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M.ZUIKO PRO

12-40mm F2.8 PRO

Specifications


Focal Length 12-40mm (35mm equivalent focal length: 24-80mm)
Lens construction diagram 14 elements in 9 groups (1 aspherical ED lens, 2 aspherical lenses, 1 DSA lens, 2 ED lenses, 1 HD lens and 2 HR lenses)
Splashproofing Dustproof and splashproof mechanism
Angle of view 84° to 30°
Closest focusing distance 0.2m
Maximum image magnification 0.3x (35mm equivalent maximum image magnification: 0.6x)
Minimum field size 58 x 44mm
Number of diaphragm blades 7 (circular aperture diaphragm)
Maximum aperture ratio F2.8
Minimum aperture F22
Filter size Ø62mm
Size: maximum diameter x length Ø69.9 x 84mm
Weight 382g
Box contents LH-66 Lens Hood , LSC-0918 Lens Case , LC-62D Lens Cap , LR-2 Rear Lens Cap , Instruction Manual, and 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)*1

  0.2 0.3 0.4 0.5 0.7 1 2 3 5
Maximum aperture
 
0.196 to 0.204 0.287 to 0.315 0.372 to 0.434 0.453 to 0.560 0.603 to 0.843 0.800 to 1.356 1.294 to 4.687 1.628 to 26.516 2.053 - ∞ 3.322 - ∞
2.8 -- -- -- -- -- -- -- -- -- --
4 0.194 to 0.206 0.281 to 0.322 0.362 to 0.451 0.436 to 0.592 0.570 to 0.927 0.739 to 1.611 1.128 to 11.845 1.367 - ∞ 1.647 - ∞ 2.376 - ∞
5.7 0.192 to 0.209 0.275 to 0.333 0.349 to 0.477 0.415 to 0.644 0.531 to 1.078 0.669 to 2.195 0.962 - ∞ 1.126 - ∞ 1.303 - ∞ 1.704 - ∞
8 0.189 to 0.213 0.266 to 0.350 0.332 to 0.520 0.389 to 0.738 0.485 to 1.420 0.594 to 4.678 0.802 - ∞ 0.907 - ∞ 1.014 - ∞ 1.231 - ∞
11.3 0.186 to 0.219 0.255 to 0.379 0.312 to 0.603 0.359 to 0.941 0.434 to 2.672 0.514 - ∞ 0.654 - ∞ 0.719 - ∞ 0.780 - ∞ 0.896 - ∞
16 0.181 to 0.229 0.241 to 0.431 0.288 to 0.791 0.325 to 1.616 0.381 - ∞ 0.437 - ∞ 0.526 - ∞ 0.564 - ∞ 0.598 - ∞ 0.658 - ∞
22.6 0.174 to 0.247 0.225 to 0.548 0.262 to 1.543 0.290 - ∞ 0.329 - ∞ 0.366 - ∞ 0.420 - ∞ 0.441 - ∞ 0.460 - ∞ 0.491 - ∞

Depth of field table (middle focal length: 22mm)

Columns: aperture values Rows: focusing distance (m)*1

  0.2 0.3 0.4 0.5 0.7 1 2 3 5
Maximum aperture 0.199 to 0.201 0.296 to 0.305 0.391 to 0.410 0.484 to 0.517 0.666 to 0.739 0.926 to 1.088 1.703 to 2.431 2.362 to 4.134 3.426 to 9.378 10.270 - ∞
2.8 -- -- -- -- -- -- -- -- -- --
4 0.198 to 0.202 0.294 to 0.307 0.387 to 0.414 0.477 to 0.525 0.652 to 0.757 0.897 to 1.132 1.601 to 2.685 2.166 to 4.949 3.019 to 15.228 7.368 - ∞
5.7 0.197 to 0.203 0.291 to 0.310 0.382 to 0.421 0.469 to 0.537 0.634 to 0.784 0.862 to 1.198 1.480 to 3.137 1.946 to 6.818 2.599 to 111.286 5.232 - ∞
8 0.196 to 0.204 0.288 to 0.314 0.375 to 0.430 0.457 to 0.554 0.611 to 0.826 0.816 to 1.309 1.340 to 4.132 1.704 to 14.770 2.176 - ∞ 3.727 - ∞
11.3 0.195 to 0.206 0.283 to 0.320 0.365 to 0.444 0.442 to 0.581 0.581 to 0.894 0.760 to 1.508 1.183 to 7.609 1.451 - ∞ 1.774 - ∞ 2.661 - ∞
16 0.193 to 0.208 0.277 to 0.329 0.353 to 0.467 0.423 to 0.624 0.544 to 1.016 0.693 to 1.933 1.018 - ∞ 1.205 - ∞ 1.414 - ∞ 1.907 - ∞
22.6 0.190 to 0.212 0.269 to 0.344 0.338 to 0.504 0.398 to 0.700 0.501 to 1.269 0.619 to 3.284 0.855 - ∞ 0.978 - ∞ 1.105 - ∞ 1.373 - ∞

Depth of field table (tele-end focal length: 40mm)


Columns: aperture values Rows: focusing distance (m)*1
 
  0.2 0.3 0.4 0.5 0.7 1 2 3 5
Maximum aperture 0.199 to 0.201 0.298 to 0.302 0.397 to 0.403 0.494 to 0.506 0.688 to 0.712 0.975 to 1.026 1.897 to 2.115 2.770 to 3.272 4.385 to 5.820 34.818 - ∞
2.8 -- -- -- -- -- -- -- -- -- --
4 0.199 to 0.201 0.298 to 0.302 0.395 to 0.405 0.492 to 0.508 0.683 to 0.718 0.963 to 1.040 1.850 to 2.178 2.668 to 3.429 4.130 to 6.345 23.157 - ∞
5.7 0.199 to 0.201 0.297 to 0.303 0.393 to 0.407 0.489 to 0.512 0.676 to 0.726 0.949 to 1.057 1.794 to 2.261 2.552 to 3.646 3.853 to 7.146 16.386 - ∞
8 0.199 to 0.202 0.295 to 0.305 0.391 to 0.410 0.484 to 0.517 0.667 to 0.737 0.930 to 1.083 1.722 to 2.391 2.404 to 4.005 3.521 to 8.699 11.614 - ∞
11.3 0.198 to 0.202 0.293 to 0.307 0.387 to 0.414 0.478 to 0.525 0.654 to 0.754 0.904 to 1.122 1.628 to 2.605 2.223 to 4.657 3.139 to 12.601 8.229 - ∞
16 0.197 to 0.203 0.291 to 0.310 0.382 to 0.421 0.469 to 0.536 0.637 to 0.779 0.869 to 1.183 1.513 to 2.984 2.009 to 6.063 2.725 to 34.724 5.845 - ∞
22.6 0.196 to 0.204 0.287 to 0.314 0.374 to 0.430 0.458 to 0.553 0.614 to 0.818 0.825 to 1.281 1.377 to 3.764 1.771 to 10.642 2.299 - ∞ 4.153 - ∞
  • *1 The diameter of the permissible circle of confusion is 1/60mm.
 
 
  • *Specifications are subject to change without notice.

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