Knowledge (XXG)

Canon T70

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416: 428: 249: 228: 29: 404: 219:(BR-1225 or CR-1220) was used to store user settings such as current exposure count and ISO setting; the batteries lasted for about five years, and had to be replaced by a technician, since replacing them required partial dismantling of the camera body and desoldering the battery from a flexible circuit board. The camera will still operate without issue if the battery has failed. 164: 389:, Everett Ortner said that the T70 "could be...too good for amateurs. It is certainly far removed from those other technological wonders designed for amateurs". He praised the high degree of control, coupled with automation, that the T70 allows photographers to use, reducing "the role of the camera from that of master to servant." 197:, took them further, and applied them to a more sophisticated camera. While the Program AE-only T50 was intended as a beginner's camera, the T70 gave the photographer a lot more control over the camera's operation while keeping the T-series philosophy of simplicity in control and operation intact. 239:
mounted on the top of the right-hand side of the camera as a major component of its user interface. Two buttons above the display labeled 'UP' and 'DOWN' adjusted the selected parameter and the results were shown on the LCD. Buttons on the left-hand top of the camera selected the parameter to be
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was the standard metering method, averaging over the whole frame with a slight preference towards the center of the frame, where the main subject is most likely to be. With strongly backlit scenes, or ones where the subject is spotlit against a dark background, center-weighted averaging produces
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All film transport on the T70 was powered—loading, advance and rewind. The continuous shooting rate, at 0.7 frames per second, was slower than rival motor drives, but the drive was nonetheless faster than most people could manually wind. To load the camera, the photographer simply had to pull the
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supported date and data imprinting as well as time exposures, to take a photograph at a programmed time, and to take time-lapse photos at programmed intervals. The shutter of the T70 was not battery dependent during bulb exposures, and was one reason why the command back could support timed
292:, which metered only the center 11% of the frame. The metering mode was selected by a sliding switch on the top left-hand side of the camera (from the photographer's perspective). This switch also selected 211:
film leader out to an orange mark and close the back—the camera did the rest, loading the leader onto the spool, and advancing to the first frame automatically. All powered camera functions drew on two
1210: 547: 427: 323:. Here, the camera is biased towards choosing wider apertures for narrow depth of field and fast shutter speeds, most useful with telephoto lenses. 1203: 1170: 361:
attachments such as extension tubes and bellows, and for using non-Canon lenses with an adaptor. Cannot be selected with an FD lens attached.
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When it was introduced, the Canon T70 was considered technologically advanced compared to other SLR cameras. Reviewing the camera in
