Knowledge (XXG)

Ring flash

Source 📝

311: 124: 295: 279: 162:, which can produce a consistent level of light for video recording or to see a live preview before capturing photographs. Continuous ring lights are popular for improving picture quality on video calls, social media selfies, and video blogging. For example, Cornell University offers a photo kiosk equipped with a continuous ring light and iPad to take social media profile pictures for students, faculty, staff, and alumni. 201: 232:
light modifiers can shape the light from a conventional shoe-mounted flash into that of a ring flash. These adapters use diffusers and reflectors to "bend" the light in an arc around the lens axis and then emit the light from that arc. These devices maintain any through-the-lens (TTL) lighting functions that are shared by the camera and flash because the timing of the light has not changed.
25: 252:
Ring flashes become more popular during the pandemic due to the growth of social media, specifically Tiktok. Users purchased and used these ring lights to improve their lighting while allowing them to attach their phones between the lights. Their price varies from $ 10 to $ 100, and people tend to
248:
Ring flashes are also popular in portrait and fashion photography because they soften the shadows created by other, off-axis lights, and create interesting circular highlights in a model's eyes. Ring Lights are also often used in the beauty and cosmetic industry, mostly by make-up artists. This is
240:
Ring flashes are commonly used in macro (close-up) photography. When the subject is very close to the camera, the distance of the flash from the optical axis becomes significant. For objects close to the camera, the size of the ring flash is significant and so the light encounters the subject from
231:
Other devices are available that project light in a fashion similar to ring flashes. For example, flash diffusers have no light source of their own, but instead mount in front of a conventional flash unit and transmit the light to a ring-shaped diffuser at the front of the lens. Some other passive
216:
in the shoe-mount unit and a cable conveys power and control signals to the circular flash unit. In larger ring flashes, which are typically used for fashion photography, power may be supplied by an external battery or line power supply, or the power supply and light may be combined in one unit.
228:. In some flash units with multiple flash tubes, each flash tube can be independently enabled. Some ring flashes have focusing lenses that result in ideal light distribution at a particular distance from the subject. 294: 278: 310: 272:. A ring flash works on a microscope in much the same way as it does on a camera; it reduces reflections while bathing the subject in light. 108: 123: 556: 46: 249:
due to the lightweight and compact features of a ring light that make it suitable for freelance beauty and make-up artists.
89: 391: 61: 515: 42: 489: 551: 417: 68: 35: 75: 269: 213: 177: 135:
is a circular light that is often operated with a camera lens in the center to take photographs. Unlike
57: 225: 166: 148: 152: 139:, a ring flash can illuminate a subject with minimal shadows by closely and evenly surrounding the 265: 181: 136: 358: 143:
of the camera lens. This makes it a popular choice for various types of photography, including
444: 366: 332: 173: 144: 192:
The ring flash was first invented by Lester A. Dine in 1952 for use in dental photography.
169:(LEDs) because they are bright, energy-efficient, and capable of producing quality light. 82: 261: 180:, or CRI) of light output. Some ring lights allow for the adjustment of brightness and 545: 140: 200: 212:, and a circular flash unit mounted on the front of a lens. Power is supplied by 301: 24: 208:
A macro ring flash typically consists of a power and control unit mounted on a
172:
Ring lights and flashes vary in diameter and thickness, as well as the amount,
337: 257: 221: 516:"How the ring light became a must-have for recording videos under quarantine" 370: 285: 466: 327: 242: 209: 241:
many angles in the same way that it does with a conventional flash with
204:
Samigon ring flash unit attached to lens of single-lens reflex camera
288:
showing reflected ring flash, a common effect in fashion photography
304:
camera with macro lens mounted under tripod for photographing ants
