***See chart at bottom for details***
You need to have lenses if you're going to be making kaleidoscopes! High quality optical glass lenses unless otherwise noted as acrylic - all at very reasonable prices.
Magnifying Lenses
$2.22Price
Focal Length in
inches & (mm)
Material Diameter 2" (50mm)
Glass .4" (1cm) 2.36" (60mm)
Glass .4" (1cm) 3" (75mm)
Glass .4" (1cm) 4" (100mm)
Glass .4" (1cm) 5" (125mm)
Glass
15mm or 20mm 5.2" (130mm)
Acrylic
20mm 6" (150mm)
Glass
20mm 7" (175mm)
Acrylic
~1.25" (30mm) 7" (175mm)
Glass
1" (25mm) 8" (200mm)
Glass
1" (25mm) 9" (225mm) Glass ~1.25" (30mm) 10" (250mm) Glass ~1.25" (30mm) 11" (275mm) Glass 1" (25mm) 12" (300mm) Glass ~1.25" (30mm) 13+" (333mm) Glass .8" (20mm) ~16-20"
(400-500mm)
Glass .8 (20mm) ~30-40"
(750-1000mm)
Glass .8 (20mm)
