Tag Archives: field

Focal length conversion factor should apply to the camera not the lens.

I was asked in some post comments whether the a 50mm PL mount lens would give a wider picture than a 50mm DSLR lens. This confusion comes about I believe because of all the talk about focal length conversion factors. … Continue reading

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Focal length conversion factor should apply to the camera not the lens.

I was asked in some post comments whether the a 50mm PL mount lens would give a wider picture than a 50mm DSLR lens. This confusion comes about I believe because of all the talk about focal length conversion factors. … Continue reading

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Confused by Sensor Size, Field of View and Focal Length

It can get very confusing when trying to compare deferent lenses on different sized sensors as the size of the sensor determines the Field of View. Even if you know the multiplication factors that you need to apply to a … Continue reading

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HD, SD and Depth of Field.

I was reminded of this by Perrone Ford on DVINFO.net. With HD cameras compared to SD cameras the depth of field appears shallower. Why is this and why is it important? Visually depth of field is the loss of focus … Continue reading

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