User manual NIKON NIKKOR ED 400MM F/2.8 IF

[. . . ] To remove, press the lens release button on the camera and turn the camera body counterclockwise. FOCUSING Turn the focusing ring until the image in the viewfinder appears sharp and crisp. To compensate for this, turn the lens focusing ring slightly beyond the °° (infinity) position. [. . . ] The slip-in glass filter holder comes mounted with a Nikon L37C filter. Press down on the glass filter holder knob, and turn counterclockwise until the white line on the knob is at a right angle to the axis of the lens. Unscrew the mounted filter and replace with the filter you want to use. Put the holder back, push down on the knob, and turn clockwise to lock. Open the gelatine filter holder plate by pushing on the latch and lifting up. Make sure the filter is unscratched and free from dust and take care that it stays flat. Remove the glass filter holder from the lens and insert the gelatine filter holder. USING LENS HOODS When shooting in bright sunlight, use the lens hoods to prevent stray light from entering your lens. Secure in place by continuing to turn counterclockwise until it locks. 8 Lens construction: 8 elements in 6 groups (plus dustproof glass plate built into front) Picture angle: 6° 10' Distance scale: Graduated in meters and feet from 4m (15 ft. 8 ~ f/22 on both standard and aperture-direct-readout scales Diaphragm: Fully automatic Exposure measurement: Via full-aperture method; meter coupling ridge provided for AI cameras and meter coupling shoe for non-AI cameras Focusing: Nikon Internal Focusing (IF) system Infrared focusing index: Provided Tripod mounting: Built-in tripod mounting collar rotatable through 360° Lens hood: Built-in telescopic screw-out type Extension lens hood: Provided Filters: Slip-in type glass filter holder accepts 52mm dia. 59 Teleconverter TC-201 Teleconverter TC-301 Teleconverter TC-14B 15 LENS CARE • Although you should always keep the lens surfaces clean, rough cleaning must be avoided/ Wipe with a soft, clean cotton cloth moistened with alcohol to remove grease or fingerprints from the lens surfaces. If you use ether in cleaning the lens, a smudge sometimes appears on the surface of a multi-coated lens. If this happens, wipe it again with a cotton cloth moistened with alcohol. [. . . ] F CARACTERISTIQUES Focale: 400mm Ouverture maximale: f/2, 8 Construction optique: 8 elements en 6 groupes (plus une plaque de verre a l'epreuve de la poussiere integree a l'avant) Champ angulaire: 6° 10' Echelle de distances: Graduee en metres et en pieds de 4m a l'infini (°° ) Gamme d'ouvertures: f/2, 8 ~ f/22 sur l'echelle standard et sur l'echelle de lecture dire cte Diaphragme: Auto Mesure de l'exposition: A pleine ouverture; index de couplage photometrique pour boitiers AI et fourchette de couplage photometrique pour boitiers non-AI Mise au point: Procede Nikon de mise au point interne Repere de mise au point en infrarouge: Fourni Fixation du pied: Bague de fixation incorporee orientable Parasoleil: Type telescopique vissant incorpore Allonge de parasoleil: Fournie Filtres: Le support a filtre en verre accepte les filtres vissants de 52mm; le support a filtre gelatine accepte les filtres a gelatine Monture: Baionnette Nikon Dimensions: Env. La serie Nikkor ED consiste en teleobjectifs et super-teleobjectifs pourvus d'elements en verre optique special, fabrique par Nippon Kogaku sous le nom de "verre a dispersion extra-basse (ED)", Bien que ses caracteristiques optiques soient semblables a celles du cristal de calcium fluorite, le verre ED possede un index de refraction plus constant sur une large gamme de temperatures et assure ainsi une mise au point plus precise. 7 ' The first values are for the Kl ring used alone and the second ones for five rings used together. [. . . ]