199: 122: 18: 245:. This has the effect of further softening any shadows. 268:. The main use of this tool is the photographing of 49:. Unsourced material may be challenged and removed. 260:. The ring flash (usually LED) is mounted on the 165:Modern continuous ring lights frequently use 8: 490:"Americans Got Tired of Looking Bad on Zoom" 220:Light is usually generated by one or more 158:Closely related to the ring flash is the 109:Learn how and when to remove this message 176:, and quality (imperfectly indicated by 349: 274: 418:"Color Rendering Index - What Is CRI?" 316:A model photographed with a ring flash 7: 357:Pinola, Melanie (13 December 2021). 47:adding citations to reliable sources 445:"The History of Dental Photography" 14: 488:Mull, Amanda (19 November 2020). 359:"How to Buy the Best Ring Light" 309: 293: 277: 23: 34:needs additional citations for 300:Pentax AF160FC ring flash and 256:Ring flashes are also used in 1: 514:Novet, Jordan (18 May 2020). 573: 396:Student & Campus Life 392:"Profile Picture Kiosk" 127:An LED-based ring flash 284:A closeup image of an 253:purchase them online. 205: 128: 16:Camera flash equipment 557:Photographic lighting 270:microscopic organisms 203: 178:color rendering index 167:light-emitting diodes 160:continuous ring light 126: 447:. Lester A. Dine Inc 443:Glassgold, Matthew. 398:. Cornell University 43:improve this article 153:fashion photography 137:point light sources 363:The New York Times 266:optical microscope 206: 129: 552:Flash photography 333:Macro photography 182:color temperature 174:color temperature 119: 118: 111: 93: 564: 531: 530: 528: 526: 511: 505: 504: 502: 500: 485: 479: 478: 476: 474: 463: 457: 456: 454: 452: 440: 434: 433: 431: 429: 414: 408: 407: 405: 403: 388: 382: 381: 379: 377: 354: 313: 297: 281: 114: 107: 103: 100: 94: 92: 51: 27: 19: 572: 571: 567: 566: 565: 563: 562: 561: 542: 541: 540: 535: 534: 524: 522: 513: 512: 508: 498: 496: 487: 486: 482: 472: 470: 465: 464: 460: 450: 448: 442: 441: 437: 427: 425: 416: 415: 411: 401: 399: 390: 389: 385: 375: 373: 356: 355: 351: 346: 324: 317: 314: 305: 298: 289: 282: 238: 224:or by multiple 198: 190: 115: 104: 98: 95: 52: 50: 40: 28: 17: 12: 11: 5: 570: 568: 560: 559: 554: 544: 543: 539: 538:External links 536: 533: 532: 506: 480: 469:. Paul C. Buff 458: 435: 409: 383: 348: 347: 345: 342: 341: 340: 335: 330: 323: 320: 319: 318: 315: 308: 306: 299: 292: 290: 283: 276: 262:objective lens 237: 234: 197: 194: 189: 186: 117: 116: 31: 29: 22: 15: 13: 10: 9: 6: 4: 3: 2: 569: 558: 555: 553: 550: 549: 547: 537: 521: 517: 510: 507: 495: 491: 484: 481: 468: 462: 459: 446: 439: 436: 424:. 25 May 2022 423: 419: 413: 410: 397: 393: 387: 384: 372: 368: 364: 360: 353: 350: 343: 339: 336: 334: 331: 329: 326: 325: 321: 312: 307: 303: 296: 291: 287: 280: 275: 273: 271: 267: 263: 259: 254: 250: 246: 244: 235: 233: 229: 227: 223: 218: 215: 211: 202: 195: 193: 187: 185: 183: 179: 175: 170: 168: 163: 161: 156: 154: 150: 146: 142: 138: 134: 125: 121: 113: 110: 102: 99:December 2009 91: 88: 84: 81: 77: 74: 70: 67: 63: 60: –  59: 55: 54:Find sources: 48: 44: 38: 37: 32:This article 30: 26: 21: 20: 523:. Retrieved 519: 509: 497:. Retrieved 494:The Atlantic 493: 483: 471:. Retrieved 461: 449:. Retrieved 438: 426:. Retrieved 421: 412: 400:. Retrieved 395: 386: 374:. Retrieved 362: 352: 255: 251: 247: 239: 236:Applications 230: 219: 207: 196:Construction 191: 171: 164: 159: 157: 141:optical axis 132: 130: 120: 105: 96: 86: 79: 72: 65: 58:"Ring flash" 53: 41:Please help 36:verification 33: 467:"AlienBees" 302:Pentax K20D 222:flash tubes 546:Categories 451:11 October 422:lumens.com 344:References 338:Micrograph 258:microscopy 133:ring flash 69:newspapers 428:18 August 402:18 August 376:18 August 371:0362-4331 214:batteries 328:Close-up 322:See also 243:soft box 210:hot shoe 149:portrait 525:19 June 499:19 June 473:16 July 188:History 83:scholar 369:  264:of an 85:  78:  71:  64:  56:  145:macro 90:JSTOR 76:books 527:2023 520:CNBC 501:2023 475:2014 453:2016 430:2022 404:2022 378:2022 367:ISSN 226:LEDs 151:and 62:news 286:eye 45:by 548:: 518:. 492:. 420:. 394:. 365:. 361:. 184:. 155:. 147:, 131:A 529:. 503:. 477:. 455:. 432:. 406:. 380:. 112:) 106:( 101:) 97:( 87:· 80:· 73:· 66:· 39:.

Index


verification
improve this article
adding citations to reliable sources
"Ring flash"
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message

point light sources
optical axis
macro
portrait
fashion photography
light-emitting diodes
color temperature
color rendering index
color temperature

hot shoe
batteries
flash tubes
LEDs
soft box
microscopy
objective lens
optical microscope

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.