Nikon AF NIKKOR 300mm f/2.8 ED Autofocus IF Lens {39 Drop-In/Filter}

Nikon's 300mm f/2.8 ED IF: the telephoto workhorse that defined a generation.

At 300mm and f/2.8, this lens sits at a focal length and aperture combination that working photographers have relied on for decades. The maximum f/2.8 aperture gives you the light-gathering needed to shoot at faster shutter speeds in difficult conditions, and the background separation at this aperture and focal length is decisive. ED (Extra-low Dispersion) glass elements control chromatic aberration at the edges of the frame where lesser telephoto designs fall apart, keeping fine detail in high-contrast subjects like feathers, hair, or backlit foliage from showing color fringing.

Internal Focus keeps the physical length of the barrel constant during focusing, which matters when you're tracking a moving subject and don't want the lens shifting balance in your hands. Filters load via a 39mm drop-in slot at the rear, so polarizers and ND filters can be used without front elements the size of a saucer. On Nikon F-mount bodies, this lens pairs with the full range of AF and AI-S compatibility the system offers.

This is a lens built to a professional standard that holds its optical character regardless of the body behind it. For the price of entry into this focal length and aperture class, few options in the F-mount ecosystem match what this lens delivers technically.

Who It's For

Sports and press photographers working under mixed or low ambient light will find the f/2.8 aperture essential for maintaining shutter speeds that freeze action. Wildlife shooters benefit from the Internal Focus design when tracking animals in motion, since the lens responds without the mechanical delay of externally extending barrels. Portrait and editorial photographers working at longer distances get the compression and background separation that 300mm at f/2.8 produces, which a shorter telephoto simply cannot replicate. Photojournalists shooting in stadiums, arenas, or under artificial light lean on this aperture class to avoid pushing ISO into territory where image quality degrades.

Key Features

• 300mm fixed focal length with f/2.8 maximum aperture
• ED Extra-low Dispersion glass controls chromatic aberration
• Internal Focus design maintains constant barrel length
• 39mm drop-in filter slot for polarizers and ND filters
• Autofocus with Nikon F-mount compatibility
• Mechanical focus operation on manual-focus bodies

FAQ

What's the advantage of Internal Focus on a 300mm telephoto?

The barrel length stays constant during focusing, so the lens doesn't shift balance in your hands when tracking a subject. That matters in the field when you're holding a telephoto steady.

Does ED glass really eliminate color fringing?

ED elements significantly reduce chromatic aberration at frame edges where standard telephoto designs show color separation on high-contrast subjects like backlit hair or feathers. It's not zero, but the difference is visible.

Can I use a polarizer on this lens?

Yes. The 39mm drop-in filter slot lets you load polarizers and ND filters without needing giant front elements. Rotate the filter from the rear.

What Nikon bodies does this lens work with?

Any Nikon F-mount body. It supports autofocus on AF bodies and mechanical focus on manual-focus film cameras. The lens has full AF and AI-S compatibility.

Is 300mm f/2.8 the right choice for wildlife?

300mm reaches farther than a 70-200mm zoom but doesn't match a 500mm or 600mm prime. The f/2.8 aperture is better for shutter speed in low light than a 100-400mm zoom at the same focal length. Pick it if your subject distance and light conditions match the focal length and speed.

How does this lens perform on digital bodies?

The optical formula was designed for film and digital alike. No lens corrections or firmware exist because this is a passive mechanical design. Optical character stays the same regardless of the camera body behind it.