627:
84:
20:
139:
created second 17.5 mm format film in 1899 in London. The only differences between their and Acres' film was that their film had central perforations, and it could be utilized as a medium for still pictures as well. The Biokam camera, projector, and printer (all in one machine) was produced by
123:
split 35 mm film in half for his Birtac camera-projector in 1898. The film used had a single row of perforations running down the left side of the image, with two perforations per image. Historically, this is considered to be the first piece of motion picture equipment that utilized 17.5 film.
70:
to use existing 35 mm stock more economically. Afterward, this format continued to be used primarily in developing countries such as India, or for projects where usage of regular 35 mm film would have been too expensive.
244:
50:
17.5 mm film was first documented in 1898 with the creation of the Birtac camera, and subsequently went through several different iterations up until the end of
275:
207:
664:
66:
largely took its place in terms of popularity. In addition to original pioneering experiments, 17.5 mm film was used during
241:
91:
688:
268:
589:
657:
141:
575:
561:
683:
554:
261:
505:
355:
650:
446:
438:
132:
161:
605:
529:
395:
337:
39:
248:
185:
634:
626:
136:
677:
515:
582:
481:
67:
51:
489:
403:
379:
371:
323:
309:
285:
598:
547:
387:
344:
330:
316:
293:
253:
120:
59:
35:
31:
568:
302:
63:
19:
473:
411:
430:
236:
188:. Australian Museum Of Motion Picture & Television. 25 July 2014
55:
18:
522:
454:
257:
78:
242:
A Brief
History of Amateur Film Gauges and Related Equipment
638:
95:
539:
504:
465:
422:
363:
354:
292:
237:Tracing 17.5mm practices in Germany in 1902–1908
119:The British-American photographer and inventor
38:, generally created by splitting unperforated
658:
269:
162:"Historic sub-35 mm film formats and cameras"
8:
665:
651:
360:
276:
262:
254:
180:
178:
153:
633:This photography-related article is a
23:A schema of 17.5 mm movie film formats
7:
623:
621:
14:
625:
208:"Birtac 17.5mm Camera/Projector"
82:
212:Science Museum Group Collection
34:for as many of eight types of
1:
186:"17.5 millimeter film format"
637:. You can help Knowledge by
705:
620:
36:motion picture film stock
142:Warwick Trading Company
214:. Science Museum Group
24:
555:Anamorphic widescreen
22:
96:adding missing items
447:Super Panavision 70
439:Ultra Panavision 70
247:2015-09-13 at the
94:; you can help by
25:
689:Photography stubs
646:
645:
615:
614:
606:Shoot and protect
530:Anamorphic format
500:
499:
396:Modern anamorphic
112:
111:
28:17.5 mm film
696:
667:
660:
653:
629:
622:
608:
601:
592:
585:
578:
571:
564:
557:
550:
532:
525:
518:
493:
485:
477:
458:
450:
442:
434:
415:
407:
399:
391:
383:
375:
361:
347:
340:
333:
326:
319:
312:
305:
278:
271:
264:
255:
224:
223:
221:
219:
204:
198:
197:
195:
193:
182:
173:
172:
170:
168:
158:
107:
104:
86:
85:
79:
704:
703:
699:
698:
697:
695:
694:
693:
674:
673:
672:
671:
618:
616:
611:
604:
597:
588:
581:
574:
567:
560:
553:
546:
535:
528:
521:
514:
496:
488:
480:
472:
