Classement par Marques / Fabricants
Beck
|
Nom
|
Source
|
f/
|
Fmm
|
a°
|
Date
|
Type
|
Coupe
|
Inventeur
|
Maison
|
Lien
|
| Multifex | GB 1904 23 388 |
4
|
112
|
25
|
1904
|
2/112
|
 |
_/_
|
Beck
|
|
| Isostigmar | tur nº119 a p158 GB 1906 27 180 |
8
|
100
|
30
|
1906
|
11/111
|
 |
H. C. Beck
|
Beck
|
|
| _/_ | US 871 559 |
8
|
100
|
30
|
1907
|
11/111
|
 |
H. C. Beck
|
Beck
|
|
| _/_ | GB 1910 22157 I |
6,3
|
100
|
30
|
1910
|
/1111
|
 |
C .Beck
|
Beck
|
|
| _/_ | GB 1910 22157 II |
5,6
|
100
|
40
|
1910
|
/1111
|
 |
C .Beck
|
Beck
|
|
| _/_ | GB 1910 22157 III |
8
|
100
|
35
|
1910
|
/111
|
 |
C .Beck
|
Beck
|
|
| _/_ | GB 1910 22157 I(sans L3) |
9
|
150
|
20
|
1910
|
/111
|
 |
C .Beck
|
Beck
|
|
| _/_ | GB 1910 22157 I (sans L4) |
16
|
200
|
15
|
1910
|
/111
|
 |
C .Beck
|
Beck
|
|
| _/_ | GB 1910 22157 II (sans L3) |
11
|
150
|
20
|
1910
|
/111
|
 |
C .Beck
|
Beck
|
|
| _/_ | GB 1910 22157 II (sans L4) |
13
|
203
|
20
|
1910
|
/111
|
 |
C .Beck
|
Beck
|
|
| <Projection and photography lens> | US 1 034 408 |
4,5
|
100
|
35
|
1911
|
/111
|
 |
Conrad et Horace Beck
|
Beck
|
|
| Triplet | GB 1911 03 399 | Tur. nš156b p.199 |
6,0
|
93,3
|
40
|
1911
|
1/11
|
 |
C. Beck
|
_/_
|
|
| Triplet | GB 1911 04 714 | Tur. nš156c p.199 |
6,0
|
93,3
|
50
|
1911
|
1/11
|
 |
C. Beck
|
_/_
|
|
| Sky lens | GB 0 225 398 |
11
|
100
|
179
|
1924
|
1/11
|
 |
R. Hill
|
Beck
|
|