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Designed for general-purpose , the normal or standard lens has its almost equal to the diagonal of the 35mm , e.g., a focal length of about 50mm or 2 inches is considered to be the standard. This means that the normal lenses have a picture angle of about 45° , which is said to approximate the of the human eye to produce natura perspectives in a picture. The Nikkor normal lenses provide high speed, excellent resolution and rend ition. I n focal length and , they are placed between wideangle and telephoto lenses. Three Nikkor normal lenses are available for the : two 50mm lenses, one with an of f/1.4 and the other f/2 plus a 55mm f/1.2Iens. The 55mm f/3.5 Micro-Nikkor-P Auto-designed primarily for close-up work-and the 45mm f/2.8 GN Auto Nikkor for photography often double as normal lenses, having more or less standard focal lengths.

L-25 50mm f/1.4 Nikkor-S Auto Code No. 108·00-104

With an f/1.4 aperture, this lens has enjoyed world­ Focal length: 50mm wide renown as the "standard" standard lens in Maximum aperture: 1 : 1.4 Lens construction: 7 elements in 5 groups 35mm photography. Picture angle: 460 Without flash, the lens demonstrates its worth under Distance scale: Graduated both in meters and feet up to extremely poor conditions as well as in available 0.6m and 2ft Aperture scale: f/1.4-f/16 I ight situations. Aperture diaphragm: Fully automatic The f/1.4 aperture provides an all-around bright Meter coupling prong: Integrated (fully open metering) image in the viewfinder. Focusing is easy and accurate Attachment size: 52mm (P=0.75) Filter: 52mm screw-in as the lens has shallow depth of field, and the Dimensions: 67mm dia. X 56.5mm length displacement of focus resulting from (2-5/8 in. X 2-7132 in.) of the diaphragm is virtually eliminated. Weight: 325g (11.50z) At full f/1.4 aperture, a slight flare may be detected Accessories: 52mm snap-on front cap (108- 00-400), rear cap type F (108-00-401), but at f/2.8 or smaller, the flare completely disappears. 52mm screw-in (108- 00- 203) or This compact, well-designed lens is an outstanding snap-on (108-00- 201) lens hood, general-purpose lens for portraiture, landscape and leather case (108-00-303), plastic case type S (108- 00-300), indoor . flexible pouch No. 51 (108- 00- 302)

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March, 1972 L-27 50mm f/2 Nikkor-H Auto Code No. 108-00-105

This is the most versatile of all Nikkor interchangeable Focal length: 50mm Maximum aperture: 1 : 2 lenses. Consisting of 6 elements in 4 groups, it weighs Lens construction: 6 elements in 4 groups only 205 grams. Aberrations are corrected to the Picture angle: 46° highest degree. Even at full aperture, flares are Distance scale : Graduated both in meters and feet up to negligible. The lens has very high resolution and 0.6m and 2ft Aperture sca le: f/2 - f/16 outstanding color rendition. Aperture diaphragm: Fully automatic Besides being an ideal general-purpose lens, it is Meter coupling prong: Integrated (fully open exposure metering) useful in close-ups utilizing a variety of attachments Attachment size: 52mm (P= 0.75) Filter: 52mm screw-in and accessories. Dimensions: 64.5mm dia. X 48mm length (2-17/32 in. X 1-7/8 in.) Weight: 205g (7.20z) Accessories: 52mm snap-on front cap (108- 00- 400) , rear cap type F (108-00- 401), 52mm screw-in (108-00-203) or snap-on (108- 00-202) lens hood, leather case (108- 00- 305), plastic case type S (108-00- 300), flexible pouch No. 51 (108-00- 302)

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L-28 Nikon / Nikkormat Sales Manual 55mm f/1.2 Nikkor-S Auto Code No. 108-00-103

Featuring an f / 1.2 aperture, this is the brightest Focal length: 55mm among Nikkor Auto lenses. It incorporates the time­ Maximum aperture: 1 : 1.2 Len s construction: 7 elements in 5 groups honored high resolution characteristic of Nikkor Picture angle: 43° lenses. Distance scale: Graduated both in meters and feet up to Despite its large aperture, aberrations are corrected 0.6m and 2ft Aperture scale: f/l.2-f/16 to the highest degree. Flares 'are minimized to give Aperture diaphragm: Fully automatic a sharp image of outstanding contrast at full lens Meter coupling prong: Integrated (fu Ily open exposure meter ing) opening. Attachment size: 52mm (P=0.75) Thanks to the bright viewfinder image and shallow Filter: 52mm screw-in Dimensions: 73.5mm dia. X 58.5mm length depth of field, focusing is rapid and precise. (2-29/32 in. x 2-9/32 in.) Besides general photography, this lens is highly useful Weight: 420g (14.80z) for indoor and outdoor without Accessories: 52mm snap-on front cap (108-00- 400), rear cap ty pe F (108-00-401), flash. 52mm screw-in (108-00-204) or snap-on (108- 00- 200) lens hood, leather case (108-01 - 307), plastic case type S (108- 00-300), flex ible pouch No. 51 (108-00- 302)

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March, 1972 L-29