Standard Optical Bench 2 Metres. This full length Optical Bench is more comprehensive version of the metre bench and includes powerful LED light source with adjustable condenser. The LED light source, which does not get hot, should give thousands of hours use without replacement and the electricity consumption is very low. The rail offers excellent support and alignment of the optical elements. The lenses and the objects (Ø 50 mm) are held tight in the lens holder with ring which can be tightened to ensure precise positioning and prevent risk of damage. Contents include: 2-metre rail, graduated in mm, LED light source with adjustable condenser and support, sliders lens holder 4 lens holders, prism 1 prism holder, white screen 1 ground glass screen, F-letter, set of diaphragms (Ø3, and mm), set of lenses (F -100, -50, +50, +100, +200, +500), concave mirror 1 convex mirror 1 plane mirror.
