Nomenclature, Foreword, Mounting the lens – Nikon NIKKOR 13mm f-5.6 User Manual

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1 Distance Scale Index Line

2 Distance Scale

3 Depth-of-Field Scale

4 Aperture Index

5 Meter Coupling Shoe
6 Aperture Ring
7 EE Servo Coupling Post

8 Focusing Ring
9 Infrared Compensation Scale

10 Aperture Scale

n Aperture-Direct-Readout Scale
12 Meter Coupling Ridge

13 Aperture Indexing Post for Nikon

SB-E Speedlight


The Nikkor 13mm f/5.6 is a super-wideangle lens with an optical con­

struction of 16 elements in 12 groups. As this unit is a true wideangle

lens, it reproduces straight lines accurately and without the pronounced

curvature effects common to fisheye lenses. Also, the optics are corrected
for evenness of illumination across the full frame, and employ the Nikon
close focus correction system (the rear elements are "floating”) for optimum

performance at the 0.3m (1 ft) minimum focusing distance. The retrofocus-

type configuration of the lens enables all normal reflex mirror functions for

full thru-the-lens operating convenience. Enhancing the high optical quality
of this lens is Nikon Integrated Coating (NIC) on air-to-glass lens surfaces;
flare and ghost are fully controlled for excellent image contrast and out­
standing color rendition. Included with the lens is a set of four bayonet-

mount filters; to attach a filter to the special mount provided at the rear of

the lens (one filter must always be in place), simply push the filter into the

mount and turn approximately 60° counterclockwise to lock. With its

exceptional depth of field and wide picture angle (118°), the Nikkor 13mm

f/5.6 can be used indoors and outdoors to achieve unusual and dramatic

photographic effects.

The lens offers “automatic maximum aperture indexing” (Al) with suitably-

equipped cameras, via the meter coupling ridge provided. The ridge and the

auto diaphragm function together to permit full aperture exposure measure­

ment; the lens is also fitted with a meter coupling shoe to permit the same
operation with Nikon cameras which lack the Al facility. An "aperture-
direct-readout” scale is engraved on the lens to allow direct reading of the

aperture setting in suitably-equipped camera finders.


Fit the bayonet mount on the camera over the bayonet mount on the lens,

aligning the index on the lens with the mounting index on the camera.

Twist the camera clockwise until it clicks into place.

To remove the lens, press the camera’s lens release button and twist the

camera counterclockwise.

Note: When using the camera with a meter coupling lever (Al type), make sure that the
camera’s meter coupling lever is correctly positioned; when using a camera without this
lever (non-Al type), “manual” maximum aperture indexing is required. In both cases,
refer to the camera’s instruction manual.