Accessories-Lens Hoods

The use of a lens hood is recommended at all times to prevent extraneous light from striking the lens surface and causing flare or ghost, and as an added measure of protection against damage to the lens. Nikon lens hoods come in four types depending on the lens: Screw-In, Snap-On, Slip-On and Builtln. They are calculated precisely for each focal-length Nikkor lens to provide maximum protection against stray light.

To attach or remove the snap-on lens hood, simply depress the buttons on either side of the hood. It will also fit directly over a screw-in filter, so both can be used on a lens at the same time. When not in use, the snapon hood can be reversed for storage on the lens, and the lens and its hood can be stored together in the eveready case.

Accessories-Filters

Nikon filters are made of optical glass, ground and polished so that both surfaces are optically flat and parallel.

Nikkor lenses and Nikon filters are made for each other. For best results, use Nikon filters on Nikkor lenses. Nikon filters are available in both screw-in and series mounts, depending on the type of lens.

Since filters cut down on the light passing through the lens, some increase in exposure time or in lens opening is necessary to compensate for the loss of light. This increase is expressed as a filter factor. For example, if the filter factor is 2, double the exposure time or open up the lens one full stop. Filter factors depend on the light source and type of film. The chart at right shows the filter factors.

No exposure compensation is necessary with the Photomic FTN finder. The built-in meter reads only the light passing through the lens and therefore compensates automatically for loss of light.
 

Type

Designation

Esposure factor

Daylight

Tungsten light

Black-and-white film

Yellow

Light
Medium
Deep

Y44
Y48
Y52

1.5
1.7
2

1
1.2
1.4

Orange

O56

3.5

2

Red

R60

6

5

Green

Light
Deep

X0
X1

2
5

1.7
3.5

Black-and-white and color films

Ultraviolet

L37
L39

1

Polarizing

Polar

2.4

Neutral Density

ND 4X
ND 8X
ND 100X
ND 400X

4

8

10

400

Color film

Skylight

L1A

1

Amber

Light
Deep

A2
A12

1.2
2

Amber

Light
Medium
Deep

B2
B8
B12

1.2
1.6
2.2


Note: If you wish to leave a filter on the lens to protect it against accidental damage, the use of the L37 filter is recommended.

If the lens is pointed toward the sun or toward a very bright light at ni2rkt, it is best to remove any filter, including the L37, since light reflected from the filter surface may form ghost images on the film.

Accessories-Finder Eyecup

The finder eyecup screws directly onto the finder eyepiece to prevent extraneous light from entering the viewfinder.

Accessories-Eyepiece Correction Lenses

Eyepiece correction lenses are designed to permit near-sighted or far-sighted users to view and focus without their glasses. They screw directly into the rear of the viewfinder. Available in nine diopters, -2,-3, - 4,-5, O, +0.5, +1, +2 and +3, each representing the combined dioptry of the lens and the -1 diopter of the finder.







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Modern Classic SLRs Series :
Nikon F - Camera Instruction Manual



Credit: This manual is converted by Mr KH Lye. With permission from Shiro Malaysia.

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