317:. Here, the camera is biased towards choosing narrow apertures for greater depth of field, most often useful with wide-angle lenses. 1196: 273: 1174: 533: 311:(autoexposure). In this standard mode, the camera judges the shutter speed and aperture for average photographic scenes. 518: 415: 1779: 1222: 559: 182: 288: 236: 96: 1740: 1640: 1706: 1610: 1604: 1592: 1586: 1580: 403: 1652: 1521: 1333: 1284: 1273: 556: 115: 1676: 1457: 1267: 1231: 1002: 60: 1628: 1322: 1259: 358: 152: 257: 102: 1188: 1694: 1616: 1369: 1239: 1144: 916: 385: 216: 47: 506: 458: 1718: 1700: 1664: 1474: 1425: 1342: 1160: 1152: 1140: 1132: 329:. Here, the user selects the shutter speed and the camera chooses the correct aperture. 190: 248: 227: 1773: 1712: 1682: 1646: 1622: 1574: 1568: 1410: 898: 881: 279: 1735: 1688: 1658: 1598: 1554: 1548: 1542: 1316: 1304: 283: 212: 1670: 1634: 1536: 1310: 1463: 1451: 1439: 1433: 1404: 1219: 1096: 1053: 1044: 997: 293: 268: 186: 163: 525: 1506: 1500: 1494: 1482: 1445: 1398: 1375: 1363: 1357: 1118: 1113: 1058: 1031: 992: 987: 923: 893: 888: 876: 867: 264: 194: 132: 28: 1381: 1298: 1292: 1089: 354: 179: 176: 120: 57: 513: 335:. This is designed to work with the Speedlite 277T dedicated flash unit. 261: 357:
lenses that do not support open-aperture metering. Also for use with
247: 226: 162: 347:. Here, the photographer chooses both aperture and shutter speed. 142: 1192: 529: 304:
The T70 supported eight different exposure modes. These were:
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Bottom of the T70, with battery compartment and tripod socket
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Everett H., Ortner (June 1984). "'New vision' Canon T70".
193:. The T70 started with the concepts explored in 1983's 341:. For flash exposures with non-dedicated flash units. 1728: 1529: 1520: 1473: 1424: 1391: 1350: 1341: 1332: 1283: 1258: 1230: 151: 141: 131: 126: 114: 109: 95: 90: 82: 77: 66: 53: 43: 38: 73: (equivalent to ¥83,644 in 2019), body only 1204: 541: 453: 451: 8: 21: 1526: 1347: 1338: 1211: 1197: 1189: 569: 548: 534: 526: 185:introduced in April 1984 as the second in 27: 20: 447: 399: 882:New F-1 High Speed Motor Drive Camera 871: 836: 375:exposures of several hours duration. 7: 510:. From Canon's online Camera Museum. 14: 877:F-1 High Speed Motor Drive Camera 426: 414: 402: 274:Center-weighted average metering 256:The T70 included two different 252:Switch to select metering mode. 1225:cameras and lens mounts (film) 296:mode and had a Lock position. 260:metering methods; both used a 1: 522:. Retrieved 20 October 2005. 1171:Early Canon film SLR cameras 1796: 1112: 1052: 1001: 996: 991: 986: 971: 922: 915: 897: 892: 887: 880: 875: 866: 1759:Canon EOS digital cameras 1753: 1564: 1179:Canon EOS digital cameras 1124: 1122: 1117: 1108: 1106: 1104: 1102: 1100: 1095: 1093: 1088: 1086: 1084: 1082: 1080: 1076: 1074: 1072: 1070: 1068: 1066: 1064: 1062: 1057: 1048: 1043: 1039: 1037: 1035: 1030: 1028: 1026: 1024: 1022: 1018: 1016: 1014: 1012: 1010: 1008: 1006: 982: 980: 978: 976: 967: 965: 963: 961: 959: 957: 955: 953: 951: 949: 947: 945: 943: 939: 937: 935: 933: 931: 929: 927: 913: 911: 909: 904: 864: 862: 860: 858: 856: 854: 852: 850: 848: 846: 844: 842: 840: 838: 831: 640: 637: 634: 631: 628: 625: 622: 619: 616: 613: 610: 607: 604: 601: 598: 595: 592: 589: 586: 583: 580: 577: 574: 572: 567: 183:single-lens reflex camera 147:580 g (1.28 lb) 26: 894:F-1N / F-1 (Later Model) 215:in the grip. A built-in 167:The front of the camera. 105:and Program autoexposure 514:Photography in Malaysia 289:selective area metering 1245:Canonflex R2000 (1960) 1175:Canon EOS film cameras 253: 232: 231:Top, showing controls. 168: 353:. For use with older 251: 230: 166: 137:89 x 151 x 48 mm 1251:Canonflex RM (1962) 1248:Canonflex RP (1961) 463:Canon Camera Museum 339:Electronic flash AE 333:Programmed flash AE 327:Shutter-priority AE 23: 254: 233: 169: 1767: 1766: 1749: 1748: 1516: 1515: 1420: 1419: 1186: 1185: 1128: 1127: 359:macro photography 267:housed above the 161: 160: 91:Exposure/metering 1787: 1780:Canon FD cameras 1635:EOS 5/5QD/A2/A2e 1527: 1348: 1339: 1213: 1206: 1199: 1190: 1164: 1156: 1148: 1136: 570: 550: 543: 536: 527: 519:Canon T70 Camera 493: 492: 480: 474: 473: 471: 469: 455: 430: 421:Shutter curtains 418: 406: 258:through-the-lens 235:The T70 used an 103:Shutter Priority 72: 31: 24: 1795: 1794: 1790: 1789: 1788: 1786: 1785: 1784: 1770: 1769: 1768: 1763: 1745: 1724: 1560: 1512: 1469: 1416: 1387: 1328: 1279: 1254: 1226: 1217: 1187: 1182: 1158: 1150: 1145:pellicle mirror 1138: 1130: 563: 554: 502: 497: 496: 485:Popular Science 482: 481: 