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Bulb (photography)

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came with a detachable pneumatic shutter release with a rubber bulb on the end; "Bulb" refers to the rubber shutter release bulb. Though mechanically timed exposures could also be triggered by squeezing the shutter release bulb, "Bulb" exposures then had the same momentary action as camera shutters
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sold entry level consumer cameras that did not have the option of a pneumatic shutter release. Though Kodak retained the convention of using "B” on shutters to denote the setting that provides momentary actuation, they referred to it as "Brief Time" in brochures for cameras like their
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is named for the bulb on detachable rubber pneumatic shutter releases that came with early cameras. With shutters set to "B", the pneumatic release kept the shutter open for as long as the photographer squeezed the bulb—a "Bulb"
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With the indicator set to B, the shutter opens when the bulb is pressed and remains open as long as the pressure is maintained (“bulb” exposure), a very convenient means of making time exposures of only a few seconds’
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Circa 1894 page showing a camera with an "indiarubber ball" and a "time exposure" mode that works like what came to be called "bulb". Suggests that the "bulb" terminology had not yet been introduced.
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the exposure in order to allow the photographer to inspect the exposure while it "develops". The display refresh rate for this mode can be configured between 0.5 s and 60 s.
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Photo shot with a Bulb exposure. The movement of the clouds, crossing arms and passing train register as streaks rather than sharp images, unlike the stationary objects in the frame.
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1898 Bausch & Lomb ad showing a shutter with B setting; the explanation displayed "bulb exposure" in quotation marks and explained it in detail, since the term was still novel.
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Another term for a brief exposure—in which the shutter remains open only so long as the shutter release is held down. The word originated with the early pneumatic shutter release.
61:) setting, which is an alternate-action mode where the shutter opens when the shutter-release button is pressed and released once, and closes when the button is actuated again. 182:. The cable releases generally include a locking feature to eliminate the need to keep the button or plunger depressed during extremely long exposures. 518: 348: 324: 484: 364: 443: 416: 274:
introduced a new form of bulb mode with their "Live Bulb" (without toggle) and "Live Time" (with toggle) settings in their
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will stay open as long as the shutter release button (or shutter release cable or remote) remains depressed.
487:[Odd discovery: "BULB" supported in shutter priority mode on Minolta 9000 / 7000 / 8000i / 7000i]. 179: 96: 50: 53:
as a photographer depresses the shutter-release button. The Bulb setting is distinct from shutter's
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SP-560UZ have a 'limited' bulb setting, allowing time exposures up to 8 minutes and at an
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Around 1894 in Germany, the momentary-action setting on camera shutters made by
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The bulb setting is useful for the following types of photographic subjects:
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When set to bulb, generally on the "M" or manual setting of the camera, the
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This 30-second exposure shows the flight trails of several insects around a
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On some modern cameras, bulb is a mode available as an option on the
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digital camera, where the viewfinder and display gets updated
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have today, as per this description from Sears Roebuck's 1909
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were denoted with "B" but the literature referred to it as
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menu only, if possible at all. On others, including many
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slower than the minimum offered by the camera otherwise.
