_IP_Camera--3715194_3715305.htmlLens Spec. Fixed focus: 6mm/F1.6, View angle: 51???ONT> Lens Mount M12 Min Illumination Color: 0.5Lux/F1.2 B/W: 020090802 http://hatening.en.ec21.com/Low_Cost_IR_Network_PTZ--3609797_3624694.htmlLens Mount M12 0.5 Min. Illumination 0.4Lux/F1.2 0.1Lux/F1.2 (0Lux with IR) IR Day & Night --- IR Video Analog Ouput 1 20090623 http://zgx6868.en.ec21.com/GAB_Series_4_Stations_Cold--2607669_2607670.htmlM12 M16 M20 MAX.P.K.O.LENGTH (MM) 12 18 20 35 45 46 MAIN DIE HOLE (MM) 50 60 75 86 100 125 PUNCHER HOLE (MM) 40 50 55 620090215 http://peterhar.en.ec21.com/Miniature_Camera--2825164_3111364.html 1/3" Sony Super HAD CCD, 420TVL 0.5Lux, 3.7mm pinhole M12 lens,D/N function,PMC included Specification Model FS-88220081120 http://secview.en.ec21.com/IR_Dome_Camera--2943825_2944177.htmlM12 mount ◆ Power:DC12V Specification Model ID86A/15MF Pickup device 1/3" SONY CCD Pixels PAL:752 H *582 V NTSC20080729