Description

Used in optical experiments such as determining the resolving power of a telescope, angular dispersion, and diffraction. Comprises Illumination lamp mounted in a cylindrical housing with heat-dissipating vents fitted with adjustable sliding arrangement on a vertical support rod. Scale made of metal graduated 50cm with zero at center, bidirectional marking. Horizontal scale slider allows smooth movement along the scale. Vertical lamp mount screw-based height adjustment with locking knob. Can be paired with collimators for precise light focusing.