NOMENCLATURE
1Built-intelescopiclenshood10
2Presetringalignmentindex11
3Presetringlockingscrew12
4Tripodcollarlockingscrew13
5Tripodcollaralignmentindexes14
6Insertion-typefilterholder15
7Built-inrotatabletripodmountingcollar16
8Shoulderstrapeyelet17
9Focusingring
FOREWORD
Belongingtoa newgenerationofsuper-telephotolenses,theNikkorED800mmf/8IF
offersunparalleledimagequalityandhandling
ease,
plusautomaticdiaphragmoperation.
TheuseofExtra-lowDispersion(ED)glassinthelensdesigndrasticallyreduceschro-
maticaberration(i.e.,theinabilityofa lenstobringallwavelengthsofvisiblelight,
especiallyredandblue,intothesameplaneoffocus).Theresultisimagesthatare
crispandvirtuallyfreeof"colorfringing"evenwhenthelensisusedwideopenatits
maximumaperture.
NikonIntegratedCoating(NIC)isappliedtothesurfacesoflenselementstoreduce
flareandimprovecontrastandcolorrendition.
Forimprovedhandling,thislensutilizesNikon'sInternalFocusing(IF)system,in
whichthelenselementsaremovedinternally.Withoutthetraditionalfocusinghelicoid,
thereisnoincreaseintheoveralllengthofthelensasit'sfocusedcloser;thus,itis
mucheasiertohand-hold.Inaddition,thelensislighterandmorecompactthanpre-
viousmodelsatthesamefocallength.Otherconvenientfeaturesincludea built-in
telescopiclenshood,built-intripodmountingcollar,presettablefocusingringfor
rapidrefocusingtoa certaindistance,andfullaperturethrough-the-lensmeteringwith
Al-typeNikonandNikkormatcameras*.
TheED800mmf/8IFhasspecialinsertion-typefilterholdersacceptingeither39mm
screw-inorgelatinefilters-thesametypeusedwiththeReflex-Nikkor500mmf/8and
1000mmf/11.Becauseofitslongfocallength,thislensisperfectlysuitedfora wide
varietyofsituations,includingphotojournalism,sportsandwildlifephotography,as
wellastakingpicturesofthesunandmoon
itself.
*Whenusingthislenswithnon-AIcameras,exposureshouldbemeasuredbythe
stop-downmethod.(Fordetails,refertoyourcamera'sinstructionmanual.)
MOUNTINGONA TRIPOD
Formaximumpicturesharpnessandfreedomfromcamerashake,theuseofa tripod
isrecommendedatalltimes.TheNikkorED800mmf/8IFisincorporatedwitha
sturdy,fullrotatable(360°)built-intripodmountingcollarforjustsuchpurposes.
Toattachtothetripod,positionthecollartripodsocketonthetripodscrewand
tighten.Torotatethelens(withattachedcamera)forverticalorhorizontalformat,
loosenthecollarlockingscrew,rotatethelenstothedesiredposition,andretighten
thelockingscrewtosecuretheassembly.Forconveniencewhilepositioning,index
marksareprovidedat90°intervalsaroundthetripodcollar.
PRESETFOCUSINGB
Thefocusingringisfittedwitha specialringforusewhenrapidrefocusingtoa specific
objectdistanceisdesired;theclick-stopactionoftheringenablesoperation"bytouch"
forgreaterspeed.Topresetthelens,loosenthepresetringlockingscrew,rotatethe
focusingringasfarasitwillgoineitherdirection,turnthefocusingringbacktothe
Distancescale
Distancescaleindex
Apertureindexdot
ApertureindexingpostforNikonSB-ESpeedlight
Metercouplingridge
Aperturc-direct-rcadoutscale
Aperturering
Aperturescale
10