Nikon Reflex-Nikkor 1000mm f/11 Gebruiksaanwijzing - Pagina 8

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NOMENCLATURE

1. Distance scale index

6. Focusing ring

2. Collar locking screw

7. Lens hood

3. Threaded filter mount

8. Focusing handle

4. Mounting index

9. Distance scale

5. Tripod mounting collar

FOREWORD

The Reflex-Nikkor 1000mm f/11 is a super-telephoto catadioptric-type lens offering

exceptionally compact size that makes for easier, even hand-held shooting. The use of a

mirror construction in this lens makes for the drastically reduced overall length, and

also provides for excellent correction of chromatic aberration (normally high in a lens

of this focal length); chromatic aberration correction afforded by the Reflex-Nikkor is

so great, in fact, that this lens does not require refocusing for infrared photography.

Further enhancing optical performance is the use of NIC (Nikon Integrated Coating)

on air-to-glass surfaces; with NIC, flare and ghost are effectively controlled for out-

standing results. The rear of the lens is fitted with a threaded mount that accepts

Nikon 39mm screw-in filters (five are provided with the lens); this feature is particular-

ly useful for control of exposures via neutral density (ND) filters (the lens has a fixed

aperture) of various densities. Other features of the Reflex-Nikkor 1000mm f/11

include the built-in tripod mounting collar, the slip-out lens hood, and close focusing

to 8m (25 ft).

MOUNTING THE LENS

To mount the lens on the camera, position it in the camera's bayonet mount so that

the mounting index dots on the lens and camera body are aligned. Then, twist the

camera body clockwise until it clicks and locks into place. To remove the lens, press

the camera's lens release button and twist the camera counterclockwise.

MOUNTING ON THE TRIPOD

For maximum picture sharpness and freedom from camera shake, the use of a tripod is

recommended. The Reflex-Nikkor 1000mm f/11 is fitted with a sturdy, fully rotatable

(360°) tripod mounting collar for just such purposes. To attach to the tripod, position

the collar's tripod socket on the tripod screw and tighten. To rotate the lens (with

attached camera) for vertical or horizontal format, loosen the collar locking screw,

rotate the lens to the desired position, and retighten the collar locking screw to secure

the assembly. For precise positioning, click-stop positions are provided at 90° intervals.

FOCUSING

Focusing with the Reflex-Nikkor 1000mm f/11 is particularly easy due to the compact

lens size. And, as a further aid, the focusing ring is provided with two threaded mount-

ing locations for attachment of the focusing handle at the point most convenient for

operation. Simply screw the handle into the ring at the desired location and turn the

ring via the handle until the image appears sharp and crisp in the camera's focusing

screen. It should be noted that the focusing ring can be turned 10° past the normal

infinity position to take into account the coefficients of expansion and contraction.