Nikon 135mm f/2.8 NIKKOR-Q.C Auto Non AI Manual Focus Lens {52}

Nikon 135mm f/2.8 NIKKOR-Q.C: a classic manual telephoto prime

This is a manual focus telephoto prime built on the Nikon F mount in its original Non-AI form, carrying a maximum aperture of f/2.8 at a fixed 135mm focal length. That single focal length puts it squarely in classic portrait and short telephoto territory, with enough reach to compress backgrounds and isolate a subject without the bulk of a longer lens.

The 52mm filter thread keeps it compatible with a common, easy to find filter size, so adding a polarizer or ND for outdoor work doesn't require hunting down oversized glass. Being a Non-AI lens, it reflects an earlier generation of Nikon's F-mount lineup, before the automatic aperture indexing of later AI and AI-S optics, which means focusing and aperture control are handled entirely by hand.

For photographers who like a deliberate, mechanical shooting process, that manual control is part of the appeal than a limitation. There's no autofocus motor, no electronic aperture coupling, just glass, metal, and a focus ring that rewards a slower, more considered approach to composing a shot. It's a lens built for people who want to slow down and think through each frame before they commit to it.

Who It's For

Photographers working with older Nikon F bodies that predate AI metering coupling will find this lens fits naturally into that system without adapters or workarounds. Portrait shooters who favor a 135mm field of view get a focal length long enough to flatten perspective and separate subject from background at f/2.8. Manual focus enthusiasts and those building out a fully mechanical film kit will appreciate a lens with no electronics to fail and a straightforward aperture ring. Collectors of vintage Nikon glass looking to pair period-correct optics with classic F-mount bodies get a lens whose 52mm filter thread also keeps accessory costs manageable.

Key Features

• 135mm fixed focal length telephoto prime
• f/2.8 maximum aperture
• Nikon F Non-AI mount with manual aperture control
• 52mm filter thread
• Manual focus with mechanical focus ring

FAQ

What mount does this 135mm use?

Nikon F Non-AI mount. It's the original F-mount design before automatic aperture indexing, so it requires manual aperture control and works best with bodies that support manual-aperture lenses.

Is this lens autofocus?

No. This is a fully manual focus lens with a mechanical focus ring - there's no autofocus motor or electronic coupling.

What filter size does it take?

52mm. That's a common thread size, so finding polarizers, ND filters, and other accessories is straightforward.

What's the maximum aperture?

f/2.8. It's a fast telephoto prime, which means it gathers decent light and produces subject isolation at medium to longer distances without requiring a wider aperture than the glass allows.

Is this a portrait lens?

At 135mm on film or full-frame digital, it sits in classic portrait and short telephoto range. The focal length compresses perspective and throws backgrounds out of focus, making it a solid choice for portraiture or any shooting that benefits from that compression and isolation.

How does the Non-AI designation affect operation?

Non-AI lenses lack automatic aperture indexing, so you set the aperture manually on the lens and hold it at the working stop while focusing. It's a more deliberate shooting process than modern lenses, but that mechanical, hands-on control is exactly what draws photographers to older glass.