Nikon D90 Iso setting?

p1tse

p1tse

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What are the low settings I.e the ones before ISo 200?
 
L0.3, L0.7, L1.0. Think these are equivalent to 160, 125 & 100, but not native so I don't think they should be used, except in exceptional circumstances.

But I could easily be wrong, so I'll await a more definitive answer.
 
johnnypanic said:
L0.3, L0.7, L1.0. Think these are equivalent to 160, 125 & 100, but not native so I don't think they should be used, except in exceptional circumstances.

But I could easily be wrong, so I'll await a more definitive answer.
Click to expand...

Thanks that's it from memory without looking

Me woo will wait for definite answer
 
So is it best to avoid low settings and go from 200?
 
Never found any benefit in going lower, and I remember reading somewhere there's loss of dynamic range from the software corrections needed to reach that ISO.
 
I must admit, yes in theory it produces less quality that you would get from a camera with 100 iso as native...but I never noticed any images that looked bad on low settings on my old D90.

It's like anything with ISO - if you have to, do it.
 
Used my LO settings for the first time recently shooting landscapes using very slow shutter speeds (having avoided them for all the reasons mentioned above) and I was very pleasantly surpised by the IQ - I was somehow expecting lower res, flat looking images but actualy the dynamic range was pretty good. I won't avoid them in the future like I used to (but will probably stick with 200 as my low ISO default.
 
What the 'reason' behind the Nikon sensor starting at ISO 200? Often wondered this when I hop between Nikon and Canon.
 
Moos3h said:
What the 'reason' behind the Nikon sensor starting at ISO 200? Often wondered this when I hop between Nikon and Canon.
Click to expand...

No idea. Not all Nikon models do this either. Many have base iso, 100.

As I understand it the lo settings are basically an image taken at base iso but overexposed and then pulled back.

So if you took a shot at 1/250s iso 200, and then took the same shot at 1/125s Lo1 (iso 100), the latter would simply be an iso 200 shot pulled back one stop.

The opposite happens with the Hi iso settings, i.e the camera underexposes.
 
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