APO EL Nikkor 105mm F5.6 Lens Collection

Collector's Guide

If you have all of the following, your lens collection is complete.

APO EL Nikkor 105mm F5.6 Lens Collection

APO EL Nikkor 105mm F5.6 and Matching Box

Singned by Mr. I. Mori

The Back Side of the Inspection Card

Size comparison of Old type (Left) to New type (Right)
Photo: Copyright (c) 2020, martini038/flickr, All Rights Reserved.

35.5mm Filter

The filter size of the APO EL Nikkor 105mm F5.6N lens is 35.5 mm (P=0.5). This is a rare filter size for Nikkor lenses. I bought a step-up ring 35.5 mm to 40.5 mm. It is important that the filter thread pitch is 0.5 mm.

35.5 mm - 40.5 mm Step-Up Ring

Reversing the Lens

All APO EL Nikkor lenses can be attached with the front mount facing the camera. Remove the ornamental front ring and screw the lens into your camera.

If you unscrew the ornamental front ring of the APO EL Nikkor 105mm F5.6N lens, you'll find the Leica L39 screw mount. Now you can reverse the lens and mount it on your camera.

Reversing the Lens

Reversed APO EL Nikkor 105mm F5.6N

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Chapter 0      Top Page
Chapter 1      Encounter with the Lens
Chapter 2      Nikon Z Album
Chapter 3      APO EL Nikkor Technology
Chapter 4      Collector's Guide
Chapter 5      APO EL Nikkor Gallery