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LM-8, Lensmeter

Short description

LM-8, Lensmeter
The Topcon LM-8 is a classic lensmeter model which is battery operated with LED-light. Read more>

Key Features

  • LED illuminated target for brighter, glare-free viewing
  • Crosshair style target
  • High and wide field eyepiece provides less shading effect and is less fatiguing
  • Improved marking device
  • Battery operated
  • Contact lens measurement
  • Built-in prism compensator


Target Topcon’s Original Cross Line
Scale reading Internal
Vertex power scale 0 to ± 25 diopters
Vertex power scale graduation 0.125D up to ± 5 D / 0.25D above ± 5
Prism diopter scale 0 to 6 prism diopters 1 ∆graduations
Eyepiece adjustment +3 to –5 diopters
Lens diameter 24mm to 90mm in diameter
Tilt angle 0 to 90 degree, freely adjustable
Light source LED 570 nm
Dimensions 160 (W) x 420 (D) x 310 (H)mm
Weight approx. 4.0 kg
Power source Battery operated (1.5V sizeD x2) Auto shut off 5 min.


The Topcon LM-8 series makes measuring of lenses with a low range cylindrical power easy. The technological harmony of high magnification optics and excellent wide field eyepiece make this possible. LM-8 is battery operated with LED-light.


The LM-8 Lensmeter has an improved optical system and a LED illuminated target for glare-free viewing and fatigue-free operation. The instrument also features a new cartridge type marking device and a redesigned eyepiece.