477: 467: 465: 457: 456: 449: 444: 439: 438: 437: 434: 431: 422: 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337: 334: 331: 328: 325: 322: 319: 316: 313: 310: 307: 306: 305: 299: 297: 295: 291: 290: 285: 281: 280:underexposure 276: 275: 270: 266: 263: 259: 250: 243: 241: 238: 229: 222: 220: 218: 214: 205: 200: 198: 196: 192: 188: 184: 181: 178: 174: 165: 156: 154: 150: 146: 144: 140: 136: 134: 130: 125: 122: 119: 117: 113: 108: 104: 100: 98: 94: 89: 85: 81: 76: 69: 65: 62: 59: 56: 52: 49: 46: 42: 37: 33:The Canon T70 30: 25: 16: 1488: 1458:AE-1 Program 1392:Professional 1167: 1166: 1129: 1003:AE-1 Program 972: 905: 833:Professional 832: 517: 505: 488: 484: 478: 466:. Retrieved 462: 384: 382: 371: 370:A dedicated 369: 350: 344: 338: 332: 326: 320: 314: 308: 303: 287: 284:overexposure 272: 255: 234: 213:AA batteries 209: 172: 170: 18:Camera model 15: 1741:EOS IX Lite 491:(6): 28–32. 67:Intro price 1757:See also: 1695:EOS 3000N 1641:EOS 1000FN 442:References 309:Program AE 294:self-timer 271:eyepiece. 269:viewfinder 240:modified. 133:Dimensions 1707:EOS 3000V 1617:EOS 1000F 1611:EOS 10sQD 1605:EOS 700QD 1593:EOS 630QD 1587:EOS 850QD 1581:EOS 750QD 1549:EOS-1N RS 1317:Pellix QL 1240:Canonflex 1168:See also: 507:Canon T70 468:14 August 379:Reception 366:Data back 265:photocell 173:Canon T70 22:Canon T70 1774:Category 1719:EOS 300X 1701:EOS 300V 1665:EOS 500N 1141:F series 562:timeline 560:film SLR 557:Canon FD 516:(2000). 355:FL-mount 244:Metering 223:Controls 191:T series 180:FD-mount 121:Hot shoe 101:Manual, 97:Exposure 78:Focusing 39:Overview 1713:EOS 30V 1683:EOS 300 1653:EOS 888 1647:EOS 500 1623:EOS 100 1575:EOS 620 1569:EOS 650 1411:New F-1 1351:Amateur 1274:EX AUTO 906:Amateur 899:New F-1 393:Gallery 262:silicon 153:Made in 127:General 71:¥69,000 1736:EOS IX 1721:(2004) 1715:(2004) 1709:(2003) 1703:(2002) 1697:(2002) 1691:(2000) 1689:EOS 30 1685:(1999) 1679:(1999) 1677:EOS 88 1673:(1998) 1667:(1996) 1661:(1995) 1659:EOS 50 1655:(1993) 1649:(1993) 1643:(1992) 1637:(1992) 1631:(1991) 1625:(1991) 1619:(1990) 1613:(1990) 1607:(1989) 1601:(1989) 1599:EOS RT 1595:(1989) 1589:(1988) 1583:(1988) 1577:(1987) 1571:(1987) 1557:(2000) 1555:EOS-1V 1551:(1995) 1545:(1994) 1543:EOS-1N 1539:(1989) 1509:(1990) 1503:(1986) 1497:(1985) 1491:(1984) 1485:(1983) 1466:(1982) 1460:(1981) 1454:(1979) 1448:(1978) 1442:(1977) 1436:(1976) 1413:(1981) 1407:(1976) 1401:(1971) 1384:(1975) 1378:(1974) 1372:(1973) 1366:(1973) 1360:(1971) 1325:(1968) 1319:(1966) 1313:(1966) 1307:(1965) 1305:Pellix 1301:(1964) 1295:(1964) 1276:(1972) 1270:(1969) 1242:(1959) 1163:  1159:  1155:  1151:  1147:  1139:  1135:  1131:  345:Manual 175:was a 143:Weight 86:Manual 1671:EOS-3 1537:EOS-1 1311:FT QL 1268:EX EE 1220:Canon 1143:with 993:FTb-N 641:1993 638:1992 635:1991 632:1990 629:1989 626:1988 623:1987 620:1986 617:1985 614:1984 611:1983 608:1982 605:1981 602:1980 599:1979 596:1978 593:1977 590:1976 587:1975 584:1974 581:1973 578:1972 575:1971 459:"T70" 206:Power 187:Canon 157:Japan 116:Flash 110:Flash 83:Focus 58:35 mm 48:Canon 44:Maker 1629:EF-M 1464:AL-1 1452:AV-1 1440:AT-1 1434:AE-1 1405:F-1n 1364:FTbn 1097:AT-1 1054:AL-1 1045:AV-1 998:AE-1 470:2021 177:35mm 171:The 54:Type 1507:T60 1501:T90 1495:T80 1489:T70 1483:T50 1446:A-1 1399:F-1 1376:TLb 1358:FTb 1223:SLR 1119:T60 1114:T50 1059:T80 1032:TLb 988:FTb 973:T70 924:A-1 889:F-1 868:T90 489:224 282:or 237:LCD 195:T50 189:'s 61:SLR 1776:: 1729:IX 1522:EF 1382:TX 1370:EF 1334:FD 1323:TL 1299:FP 1293:FX 1285:FL 1260:EX 1177:| 1173:| 1157:| 1149:| 1137:| 1090:TX 917:EF 487:. 461:. 450:^ 1530:1 1475:T 1426:A 1343:F 1232:R 1212:e 1205:t 1198:v 549:e 542:t 535:v 472:.

Index

A single-lens reflex camera.
Canon
35 mm
SLR
Exposure
Shutter Priority
Flash
Hot shoe
Dimensions
Weight
Made in

35mm
FD-mount
single-lens reflex camera
Canon
T series
T50
AA batteries
lithium battery

LCD

through-the-lens
silicon
photocell
viewfinder
Center-weighted average metering
underexposure
overexposure

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