Voorbeelden van het gebruik van Focal distance in het Engels en hun vertalingen in het Nederlands
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Colloquial
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Official
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Ecclesiastic
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Medicine
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Financial
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Computer
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Ecclesiastic
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Official/political
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Programming
Its minimum focal distance is 22cm, the maximum magnification
A lens with an effective focal distance of 600 mm is not immediately an ideal macro-lens.
The more shorter the focal distance of the lens is,
The shortest focal distance is thus reduced to 20 cm(2 cm from the front lens!).
On an APS-C/DX camera, the effective focal distance is not 35 mm, but 42 mm.
This cardboard 3D photo print viewer is suited with high quality acrylic lenses with a long focal distance of 150 mm.
The shortest focal distance of less than a meter also makes great close-up shots possible.
Therefore, we tested the Optical Stabilizer for this lens at the longest focal distance.
The viewer holds hight quality achromatic lenses of 100 or 120 mm. focal distance.
flash synchronized with the focal distance.
The viewer holds high quality coated glass lenses of 5 dioptres(20 cm… focal distance) fixed focus.
The lens can be exactly adjusted a focal distance to make the image clear.
Mm- 30mm when Focal distance infinity, the microscope as a webcam, can not magnify.
The door has been tested in accordance with EN 60825-4 A protection period> 60 seconds is achieved at twice the focal distance and a laser output of 4.6 kW.
Ocular contains two 120 mm. achromatic coated d= 37 mm. lenses. Total focal distance is 60 mm.
The focal distance of the lenses is 100 mm. with an aperture of 32 mm. The front of the viewer is extended due to the optical demands of this format.
The focal distance of the lenses is in total 60 mm. with an aperture of 36 mm. This allows most spectators to see the picture sharp up to the corners even for spectacle wearers.
at the other side a screen also at twice the focal distance.
Especially at short focal distances, that is visible.
Constantly changing focal distances are a challenge for our eyes.