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Object : To determine with the help of a Nodal Slide, the focal length of a combination of two lenses separated from each other by some particular distance. Supplied complete with the following :
Two Convex lenses
Nodal Slide Accembly
Nodal Upright
Mirror
Optical Slit
Lamp House
Instruction manual
Heavy Duty Optical Bench (1.5 Meter Long, Dual Rod