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3 votes
1 answer
166 views

Is it normal for AF points other than the selected one to be slightly illuminated on a Nikon DSLR?

I have a Nikon D3300. When in single point AF mode, besides the selected AF point, some of the surrounding AF points also gets very slightly illuminated (as if there is some leakage from the main AF ...
manish.mandal's user avatar
2 votes
1 answer
568 views

How do you even see the focus area rectangle when in dark?

I was reading the manual for my camera and well they have a rectangular kind of area that they show in viewfinder and those little squares as focus point and how to change those focus points. But the ...
Brandon's user avatar
  • 2,460
2 votes
2 answers
2k views

Can slightly misaligned focus points and focus screen result in focusing issues?

I'm using an Canon 1Ds mk II with the focusing screen "Ec-D: Laser-matte with grid" that has a grid dividing the screen both horizontally and vertically. Lighting up the focus points clearly shows ...
Hugo's user avatar
  • 8,298
2 votes
2 answers
126 views

What are the downsides of setting the autofocus point brightness to the highest setting?

On the Canon 1Ds bodies there is a custom function that lets you set the brightness of the autofocus points. I find them a lot easier to see if set to the brightest setting. Are there any downsides of ...
Hugo's user avatar
  • 8,298
17 votes
3 answers
7k views

How are the red focus point indicators displayed on a DSLR's focusing screen?

The question Why do the focus points leds in my viewfinder appear shadowed? raises another question for me. How are these indicator lights implemented in typical DSLRs? Are they actually small LEDs ...
mattdm's user avatar
  • 144k