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Diffraction grating 27x29 mm..
Fibre Optics D1; 2M..
Lens Biconvex ..
Lens Bikonvex d21,8 f40..
Lens Bikonvex d25,3 f103..
Lens Holder Biconvex..
Lens holder D16.5..
Lens holder D21.8..
Lens holder D25.3..
Lens Holder Plano- Convex..
Lens plankonkav D16.5, f-35..
Lens Plano-Convex..
Reflecting Plate..
