Trial Lens Set- Black/Red

Quantity : 1 Box

Trial Lens set with Trial Frame in illuminated wooden case. It contains total of 225 lenses that are highly accurate, export quality. Lenses are of 20 mm aperture that are fit in aluminium mounts of 38mm. The plus lenses come in black colour and the minus lenses come in red colour. The lens tray rises automatically when the wooden box is opened. Light turns on when the box is opened. a wire is provided for the illumination.

Total spherical lenses are 128 lenses. 32 pairs of plus lenses and 32 pairs of minus lenses each. Power range of spherical lenses is 0.12Ds to 20Ds.

0.12Ds to 4.0Ds in 0.25Ds steps.

4.0Ds to 6.0Ds in 0.5Ds steps.

6.0Ds to 14.0Ds in 1.0Ds steps.

14.0Ds to 20.0Ds in 2.0Ds steps.

Total Cylindrical lenses are 80 lenses. 20 pairs of plus lenses and 20 pairs of minus lenses each. Power of cylindrical lenses is from 0.12Dcyl to 6.0Dcyl.

0.12cyl to 3.5cyl in 0.25cyl steps.

3.5cyl to 6.0cyl in 0.5cyl steps.

Total prism lenses are 10 lenses.

Total accessory lenses are 7 lenses which include pin hole lens, occluder lens, maddox rod lens, red and green filter, stenopic slit lens.

Also called as trial box.