Refracting telescope with achromatic lens, made by the Dollond family

Optics

1760-1775

Handheld reading lens and case

Optics

1680-1700

Telescope by John Marshall

Optics

1685-1695

Telescope by Christopher Cock

Optics

1673

Telescope by John Yarwell.

Optics

1685-1695

‘Visual glasses’ designed by Benjamin Martin

Optics

1756-1800

Pair of plastic National Health Service spectacles

Optics

circa 1950

Horn framed reading lens with tooled leather case

Optics

1680-1695

Model of a Penrose staircase

Optics

1968

Multiplying spectacles, 1650

Optics

1650

English pivot folding eyeglasses

Optics

1870-1889

Extra glass prism, for tripod stand mounted camera obscura

Optics

Pair of steel wire framed protective goggles

Optics

1838-1850

William Herschel’s ‘infrared’ prism

Optics

1795-1805

Wilson screw barrel microscope, by Culpeper

Optics

1730

Polariscope lens

Optics

Pair of 'NHS NEWFIT' spectacles

Optics

1946-1983

Original prism by Joseph von Fraunhofer

Optics

Original gas resonance tube made by R.W. Wood

Optics

Contact lens

Optics

Diffraction grating area 5 cm by 4.5 cm on 8 cm by 7.5 cm (approx) block of speculum metal

Optics

1905-05-26

Telescope by Ramsden

Optics

Early tortoiseshell spectacles with small round lenses

Optics

Everett Edgecumbe photometer, no. 356504

Optics

Stereoscopic transparency of the parallax panoramagram type

Optics

Spectacles with 'new system' oval deep concave lenses

Optics

1863-1818

Spectacles

Optics

Two "Franklin Split Bifocal" lenses: (1) Oval

Optics

Chinese spectacles with round concave pebble lenses and two-piece side-arms

Optics

White-light reflection hologram

Optics

1995

Stereoscope by Antoine Claudet

Optics

Small periscope

Optics

1897

Parallelopiped of Faraday's heavy glass

Optics

FF4 rangefinder

Optics

Polariscope

Optics

1840-1850

Replica concave diffraction grating

Optics

1913, 14 November

Non-prismatic binoculars with compass

Optics

Avo exposure meter

Optics

Lovibond Tintometer

Optics

FT37 war office type rangefinder

Optics

Reflecting goniometer by H.A. Miers

Optics

Dial Sight, F.H.13, by Georg

Optics

Lens type PS 0120006 polished and A/R coated on one face by Barr and Stroud Ltd.

Optics

1986

Four channel colour separation prism system for television camera

Optics

1986

7x50 binocular with internal filters model CF41 serial number 12648 by Barr & Stroud

Optics

1940

'Octagon preserver' spectacles with round rectangular lenses and sliding side-arms

Optics

1780-1820

Plane Rowland diffraction grating on speculum metal

Optics

1895-1909 (estimated)

Claude Lorrain Mirror of white glass with black wax at back (c.1770-90)

Optics

1770-1790

White oval Bright's patent bi-focal spectacle lens with triangular segment

Optics

1912

Early pivot eyeglasses with round lenses

Optics