Until 1942 Bausch & Lomb used a standard numeric sequence for the Serial numbers for their lenses. [1]
Bausch & Lomb until 1942 (numeric)
Serial nº | Year |
1 | 1876 |
150 | 1877 |
350 | 1878 |
800 | 1879 |
1100 | 1880 |
1450 | 1881 |
1750 | 1882 |
2000 | 1883 |
2500 | 1884 |
3000 | 1885 |
3800 | 1886 |
4500 | 1887 |
5300 | 1888 |
6375 | 1889 |
7600 | 1890 |
9200 | 1891 |
10000 | 1892 |
11700 | 1893 |
13900 | 1894 |
17000 | 1895 |
20000 | 1896 |
25000 | 1897 |
28000 | 1898 |
30000 | 1899 |
32000 | 1900 |
33000 | 1901 |
35000 | 1902 |
40000 | 1903 |
45000 | 1904 |
52000 | 1905 |
57000 | 1906 |
63000 | 1907 |
69000 | 1907 |
76000 | 1909 |
82000 | 1910 |
86000 | 1911 |
89000 | 1912 |
95000 | 1913 |
98000 | 1914 |
104000 | 1915 |
110000 | 1916 |
120000 | 1917 |
129000 | 1918 |
135000 | 1919 |
140000 | 1920 |
148000 | 1921 |
155000 | 1922 |
160000 | 1923 |
170000 | 1924 |
175000 | 1924 |
180000 | 1925 |
185000 | 1926 |
190000 | 1926 |
195000 | 1927 |
200000 | 1928 |
205000 | 1929 |
215000 | 1929 |
225000 | 1930 |
230000 | 1931 |
235000 | 1932 |
240000 | 1934 |
244000 | 1935 |
247000 | 1935 |
250000 | 1936 |
260000 | 1937 |
270000 | 1938 |
280000 | 1939 |
290000 | 1940 |
300000 | 1940 |
310000 | 1941 |
320000 | 1942 |
Although B&L no longer manufacture or sell microscopes, telescopes and binoculars, they may let you know how old the 'scope is. Try writing them or emailing their customer service department. About twenty five years ago, they let me know how old my 'scope was, but I did have a serial number. Aug 26, 2019 kds315. wrote: Up to 1942 Bausch & Lomb, Rochester USA used a numerical scheme when all of a sudden then they changed it to some cryptic two letter + digits scheme. As far as I know only the first letter is significant for the production date, the second is a code class for lenses, microscopes etc. The decoding is a s follows.
Bausch & Lomb from 1942 (alphanumeric)
From 1942 Bausch & Lomb used an alphanumeric code for the lenses, where the first letter encodes the year and the second letter (apparently) the class of lens
Letter | First Letter (year) | Second Letter (lens class) |
A | 1941 | aerial lens |
B | 1945 | |
C | 1949 | |
D | 1953 | |
E | 1957 | |
F | 1961 | photographic lens |
G | 1963 | |
H | 1959 | |
J | 1955 | |
K | 1951 | |
L | 1947 | |
M | 1943 | |
N | 1962 | |
P | 1958 | |
R | 1954 | |
S | 1950 | lens for survey cameras |
T | 1946 | |
U | 1942 | |
V | 1944 | |
W | 1948 | |
X | 1952 | |
Y | 1956 | |
Z | 1960 |
Notes
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When people hear the name Bausch and Lomb, they typically think contacts and sunglasses, instead of rifle scopes. However, in the mid 1960’s, Bausch and Lomb did venture into the sporting optics market and produce a number of rifle scopes.
Bausch and Lomb was founded in Rochester, NY in 1853 by John Bausch and Henry Lomb. Bausch was an optician, while Lomb was the financial backer of the company. When the company first started, they manufactured a high end (for that time period) line of monocles and eye glass frames. By the end of the 20th century, Bausch and Lomb was producing eyeglasses, microscopes and binoculars, as well as projectors, and camera lenses.
During WW1 and WW2, the demand for optical based military equipment reached an all time high for B&L as military products accounted for almost 70% of all the products they sold. Once the wars were over, Bausch and Lomb saw the optics market change so they changes as well.
In 1962, Bausch and Lomb marketed their first series of rifle scopes, called the Balfour. BAL was an abbreviation for Bausch and Lomb and “four” was the power of the scope. This scope was a success, which led to the introduction of other B&L models, including a very popular variable model called the Balvar (var meaning variable). Many people commonly think that the scope series was a “Balvar” and didn’t realize that it was a combination of the abbreviation and the scope settings. Most of the Balvar models were a variable 2.5 to 8 power scope.
In 1968, Bausch and Lomb released their 2nd generation of scopes known as the “B” series. This series was a continuation of the early BAL models with a “B” appended to the name such as a Balvar 8B. The “B” series did well, leading B&L to release a 3rd generation of scopes known as the Elite 3000 and Elite 4000 series.
Pokemon ash grey. In 1973, Bausch & Lomb decided to move away from the sports optics field and more towards the medical optical field, so they sold licensing rights of their scope line to Bushnell, who changed the scope model names, but continued to market under the B&L name. Bausch and Lomb scopes of this time period were still manufactured in the Rochester plant, and were still called the Elite series.
In 2004, the licensing agreement ended and Bausch and Lomb elected not to renew the arraignment so Bushnell could no longer use the B&L name. Bushnell moved production of the rifle scope line to a plant in Japan and renamed the line the Bushnell Elite series (which is still produced today).
There are still a large number of very nice B&L scopes from the 1960’s and 1970’s still floating around today. The B&L elite target models of the late 90’s are still highly prized by benchrest and target shooters for their clarity and performance. The older BAL models were very well made scopes for that time period and would have been the equivalent of a high end Leupold today, costing over $100 in the late 1960’s.
Here are some really nice Bausch and Lomb rifle scopes that are still for sale:
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Bausch And Lomb Microscope Catalog
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Bausch And Lomb Microscope Models
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