Knowledge (XXG)

Pinhole (optics)

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Besides pinholes made by the point of a pin, precision commercial pinholes are often made by
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is a small circular hole, as could be made with the point of a
51: 231: 66:in optical systems. Pinholes are commonly used to 251: 16:Tiny hole functioning as an optical component 8: 258: 244: 93:, focusing light. This effect is used in 74:beam), where the small pinhole acts as a 35:Natural pinholes formed by tree leaves – 129:: a screen of pinholes is mounted on an 153: 58:, pinholes with diameter between a few 62:and a hundred micrometers are used as 7: 212: 210: 230:. You can help Knowledge (XXG) by 14: 214: 37:Solar eclipse of August 21, 2017 162:"Understanding Spatial Filters" 27:of a damaged 80 Îžm pinhole 105:. This effect is also used in 1: 89:A small pinhole can act as a 298: 209: 226:-related article is a 43: 28: 166:Edmund Optics website 144:through a thin foil. 34: 22: 109:, which are used by 80:spatial frequencies 277:Optical components 70:a beam (such as a 44: 29: 239: 238: 188:"Spatial Filters" 127:corrective lenses 107:pinhole occluders 289: 260: 253: 246: 218: 211: 204: 203: 201: 199: 184: 178: 177: 175: 173: 158: 111:ophthalmologists 68:spatially filter 41:Washington state 297: 296: 292: 291: 290: 288: 287: 286: 267: 266: 265: 264: 208: 207: 197: 195: 192:Newport website 186: 185: 181: 171: 169: 168:. Edmund Optics 160: 159: 155: 150: 135:pinhole glasses 95:pinhole cameras 76:low-pass filter 17: 12: 11: 5: 295: 293: 285: 284: 279: 269: 268: 263: 262: 255: 248: 240: 237: 236: 219: 206: 205: 179: 152: 151: 149: 146: 142:laser drilling 131:eyeglass frame 99:camera obscura 15: 13: 10: 9: 6: 4: 3: 2: 294: 283: 280: 278: 275: 274: 272: 261: 256: 254: 249: 247: 242: 241: 235: 233: 229: 225: 220: 217: 213: 193: 189: 183: 180: 167: 163: 157: 154: 147: 145: 143: 138: 136: 132: 128: 124: 123:visual acuity 120: 116: 112: 108: 104: 100: 96: 92: 87: 86:of the beam. 85: 81: 77: 73: 69: 65: 61: 57: 53: 49: 42: 38: 33: 26: 21: 282:Optics stubs 232:expanding it 221: 196:. Retrieved 191: 182: 170:. Retrieved 165: 156: 139: 133:and worn as 119:optometrists 103:solarigraphy 88: 47: 45: 115:orthoptists 84:image plane 60:micrometers 23:Wide-field 271:Categories 198:13 January 172:13 January 148:References 25:micrograph 194:. Newport 101:, and in 64:apertures 121:to test 82:in the 48:pinhole 224:optics 117:, and 56:optics 222:This 72:laser 54:. In 228:stub 200:2014 174:2014 97:and 91:lens 78:for 52:pin 39:in 273:: 190:. 164:. 137:. 113:, 46:A 259:e 252:t 245:v 234:. 202:. 176:.

Index


micrograph

Solar eclipse of August 21, 2017
Washington state
pin
optics
micrometers
apertures
spatially filter
laser
low-pass filter
spatial frequencies
image plane
lens
pinhole cameras
camera obscura
solarigraphy
pinhole occluders
ophthalmologists
orthoptists
optometrists
visual acuity
corrective lenses
eyeglass frame
pinhole glasses
laser drilling
"Understanding Spatial Filters"
"Spatial Filters"
Stub icon

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