32,721
edits
No edit summary |
No edit summary |
||
Line 26: | Line 26: | ||
Type O was [[introduced in 1962|introduced in mid-1962]] and it was | Type O was [[introduced in 1962|introduced in mid-1962]] and it was | ||
available | available until the discontinuance of the entire 500-series scope line in 1974. | ||
The Type O can be used with any of the following adapters: | The Type O can be used with any of the following adapters: |