optical instruments
mini-dioptometer system


 

mini-dioptometer system shown with two target collimator containing NBS and Starburst patterns

mini-dioptometer system description
Goggles and sunglasses are quickly tested for refractive power, prismatic power and definition with this instrument. It conforms with the American National Standard (ANSI) 6.3.2.2. & 6.3.4.1 and NBS publication 374 (page 25 & 26) thereby satisfying existing OSHA requirements. Variations of power are read directly to 0.01 diopter with the important 1/16 diopter lines clearly marked. Space is saved and reliability increased by eliminating the need for mounting a target 35 feet away. The system consists of 4 components: the Mini-Dioptometer, the Collimator with power adapter, the Lens Holder and Component Support . Each component is available separately. The eyewear being tested is placed on the Lens Holder between the Mini-Dioptometer and the Collimator. You have a choice of using any of our optional lens holders.

The Single Target Collimator (M512MDC) forms an image of the National Bureau of Standards test chart which when viewed by the Mini-Dioptometer is equivalent to focusing on a test chart 35 feet distant. The Two Target Collimator (M512MDC2) contains the NBS and Starburst patterns with double illuminators. The Mini-Dioptometer (M522MD) is adjusted by means of a graduated drum. The user focuses, through the glass being tested, on the test chart image from the Collimator. The refractive power variation is then read directly on the drum. The Mini-Dioptometer works equally well in the space saving system or focused on a test chart 35 ft. away. In either case you see exactly the same size pattern. The Space Saving System is particularly useful for checking tinted welders lenses where high light intensity is necessary to penetrate the lenses. 

The Mini-Dioptometer System individual components are priced as follows:

M522MD    Mini-Dioptometer    $2,950.
M512MDC  Collimator with single NBS Target, illuminator and power adapter   $2,625.
M512MDC2 Two Target  Collimator containing NBS & Starburst patterns with double illuminators and power adapter  $3,950.
M522MDS  Base Support with Lens Holder Post  $595.
M3050MD  High Resolution USB Camera system for your Windows PC  $1630.

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