Nikon AF Micro-NIKKOR 105mm f/2.8D

Nikon AF NIKKOR Micro 105mm f/2.8D

Lens Summary

Brand: Nikon

Also Known As: Nikon 105mm f/2.8D

Lens Type: Prime Lens

Format: Full Frame / FX

Focus: Autofocus

Lens Mount: Nikon F

Release Date: 1990-01-01

MSRP Price: N/A

Made in: Japan

Production Status: Discontinued

Lens Description: Medium telephoto lens for close-up and nature photography.


Nikon AF Micro-NIKKOR 105mm f/2.8D Specifications

Lens Specifications
Lens TypePrime Lens
Focal Length105mm
Mount TypeNikon F
FormatFull Frame / FX
Compatible Format(s)35mm SLR
Compatible with TeleconvertersNo
Maximum Reproduction Ratio1:1
Vibration Reduction (Image Stabilization)No
Aperture Information
Aperture RingYes
Maximim Aperturef/2.8
Minimum Aperturef/32
Maximum Angle of View (Full frame or larger format)23°
Optical Information
Lens Elements9
Lens Groups8
Diaphragm Blades7
Focus Information
FocusAutofocus
Built-in Focus MotorYes
Minimum Focus Distance0.31m
Filter Information
Filter Size52mm
Accepts Filter TypeScrew-on
Physical Characteristics
Weather / Dust SealingNo
Mount MaterialMetal
Dimensions75×104.5mm
Weight560g
Other Information
Available in ColorsBlack

Lens Construction

Nikkor AF Micro 105mm f/2.8D  Lens Construction

MTF Chart

Nikkor AF Micro 105mm f/2.8D MTF Chart

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Paul Ogren

All macro lenses (with a few exceptions, like the compensating 55mm f3.5 Micro Nikkor of long ago) stop down as they are focused closer. I think they were bigger and heavier than a 55 f3.5. But they were designed for manual exposure calculations before TTL metering.

Think of the amount of light that would reach you looking down a long hallway with a window at one end. If you could “focus closer” by extending the hallway with the same window, there would be less light reaching you. NIkon is really good at showing this effect in the display on its cameras.

And I don’t think this is altered by internal focus.

SCOTT QUITADAMO

Probably won’t be seen by the OP, but for anyone else who experiences the above question/phenomenon…
the f/stop limitations pertain to the distance the lens is from the subject. f/2.8 is possible only at certain focal distances. The lens adjusts the f/stop based on the distance.

h.amer

My new 105mm VR macro F stop odd behavior, defective?

In A or M mode, the F stop keeps changing by itself as the lens auto focus on shutter half press. Another problem is, I cannot set aperture to F2.8 most of the time. As I turn the main dial, aperture just stuck at F3, F3.2, F3.3 or F4 and refuse to go farther towards F2.8.

SCOTT QUITADAMO

Probably won’t be seen by the OP, but for anyone else who experiences the above question/phenomenon…
the f/stop limitations pertain to the distance the lens is from the subject. f/2.8 is possible only at certain focal distances. The lens adjusts the f/stop based on the distance.