An optical lens set of six 50mm diameter acrylic lenses. The lenses have ground and polished faces and ground edges. The set includes one of each of: double convex, plano-convex, converging concave-convex, diverging concave-convex, double concave and plano-concave.

• Acrylic lens set
• Lens diameter 50mm
• Eisco type PH0538C

An optical lens set of six 50mm diameter glass lenses. The lenses have ground and polished faces and ground edges. The set includes one of each of: double convex, plano-convex, converging concave-convex, diverging concave-convex, double concave and plano-concave.

• Glass lens set
• Lens diameter 50mm
• Focal length - plano-convex and plano-concave: 25cm
• Focal length - other lenses: 20cm
• Wooden storage box with hinges and latch
• Eisco type PH0538A

An optical lens set of six 38mm diameter acrylic lenses. The lenses have ground and polished faces and ground edges. The set includes one of each of: double convex, plano-convex, converging concave-convex, diverging concave-convex, double concave and plano-concave.

• Acrylic lens set
• Lens diameter 38mm
• Focal length 150mm
• Eisco type PH0538D

A wooden holder with a V-shaped slot for supporting lenses or mirrors up to 76mm in diameter.

The holder consists of an upright 100mm high, mounted on a 100 x 50mm rectangular base. An index mark is engraved on each end of the base for easy distance measurements.

• Holds convex or concave lenses
• Dimensions:100 x 100 x 50mm
• Eisco type PH055A

A double-concave spherical lens with a focal length of 1000mm and a power of +1D.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

A double-concave spherical lens with a focal length of 100mm and a power of +10D.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

A double-concave spherical lens with a focal length of 150mm and a power of +6.6D.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

A double-concave spherical lens with a focal length of 200mm and a power of +5D.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

Double-concave spherical lens with a focal length of 250mm.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

A double-concave spherical lens with a focal length of 300mm and a power of +3.3D.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

A double-concave spherical lens with a focal length of 500mm and a power of +2D.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

Double-concave spherical lens with a focal length of 50mm.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

Double-convex spherical lens with a focal length of 1000mm.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

Double-convex spherical lens with a focal length of 100mm.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

Double-convex spherical lens with a focal length of 150mm.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

Double-convex spherical lens with a focal length of 200mm.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

Double-convex spherical lens with a focal length of 250mm.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

Double-convex spherical lens with a focal length of 300mm.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

Double-convex spherical lens with a focal length of 500mm.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly

Double-convex spherical lens with a focal length of 50mm.

• Clear glass
• Ground edges
• Diameter 50mm
• Supplied singly