This 135mm f/2.8 AI-S is a direct upgrade to the AI version with no change in optical formula and outwardly looks very similar to its older sibling. The AI version was painful to service but how does the AI-S compare?
Saturday, 5 September 2026
Another joyless jaunt: Nikkor 135mm f/2.8 AI-S Service/Repair
The 135mm f/2.8 AI-S debutted in 1981, replacing the AI version, with a lengthy production run that last into the new millenium and continued to be the high consumer end medium telephoto. It lived in the shadow of the more famous peers - the 105mm f/2.5 AI-S, 180mm f/2.8 AI-S and various fast 85mms - and probably suffered reputational confusion like the 85mm f/2 AI-S.
This 135mm f/2.8 AI-S is a direct upgrade to the AI version with no change in optical formula and outwardly looks very similar to its older sibling. The AI version was painful to service but how does the AI-S compare?
This 135mm f/2.8 AI-S is a direct upgrade to the AI version with no change in optical formula and outwardly looks very similar to its older sibling. The AI version was painful to service but how does the AI-S compare?
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