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The bulb setting is used on some cameras, including some
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streets at night (creating streaks from moving cars)
438:(2 ed.). Allworth Communications. p. 15. 394: 537: 330:A more modern (circa 1950) camera cable release. 506: 237:cameras, bulb is typically available from the 400: 401:Stroebel, Leslie; Zakia, Richard D. (1995). 370:A cable shutter release on a Pentax K1000 SE 133:Newnes Photographers' Pocket Reference Book 452: 69:Decades before the first flashbulbs, some 425: 476: 170:, the camera is most often mounted on a 142: 20: 342:Squeeze the bulb to release the shutter 538: 512: 458: 241:mode and—rarely—also from 435:Mastering Black-and-White Photography 431: 404:The Focal encyclopedia of photography 482: 224: 285:Some specialized cameras use other 13: 129:1 & 1A Pocket "Kodaks" Juniors 14: 557: 461:Focal Encyclopedia of Photography 483:Paul, Matthias R. (2004-09-21). 375: 363: 347: 335: 323: 311: 299: 49:that holds shutters open for as 521:from the original on 2017-08-26 459:Purves, Frederick, ed. (1956). 84:Cameras Photographic Supplies 1: 387: 354:A bulb shutter release on a 125:Folding Autographic Brownies 16:Shutter technique on cameras 7: 491:(in German). Archived from 432:Suess, Bernhard J. (2003). 97:C. A. Steinheil & Söhne 10: 562: 515:"Olympus SP-560 UZ Review" 292: 64: 112: 517:. DigitalCamera Review. 174:for the duration of the 166:Because of the risk of 157:point-and-shoot cameras 267:of 200 ISO and lower. 152: 138: 93: 45:is a momentary-action 30: 546:Photography equipment 513:womble (2007-12-27). 146: 120:Eastman Kodak Company 88: 37:setting (abbreviated 24: 469:BULB EXPOSURE (B). 255:Some mid-level or 153: 31: 445:978-1-58115-306-4 418:978-0-240-51417-8 276:Olympus OM-D E-M5 225:On modern cameras 201:celestial objects 553: 530: 529: 527: 526: 510: 504: 503: 501: 500: 480: 474: 473: 465:Focal Press Ltd. 456: 450: 449: 429: 423: 422: 398: 379: 367: 351: 339: 327: 315: 303: 243:shutter priority 205:astrophotography 114: 561: 560: 556: 555: 554: 552: 551: 550: 536: 535: 534: 533: 524: 522: 511: 507: 498: 496: 481: 477: 457: 453: 446: 430: 426: 419: 411:. p. 790. 399: 395: 390: 383: 380: 371: 368: 359: 352: 343: 340: 331: 328: 319: 316: 307: 304: 295: 239:manual exposure 227: 168:camera movement 141: 79:folding cameras 67: 17: 12: 11: 5: 559: 549: 548: 532: 531: 505: 475: 451: 444: 424: 417: 392: 391: 389: 386: 385: 384: 381: 374: 372: 369: 362: 360: 353: 346: 344: 341: 334: 332: 329: 322: 320: 317: 310: 308: 305: 298: 294: 291: 287:image triggers 257:bridge cameras 226: 223: 222: 221: 219:light painting 216: 213: 208: 193: 180:long exposures 161:shutter speeds 140: 137: 109:beliebige Zeit 66: 63: 15: 9: 6: 4: 3: 2: 558: 547: 544: 543: 541: 520: 516: 509: 495:on 2016-08-24 494: 490: 489:Minolta-Forum 486: 479: 472: 470: 466: 462: 455: 447: 441: 437: 436: 428: 420: 414: 410: 406: 405: 397: 393: 378: 373: 366: 361: 357: 350: 345: 338: 333: 326: 321: 314: 309: 302: 297: 296: 290: 288: 283: 281: 277: 273: 268: 266: 262: 258: 253: 251: 246: 244: 240: 236: 232: 220: 217: 214: 212: 209: 206: 202: 198: 194: 191: 188: 187: 186: 183: 181: 177: 173: 169: 164: 162: 158: 150: 145: 136: 134: 130: 126: 121: 116: 110: 106: 102: 98: 92: 87: 85: 80: 76: 72: 62: 60: 56: 52: 48: 44: 40: 36: 27: 23: 19: 523:. Retrieved 508: 497:. Retrieved 493:the original 488: 478: 468: 467: 460: 454: 434: 427: 403: 396: 356:Pentax K1000 284: 279: 269: 259:such as the 254: 247: 228: 184: 165: 159:, to obtain 154: 132: 128: 124: 117: 108: 104: 94: 89: 83: 75:view cameras 68: 58: 54: 41:) on camera 38: 34: 32: 25: 18: 409:Focal Press 265:ISO setting 235:Digital SLR 111:, English: 71:box cameras 525:2019-05-11 499:2016-01-01 463:. London: 388:References 149:floodlight 113:"Any time" 270:In 2012, 211:lightning 197:night sky 190:fireworks 151:at night. 107:(meaning 91:duration. 73:and many 29:exposure. 540:Category 519:Archived 192:at night 176:exposure 135:(1955). 105:Beliebig 43:shutters 293:Gallery 272:Olympus 261:Olympus 250:shutter 245:mode. 65:History 442:  415:  280:during 172:tripod 101:Munich 203:(see 440:ISBN 413:ISBN 199:and 195:the 118:The 77:and 55:Time 51:long 47:mode 35:Bulb 33:The 26:Bulb 231:LCD 139:Use 115:). 99:in 542:: 407:. 358:SE 289:. 86:: 528:. 502:. 448:. 421:. 207:) 59:T 57:( 39:B

Index


shutters
mode
long
box cameras
view cameras
folding cameras
C. A. Steinheil & Söhne
Munich
Eastman Kodak Company

floodlight
point-and-shoot cameras
shutter speeds
camera movement
tripod
exposure
long exposures
fireworks
night sky
celestial objects
astrophotography
lightning
light painting
LCD
Digital SLR
manual exposure
shutter priority
shutter
bridge cameras

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