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SEK Optics (230 V, 50/60 Hz)
Student Kit Optics (230 V, 50/60 Hz)
![Concave Lens N, f = -100 mm, 1000844 [U8470140], Kröncke Optics](/imagelibrary/U8470140/U8470140_01_Concave-Lens-N-f-100-mm.jpg)
![Concave Lens N, f = -100 mm, 1000844 [U8470140], Kröncke Optics](/imagelibrary/U8470140/U8470140_02_Concave-Lens-N-f-100-mm.jpg)
![Concave Lens N, f = -100 mm, 1000844 [U8470140], Kröncke Optics (Small)](/thumblibrary/U8470140/U8470140_01_50_50_Concave-Lens-N-f-100-mm.jpg)
![Concave Lens N, f = -100 mm, 1000844 [U8470140], Kröncke Optics (Small)](/thumblibrary/U8470140/U8470140_02_50_50_Concave-Lens-N-f-100-mm.jpg)
![SEK Optics (230 V, 50/60 Hz), 1008531 [U8503000-230], Experiment Kits - Higher Level](/thumblibrary/U8503000-230/U8503000-230_01_140_140_SEK-Optics-230-V-5060-Hz.jpg)
![Student Kit Optics (230 V, 50/60 Hz), 1000734 [U60050-230], Experiment Kits](/thumblibrary/U60050-230/U60050-230_01_140_140_Student-Kit-Optics-230-V-5060-Hz.jpg)
![Convex Lens N, f = +300 mm, 1000841 [U8470110], Optics on a Whiteboard](/thumblibrary/U8470110/U8470110_01_140_140_Convex-Lens-N-f-300-mm.jpg)
![Convex Lens N, f = +100 mm, 1000842 [U8470120], Optics on a Whiteboard](/thumblibrary/U8470120/U8470120_01_140_140_Convex-Lens-N-f-100-mm.jpg)
![Convex Lens N, f = +50 mm, 1000843 [U8470130], Optics on a Whiteboard](/thumblibrary/U8470130/U8470130_01_140_140_Convex-Lens-N-f-50-mm.jpg)
![Helical Springs 5.25 N/m, 1000741 [U8401010], Coil Springs](/thumblibrary/U8401010/U8401010_01_140_140_Helical-Springs-525-Nm.jpg)
![Optical Bench N, 4003987 [U8470465], Kröncke Optics](/thumblibrary/U8470465/U8470465_01_140_140_Optical-Bench-N.jpg)
![Optics Equipment Set, 1003049 [U17300], Optics on a Whiteboard](/thumblibrary/U17300/U17300_01_140_140_Optics-Equipment-Set.jpg)
![Laser Optics Supplemental Set, 1003050 [U17301], Optics on a Whiteboard](/thumblibrary/U17301/U17301_01_140_140_Laser-Optics-Supplemental-Set.jpg)
![Board for Laser Ray Box, 1003056 [U17306], Optics on a Whiteboard](/thumblibrary/U17306/U17306_01_140_140_Board-for-Laser-Ray-Box.jpg)
![Halogen Lamp, 12 V, 55 W, 1003322 [U40113], Optics on a Whiteboard](/thumblibrary/U40113/U40113_01_140_140_Halogen-Lamp-12-V-55-W.jpg)
![Object Holder N, 1000845 [U8470350], Kröncke Optics](/thumblibrary/U8470350/U8470350_01_140_140_Object-Holder-N.jpg)
![Projection Screen K, Transparent, 1000878 [U8476310], Kröncke Optics](/thumblibrary/U8476310/U8476310_01_140_140_Projection-Screen-K-Transparent.jpg)
![Linear Resistor, 100 Ohm, 1012910 [U333018], Plug-In Component System](/thumblibrary/U333018/U333018_01_140_140_Linear-Resistor-100-Ohm.jpg)
![Linear Resistor, 4.7 kOhm, 1012920 [U333028], Plug-In Component System](/thumblibrary/U333028/U333028_01_140_140_Linear-Resistor-47-kOhm.jpg)
![Halogen Lamp 12 V, 20 W, 1003533 [U8475410], Kröncke Optics](/thumblibrary/U8475410/U8475410_01_140_140_Halogen-Lamp-12-V-20-W.jpg)
![Constantan Resistance 0,3 mm / 100 m, 1000956 [U8495532], Wire](/thumblibrary/U8495532/U8495532_01_140_140_Constantan-Resistance-0-3-mm-100-m.jpg)
![Constantan Resistance 0,5 mm/ 50 m, 1000958 [U8495540], Circuits](/thumblibrary/U8495540/U8495540_01_140_140_Constantan-Resistance-0-5-mm-50-m.jpg)
![Brass Resistance 0,3 mm / 50 m, 1000959 [U8495550], Circuits](/thumblibrary/U8495550/U8495550_01_140_140_Brass-Resistance-0-3-mm-50-m.jpg)
![Momentary Contact Switch on Acrylic Base, 1000962 [U8495930], Circuits](/thumblibrary/U8495930/U8495930_01_140_140_Momentary-Contact-Switch-on-Acrylic-Base.jpg)
![SEK Mechanics, 1008527 [U8501000], Experiment Kits - Higher Level](/thumblibrary/U8501000/U8501000_01_140_140_SEK-Mechanics.jpg)
![Digital Multimeter E, 1018832 [U8531051], Hand-held Digital Measuring Instruments](/thumblibrary/U8531051/U8531051_01_140_140_Digital-Multimeter-E.jpg)