Tiêu chuẩn iso 00069 1998

A Reference number ISO 69 1 998(E) INTERNATIONAL STANDARD ISO 69 Third edition 1 998 07 01 Cinematography — 1 6 mm motion picture and magnetic fi lm — Cutting and perforating dimensions Cinématographi[.]

Refere ce n mb r

ISO 6 :19 8(E)

69

Third e itio

19 8-0 -01

Cinématogr aphie — Fims cinématogr aphiq es et mag étiq es

16

Dimen ion de coup et de p rforation

© ISO 19 8

Al r i hts r es r ve Unle s oth r w is s e ifie , n p r t of this p blc tio ma b r epr od c d

or uti z d in a y for m or b a y me n , ele tr onic or me h nic l in lu in p oto o yin a d

micr ofim, with ut p r mis io in w ritin from th p bls e

Inter natio al Org niz tio for Sta d r diz tio

Ca e p stale 5 • C -121 Ge èv e 2 • Switz r l n

Intern t c ntr al@is c

Forew ord

ISO ( he International Organization for Stan ardization) is a w orldw ide

federation of national stan ard b dies (ISO memb r b dies) The w ork of

pre ar i g Inter national Stan ard is nor maly car ried out throu h ISO

tec nical commite s Eac memb r b d interested in a s bject for whic

a tec nical commite has b en esta ls ed has the rig t to b r epresented

on that commite International or ganization , governmental an non

-governmental, in laison w ith ISO, also tak e p r t in the w ork ISO

cola orates closely with the International Electrotec nical Commis ion

(IEC) on al mater s of electr otec nical stan ar dization

Dr af International Stan ar ds ado ted by the tec nical commite s ar e

circ lated to the memb r b dies for votin Publcation as an International

Stan ard req ir es a pr oval by at le st 7 % of the memb r b dies castin

a vote

ISO/TC 3 , Cinematogr aph

This third edition can els an re laces the secon edition (ISO 6 :19 0),

clau es 2, A.2 an A.6 of whic have b en tec nicaly r ev ised

An ex A of this Inter national Stan ar d is for infor mation only

Cinematography — 16 mm motion-picture and magnetic- i m —

This International Stan ard sp cifies the c tin an p r for atin dimen ion for 16 mm motion-picture an mag etic

fims with one or two r ows of p r for ation for the folowin two categor ies:

a) 16 mm motion-pictur e an mag etic fims;

b) man factur er -desig ated 16 mm pr ofes ional motion-pictur e camer a fims with tig ter toler an es

This Inter national Stan ar d a ples to safety r aw stoc fim as des r ib d in ISO 5 3

The folowin stan ard contain pr ovision w hic , throu h referen e in this text, con titute provision of this

International Stan ar d At the time of publcation, the edition in icated w ere vald Al stan ard are s bject to

revision, an p r ties to agre ments b sed on this Inter national Stan ard are en our aged to in estigate the

p s ibi ty of a plyin the most r ecent edition of the stan ar ds in icated b low Memb rs of IEC an ISO maintain

r egister s of c r r ently vald Inter national Stan ar ds

ISO 5 3:19 0, Photogr aph — Photogra hic fims — Sp cification for safety fim

ISO 5 4:19 6, Stan ar d atmospheres for con itionin an /or testin — Sp cification

3.1 T he dimen ion an toler an es s al b as given in ta le 1 an in the ac omp n in fig r es 1 to 4, an a ply

to saf ety r aw stock fim as des r ib d in ISO 5 3 The dimen ion s al a ply at the time of c tin an p rforatin

for fim adju ted to a temp rature of 2 °C ± 1 °C an a r elative h midity of (5 ± 2) %, whic is the r ecommen ed

atmospher e for con itionin an /or testin with r ed ced toler an es sp cified in ISO 5 4

1 I r eq ir ed by usage, th ma ufacturer may in icate oth r atmosp e c co ditio s which a ple to th dime sio al co trol

a d testing at th time of cuting a d p rforating

2 This Inter natio al Sta d r d is b se o v lu s a o te for fim d fin d as “low-shrink age” Se a n x A, cla se A.3 for

d finitio of “low-shrinkage”

3.2 T he dimen ion an toler an es of 16 mm ful-co t mag etic mater ials at the time of c tin an p rforatin

s al b as sp cified by dimen ion B ¢ an L¢ in ta le 1

Fig re 1 — Fim w ith perforation alo g o e e g (Type 1)

Fig re 2 — Fim with perforatio s alo g tw o e g s (Type 2)

Fig re 3 — Detai of perforatio

Fig re 4 — Permis ible alg me t d viatio of th

row s of perforatio s (Type 2)

Al fims

(w ith tig ter tolera c s in b ld type)

*)

*)

E

1

*)

*)

*)

B a d L refer to lo g pitch

*)

B¢ a d L¢ refer to sh rt pitch

NOT S (a plca le to al 16 mm fims)

