Olympus m.zuiko Pro 12-45mm f4.0

Olympus m.zuiko Pro 12-45mm f4.0
Brand: Olympus
Product Code: Olympus m.zuiko Pro 12-45mm f4.0
Availability: Pre-Order
Price: NZD$1,199.00
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Focal Length 12-45 mm (35 mm Equivalent Focal Length: 24-90 mm)
Lens Construction 12 elements in 9 groups (2 HR lenses, 1 DSA lens, 1 Super HR lens, 2 Aspherical lenses, 2 ED lenses)
Splashproof Type / Dustproof IEC Standard publication 60529
IPX1 (applies when the lens is used with Olympus splashproof Body) /
Dustproof construction
Angle of View 84 degrees (Wide) - 27 degrees (Tele)
Closest Focusing Distance 0.12 m (wide) / 0.23 m (tele)
Maximum Image Magnification 0.25x (Wide / Tele)
35mm Equivalent Max. Image Magnification 0.5x (Wide / Tele)
Minimum Field Size 69.2 x 52.0 mm (Wide / Tele)
Number of Blades 7 (Circular aperture diaphragm)
Maximum Aperture F4.0
Minimum Aperture F22
Filter Size Diameter 58 mm
Dimensions Ø63.4 x 70.0 mm
Weight 254 g
Box Contents Lens hood LH-61G, Lens cap LC-58F, Lens rear cap LR-2, Wrapping cloth CS-53, Instruction manual, Warranty card

Depth of field

When focusing on a subject, there is an area behind and in front of the focused point that is also in focus. This area is called depth of field. The amount of area behind a focused point will always be greater than the area in front of the focused point regardless of aperture. Depth of field becomes deeper when the focal length is short (wide-angle lens), the focusing distance is long, and aperture is small.

Depth of field table (wide-end focal length: 12mm)

Columns: aperture values / Rows: focusing distance (m)
The diameter of the permissible circle of confusion is 1/60mm.

  0.12 0.2 0.3 0.5 0.7 1 2 3 5
4.0 0.119 - 0.121 0.193 - 0.208 0.280 - 0.325 0.435 - 0.594 0.571 - 0.921 0.744 - 1.571 1.154 - 8.985 1.413 - ∞ 1.723 - ∞ 2.564 - ∞
5.6 0.119 - 0.121 0.191 - 0.211 0.273 - 0.336 0.415 - 0.641 0.534 - 1.053 0.680 - 2.033 0.999 - ∞ 1.184 - ∞ 1.389 - ∞ 1.877 - ∞
8.0 0.118 - 0.122 0.187 - 0.216 0.263 - 0.355 0.389 - 0.732 0.489 - 1.354 0.604 - 3.740 0.835 - ∞ 0.956 - ∞ 1.081 - ∞ 1.347 - ∞
11 0.117 - 0.123 0.182 - 0.224 0.251 - 0.386 0.358 - 0.924 0.438 - 2.323 0.525 - ∞ 0.683 - ∞ 0.759 - ∞ 0.833 - ∞ 0.976 - ∞
16 0.117 - 0.124 0.177 - 0.237 0.237 - 0.443 0.324 - 1.511 0.385 - ∞ 0.447 - ∞ 0.550 - ∞ 0.596 - ∞ 0.638 - ∞ 0.714 - ∞
22 0.115 - 0.126 0.169 - 0.260 0.220 - 0.577 0.287 - ∞ 0.330 - ∞ 0.372 - ∞ 0.435 - ∞ 0.462 - ∞ 0.485 - ∞ 0.525 - ∞

Depth of field table (middle focal length: 23mm)

Columns: aperture values / Rows: focusing distance (m)
The diameter of the permissible circle of confusion is 1/60mm.

  0.16 0.2 0.3 0.5 0.7 1 2 3 5
4.0 0.159 - 0.161 0.198 - 0.202 0.293 - 0.307 0.479 - 0.524 0.656 - 0.751 0.910 - 1.112 1.656 - 2.535 2.278 - 4.422 3.259 - 10.93 9.188 - ∞
5.6 0.159 - 0.162 0.197 - 0.203 0.291 - 0.310 0.471 - 0.534 0.641 - 0.772 0.879 - 1.163 1.553 - 2.832 2.086 - 5.431 2.874 - 20.43 6.640 - ∞
8.0 0.158 - 0.162 0.195 - 0.205 0.287 - 0.314 0.460 - 0.549 0.620 - 0.808 0.838 - 1.249 1.422 - 3.443 1.852 - 8.305 2.444 - ∞ 4.693 - ∞
11 0.157 - 0.163 0.194 - 0.207 0.282 - 0.321 0.445 - 0.573 0.592 - 0.864 0.786 - 1.396 1.273 - 4.954 1.603 - 32.88 2.024 - ∞ 3.340 - ∞
16 0.156 - 0.164 0.191 - 0.210 0.276 - 0.331 0.427 - 0.611 0.557 - 0.961 0.724 - 1.681 1.110 - 13.45 1.350 - ∞ 1.633 - ∞ 2.381 - ∞
22 0.154 - 0.166 0.188 - 0.215 0.267 - 0.346 0.403 - 0.677 0.515 - 1.146 0.651 - 2.389 0.942 - ∞ 1.106 - ∞ 1.286 - ∞ 1.700 - ∞

Depth of field table (tele-end focal length: 45mm)

Columns: aperture values / Rows: focusing distance (m)
The diameter of the permissible circle of confusion is 1/60mm.

  0.23 0.3 0.4 0.5 0.7 1 2 3 5
4.0 0.229 - 0.231 0.298 - 0.302 0.396 - 0.404 0.493 - 0.507 0.686 - 0.714 0.971 - 1.030 1.886 - 2.129 2.750 - 3.301 4.339 - 5.902 32.61 - ∞
5.6 0.229 - 0.232 0.297 - 0.303 0.394 - 0.406 0.491 - 0.510 0.681 - 0.720 0.961 - 1.043 1.846 - 2.183 2.664 - 3.435 4.128 - 6.347 23.50 - ∞
8.0 0.228 - 0.232 0.296 - 0.305 0.392 - 0.409 0.487 - 0.514 0.673 - 0.729 0.945 - 1.062 1.788 - 2.271 2.544 - 3.660 3.846 - 7.167 16.53 - ∞
11 0.227 - 0.233 0.294 - 0.306 0.388 - 0.412 0.481 - 0.520 0.663 - 0.742 0.925 - 1.090 1.714 - 2.405 2.397 - 4.024 3.516 - 8.718 11.76 - ∞
16 0.226 - 0.234 0.291 - 0.309 0.384 - 0.418 0.474 - 0.529 0.649 - 0.761 0.897 - 1.132 1.619 - 2.628 2.213 - 4.696 3.133 - 12.66 8.322 - ∞
22 0.224 - 0.236 0.288 - 0.313 0.378 - 0.426 0.464 - 0.542 0.630 - 0.789 0.861 - 1.198 1.502 - 3.023 2.000 - 6.136 2.720 - 34.82 5.917 - ∞

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