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LASER VIEW LENS 3.75cm F SHOWS LASER BEAM
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LASER VIEW PRISM 30deg SHOWS LASER BEAM
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LASER VIEW PRISM 60deg SHOWS LASER BEAM
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LASER VIEW PRISM 90deg SHOWS LASER BEAM

LASER VIEW RECTANGULAR BLOCK SHOWS LASER BEAM

LASER VIEW STRIP CURVED 220x20x10 SHOWS LASER BEAM
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LASER VIEW STRIP STRAIGHT 240x20x10 SHOWS LASER BEAM
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LAW OF CONSERVATION OF MASS EXPERIMENT BOTTLE
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LENS AND MIRROR HOLDER PLASTIC ADJUSTABLE
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LENS BICONCAVE 50x45mm (hxw) 15cm focal length
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LENS BICONCAVE 50x45mm (hxw) 20cm focal length
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LENS BICONCAVE 50x45mm (hxw) 7cm focal length
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LENS BICONVEX 50mm d 6 DIFFERENT FOCAL LENGTHS IN BOX

LENS PLANO/CONCAVE 50x45mm (hxw) 15cm focal length
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LENS PLANO/CONCAVE 50x45mm (hxw) 30cm focal length
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LENS PLANO/CONCAVE 50x45mm (hxw) 6cm focal length
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LENS PLANO/CONVEX 50x45mm (hxw) 10cm focal length
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LENS PLANO/CONVEX 50x45mm (hxw) 15cm focal length
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LENS PLANO/CONVEX 50x45mm (hxw) 6cm focal length
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