1 Dime sio s L a d L¢ r epr ese t th le gth of a y 10 co secutiv p rforatio interv ls

2 Dime sio s B¢ a d L¢ (sh rt p rfor atio pitch) ar e pro id d to fulfi th r eq ir eme ts of co tin o s-sprock et printing (se

a n x A, cla se A.4)

3 F is giv n as a r efer ence dime sio a d typicaly re r ese ts ma ufactu ngp nch a d die setu

NOT S(a plca le o ly to fims d sign te by th ma ufacturer for profes io al camera use)

4 In a ditio , th r ange of v lu s me sure in a y 5 co secutiv p r foratio s sh l n t ex e d 0,010 mm (0,0 0 4 in) for

dime sio s B, B ¢, C a d D, a d 0,0 0 mm (0,0 0 8 in) for dime sio E (se a n x A, cla se A.1)

5 In a ditio , th difere ce in dime sio al v lu B a d B ¢ b tw ee a y co secutiv p rforatio interv ls sh l n t ex e d

0,0 5 mm (0,0 0 2 in) Betwe n co secutiv p rforatio s, th difere ce in dime sio al v lu of E sh l n t ex e d

0,010 mm (0,0 0 4 in) (se a n x A, cla se A.1)

4 Identification of reference edge for guiding

4.1 For fim p r for ated alon one ed e, the ed e adjacent to the p r for ation is the r efer en e ed e

4.2 For fim p rforated alon tw o ed es, the r efer en e ed e s al b identified by the w in in of the fim With the

fim w ou d emulsion-in, an the r ol of fim u win in dow nw ard tow ard the o ser ver, the r eferen e ed e is alon

the r i hthan side of the fim (se fig r e 5)

4.3 T he seq ential ed e n mb rs (k ey n mb rs or fo tage n mb rs) ar e exp sed by the fim man facturer alon

the r efer en e ed e of the fim

Fig re 5 — Id ntific tion of refere c e g

Annex A

The u iformity of pitc , hole size an mar gin (dimen ion B or B ¢, C an D , an E) are imp r tant varia les afectin

image ste dines Var iation in these dimen ion w ithin a r ol, fr om one p r for ation to the next, ar e mor e sig ificant

than variation from rol to rol A ctualy, it is the maximum variation from one p r foration to the next w ithin an smal

gr oup of con ec tive p r for ation that is the most imp r tant var ia le

The u er is remin ed that fim dimen ion can c an e d e to moisture, temp ratur e, an strain efect, or, in some

fim-b se mater ials, d e to solvent or plasticizer los These c an es ar e gener aly u ifor m thr ou hout the r ol

L w -s r i k age fim is fim whic s rink s no more than 0,2 % fr om its original dimen ion at the time of c tin an

p r for atin , afer the fim has b en

a) kept in the man factur er ’ nor mal commer cial p ckin for six month at r ecommen ed stor age con ition ;

c) pr oces ed an d ed as r ecommen ed by the man factur er ;

d) stor ed in rol for m, exp sed to air , for a p r iod not to ex e d 3 d at 18 °C to 2 °C an 5 % to 6 % relative

h midity

The fim is me s r ed u der the same con ition of temp r atur e an h midity as defined in 3.1

The c oice of diferent pitc (B: lon pitc an B¢ s ort pitc ), for or i inal an print motion-pictur e fims, de en s on

the neces ity of pr i tin an the typ of pr i ter u ed

In the most common typ of pr i ter, the original an pr i t fims move contin ou ly over a pr i tin spr ock et

Con eq ently, the or i inal fim mu t b s orter in pitc than the print fim in the a pr oximate pr op r tion of the

thick nes of the fim to the radiu of c rvatur e of the printin spr ock et With c r rent printin sprock et desig s, the

value for this pitc difer ential is 0,3 %, w ith exp r ien e s owin that a toler an e of ± 0,1 % is ac e ta le

With “low-s rink age” fim b se, it is common man factu n pr actice to set the aim for the pitc of original fims at a

value of 0,2 % s or ter than that of the fims on w hic they w il b printed The ad itional s r i k age that oc ur s in the

or i inal fim, b cau e of pr oces in an agein b fore printin , s ould r es lt in the desired 0,3 % ± 0,1 % s orter

pitc

It is the common ten en y of the fim to exp n when exp sed to hig r elative h midity Alow an e s ould b made

for this factor in eq ipment desig

In order to ac ieve o timum can elation of dimen ional varia les, it is prefera le that eq ipment (e.g cameras,

printers, telecines an projector s) p sition the fim later aly u in the referen e ed e Optimum vertical ste dines

res lts w hen the same p rfor ation (with resp ct to the image) is u ed for ver tical p sitionin in al eq ipment, an

the + p r for ation is recommen ed as s own in fig re A.1 (se ISO 2 :19 4, Cinematogra h — Camera u age of

16 mm motion-pictur e fim — Sp cification )

ICS 3 0 0.2