And if you miss by a stop or two, one can easily correct in Phocus or Photoshop afterwards.
Jat
NO , you can NOT .
It looks as if you can do so , but the image information you lost by either
over exposure or under exposure can not be regained . (the same as with film)
What you do in PHOCUS , is stretching or compressing your histogram .
In many cases you will not directly notice missing image information , because the far left end part (of the histogram) is dead black and the far right end part is white without image information anyway .
The far left part of the histogram corresponds to zone 1 and 2 and does not have reproduceable image information , but zone 3 does .
The far right end holds zone 9 and ten . We do not see any image information there . But we see information in zone 8 .
If your exposure is low by say 2 stops , you will not have image information from zone 8 .
If your exposure is high by say 2 stops the zone 8 information is wasted and actually outside the histogram .
In both cases you loose image information , which can not be regained , as stated above .
Solution : Expose as exact as possible .
For the CFV-16 LCD screen at contrast setting 5 , your right end of the histogram should not exceed 85% - 90% .
If you set the contrast of the back's screen down to zero , expose that the histogram reaches 100% .
If you under expose and then stretch the histogram you will more likely also produce noise in your image .