Amateur Photographer - UK 2019-11-15)

(Antfer) #1

subscribe 0330 333 1113I http://www.amateurphotographer.co.ukI 9 November 2019 57


Above:A WrayStereo
Graphic:thestartingpointfor
the panoramic conversion

Right:Leslie
Thomsonusinga
16mmcinecamera
equippedwithone
ofhishome-built
stereo accessories

Astereopairfrom
theStereoGraphic.
Thedottedframe
showshowthe
twinimageswere
convertedto
makea singlea
panoramic format

downtof/16,withthesettingsindicated
byweatherconditionsthatappearedin
a smallwindowonthefrontof thebody.
Thefocusof eachlenswasfixedat a
differentdistance.Combinedwiththe
deepdepthof fieldfromthe35mm
wideanglelenses,thismeantat least
oneof thetwolenseswasin focus
between4ftandinfinity.

Theconversion
Toobtaina panoramicimageformat,
thesolidspacerbetweenthefilmgates
wasremoved.Witheachimage
measuring24x24mmandthespace
betweenthembeing47mm,thatadded
uptoa totalimagesizeacrossthefilm
planeof 24x95mm,theequivalentof
justoverof 2.5normal35mmframes.
TheoriginalWraylenseswerenot
suitableforthisformat.In theirplace,a
Schneider-KreuznachAngulon90mm
f/6.8lenswaschosen.In thedayswhen
photographersusedlarge-formatfilms
and plates, these lenses were much

favouredforuseaswideangleopticson
5x4incameras.Theywereknownfor
theirsharpness,containingsixelements
in twogroupsthatgavean80°angleof
viewwithanimagecircleof 152mm–
idealfora wideangleimageonthe
95mmwideformat.
Thelenswasfixedtoa box-shaped
extensionfittedtothefrontof thebody
andcolouredtomatchtheoriginaldark
greenWraycamera.Positioned90mm
fromthefilmplane,thelens’sfocuswas
fixedat infinity,butin thelidof the
camera’sspeciallymadeoutfit case,
thereweretwoclose-uplenses.Fitted
totheAngulon,theyadjustedfocusfor
8-20ftand16-40ft.
TheWraycamera’sshutterwasin the
body,buttheAngulonlenswas
containedin itsownSynchro-Compur
shutter,speeded1-1/500sec.Sothe
Wray’soriginalshutterreleaseon
the top of the body went out, as

communicationsreceiverfroma World
WarII Lancasterbomber,’herecalls.
‘Dadalsobuiltourfirsttelevisionin time
fortheQueen’sCoronationin 1953.’It
waswiththisbackgroundthatLeslie
builttheunusualpanoramiccamerayou
seehere– a beautifullycraftedpieceof
photographicengineeringbya man
who,professionally,wasneithera
photographernoranengineer.


Anunusualstereocamera
Thestartingpointwasa WrayStereo
Graphic,anEnglishcameramadein
1959 bytheWrayfactoryin Kentunder
licencefromGraflexin Americaon
whosecamerait wasbased.TheEnglish
versiondifferedin itsuseof Wraylenses
in placeof Graflex’sGraflaroptics.The
cameraproduced 15 stereopairsona
20-exposurefilmor 28 pairsona
36-exposurefilm.Theshutteroffered
aninstantaneous1/50secanda ‘B’
setting,adjustedona collararoundthe
shutter release. Apertures stopped


Left:Topplateofthecamera
showingtheframecounterandhow
thereleaseontherimofthelenswas
convertedformoreconvenientuse
closer to the rear of the body

COURTESY OF DOUGLAS THOMSON

Above:TheEssex
marshesat
Tollesburythrough
thelensofthe
panoramic camera
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