If a 2,5" LCD is used in a normal slide projector one will need two fresnel lenses in order to illuminate the LCD evenly. The fresnel lenses are placed approx. 2cm before and after the LCD (sandwich method). Thus leads to a enlighted corners.



Specifications:

- dimensions: 42 x 77mm
- thichness: 0,4mm
- weight: 5g
- material: optical PVC
- grooving distance: 0,2mm
- focal length: 160mm
- enlargement mutliplyer: 4x

delivered in protective case