Gregg: "The 2650 was a reflected light configuration designed primarily to compete with Olympus, Nikon, Leitz and Zeiss for semiconductor inspection.
Some special objectives for laser applications were "air-spaced", meaning the lens elements were not bonded with glue - the laser wavelengths would eventually cook and burn the cement, rendering the objective useless." Also, the 3000 was very popular for laser beam delivery, for trimming thick film electronic substrates - essentially a tuning step in the manufacturing process. The AO 3000 was used for many OEM applications (manufacturer uses a modular optical system, in this case from AO, in their own proprietary designed assembly, test, or manufacturing system). The only main difference was that the higher power objectives were not cover slip corrected.
#Reichert Microscope Serial Numbers series
Gregg: "The AO 3000, which was a modular "industrial body" with reflected light, was based on the Series 10 architecture. Kleinberg and Wallace Kelly of Yahoo's Microscope Group for checkingĪnd correcting this section and for adding the following 'Black' scopes to the newer 'Gray' Cycloptic and Series 2/4 line. Both adhered toįollowing three ads from 1955, 1957, and 1958 to show the transition from the These scopes wereġ60mm T.L.* and infinity corrected, respectively. Simply 'Reichert' brought out the 310 and 410 line. Time and some consider the earlier AO Series 20 as representing the Good example of the breadth of accessories available for AO scopes inĪO and it's line were starting in decline about this Panoramic view of the AO Series 110 in all it's glory in 1983 - and a Also of note: the ad reveals that AO had made over 5,000,000 Semi-Plan Achro - and was offering them at special introductory Just brought out its 'Advanced Plan' line of objectives - and a 63x I'll take one of eachĪd that showed in medical journals in 1981. Look at AO's fine Stereo Microscope lines. it's also a nice intro to DIC principles as well.
#Reichert Microscope Serial Numbers full
Scopes! Click on the thumbnail to see a full image of two AO DIC scopes On the thumbnail at the left for some 1937 marketing of Spencer's Series 33Ĭlick on the thumbnail for some AO marketing glitzĮffectively highlights both the focusable nosepiece and the infinity Īnd some nice silhouettes of its historical scopes in 1973
On the thumbnail at the left for AO's view of of it's own history. These scopes are still 'out there' working. This 15 page piece provides an excellent overview of not only Spencer Lens,ĪO Spencer, and American Optical contributions to microscopy, but other Richards - has been contributed by Dave Jackson and is hosted on This continued right on through theĪrticle - "One Hundred Years of Microscopy in the United States",īy Oscar W. Parfocal**, as they were before this time, but now were corrected for an infinite tube-length (American Optical, with the advent of the Series 10 and 20 scopes, jumped to infinity correction on all it's With an important exception - Metallurgical objectives, in contrast, were (source: )Īnd AO (American Optical) scopes and their objectives were corrected for a 160mm tube-length. Spencer Lens Company in 1935 and by 1945 it was known as the Instrumentĭivision of American Optical Company. The company operated by the name of Spencer & Smith, but in 1895 itīecame the Spencer Lens Company. Later, in 1865, heīegan operating as C.A. Of microscopes, publishing his first catalog in 1838. Spencer, but you can date your B&L (Bausch & Lomb) microscope here too.Ĭharles Spencer was the first American maker keep this quiet, as B&L was a fierce competitor to AO To find (interpolate might be more accurate) the date of manufacture of your AO
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