461:
453:
445:
437:
429:
418:
410:
402:
394:
386:
378:
370:
350:
343:
336:
329:
322:
315:
308:
301:
288:
284:Motion picture
282:
249:Wayback Machine
233:
228:
227:
217:
215:
206:
205:
201:
191:
189:
184:
183:
176:
166:
164:
160:
159:
155:
150:
130:
117:
108:
102:
99:
83:
77:
60:16 mm film
48:
17:
12:
11:
5:
702:
700:
692:
691:
686:
676:
675:
670:
669:
662:
655:
647:
644:
643:
630:
613:
612:
610:
609:
602:
595:
594:
593:
579:
572:
565:
558:
551:
543:
541:
537:
536:
534:
533:
526:
519:
511:
509:
502:
501:
498:
497:
495:
494:
486:
478:
469:
467:
463:
462:
460:
459:
451:
443:
435:
426:
424:
420:
419:
417:
416:
408:
400:
392:
384:
376:
367:
365:
358:
352:
351:
349:
348:
341:
334:
327:
320:
313:
306:
298:
296:
290:
289:
283:
281:
280:
273:
266:
258:
252:
251:
239:
232:
231:External links
229:
226:
225:
199:
174:
152:
151:
149:
146:
137:Alfred Darling
129:
126:
116:
113:
110:
109:
103:September 2022
89:
87:
76:
73:
64:8 mm film
47:
44:
15:
13:
10:
9:
6:
4:
3:
2:
701:
690:
687:
685:
682:
681:
679:
668:
663:
661:
656:
654:
649:
648:
642:
640:
636:
631:
628:
624:
619:
607:
603:
600:
596:
591:
587:
586:
584:
580:
577:
573:
570:
566:
563:
559:
556:
552:
549:
545:
544:
542:
540:Video framing
538:
531:
527:
524:
520:
517:
516:Academy ratio
513:
512:
510:
507:
503:
491:
487:
483:
479:
475:
471:
470:
468:
464:
456:
452:
448:
444:
440:
436:
432:
428:
427:
425:
421:
413:
409:
405:
401:
397:
393:
389:
385:
381:
377:
373:
369:
368:
366:
362:
359:
357:
353:
346:
342:
339:
335:
332:
328:
325:
321:
318:
314:
311:
307:
304:
300:
299:
297:
295:
291:
287:
279:
274:
272:
267:
265:
260:
259:
256:
250:
246:
243:
240:
238:
235:
234:
230:
213:
209:
203:
200:
187:
181:
179:
175:
163:
157:
154:
147:
145:
143:
138:
134:
133:Alfred Wrench
127:
125:
122:
114:
106:
97:
93:
90:This list is
88:
81:
80:
74:
72:
69:
65:
61:
57:
53:
45:
43:
41:
37:
33:
29:
21:
684:Film formats
639:expanding it
632:
617:
583:Pan and scan
506:Aspect ratio
492: (1958)
484: (1958)
482:Kinopanorama
476: (1952)
457: (1970)
433: (1955)
414: (1982)
406: (1960)
398: (1957)
382: (1954)
374: (1953)
356:Film formats
324:17.5 mm
286:film formats
216:. Retrieved
211:
202:
190:. Retrieved
165:. Retrieved
156:
131:
118:
100:
75:Partial list
68:World War II
52:World War II
49:
27:
26:
490:Cinemiracle
404:Techniscope
380:VistaVision
372:CinemaScope
310:9.5 mm
294:Film gauges
678:Categories
599:Open matte
590:Fullscreen
548:Widescreen
388:Technirama
345:70 mm
338:35 mm
331:28 mm
317:16 mm
148:References
121:Birt Acres
92:incomplete
40:35 mm film
32:film gauge
16:Film gauge
576:Windowbox
569:Pillarbox
562:Letterbox
508:standards
466:35 mm × 3
303:8 mm
192:12 August
167:12 August
474:Cinerama
412:Super 35
245:Archived
431:Todd-AO
54:, when
46:History
449:(1959)
441:(1957)
390:(1956)
128:Biokam
115:Birtac
30:was a
423:70 mm
364:35 mm
218:4 May
56:Kodak
635:stub
523:14:9
455:IMAX
220:2020
194:2016
169:2016
140:the
135:and
62:and
98:.
58:'s
680::
210:.
177:^
144:.
42:.
666:e
659:t
652:v
641:.
277:e
270:t
263:v
222:.
196:.
171:.
105:)
101:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
