The best print contrast ratio is about 100:1 or roughly 6-1/2 stops.
Most prints are probably less than that.
Chuck Norcutt
Winsor Crosby wrote:
> I suppose they have improved but when I replaced my Sony CRT with an
> Apple LCD two years ago I was amazed at the increase in brightness and
> sharpness. It had a 600 to 1 brightness ratio then.
>
> There is a lot of this digital stuff I am still fuzzy about. I
> frequently seen this dynamic range thing comparing CRT and LCD and
> wonder whether it is even meaningful. What is the contrast ratio of a
> paper print?
>
>
>
> Winsor
> Long Beach, California, USA
>
>
>
> On Apr 29, 2005, at 5:01 AM, C.H.Ling wrote:
>
>
>>No, I don't think so, CRT does not have exceptional high dynamic
>>range. I
>>remember seeing somewhere good monitor has around 700:1 and my EIZO has
>>1000:1 contrast ratio, the pasma has 3000:1 contrast ratio. All LCD I
>>have
>>seen has no moire problem (just at my home there are three), this is
>>very
>>obvious due to non proper adjust of clock phase, can be solved by
>>simply
>>press a button on the LCD for auto sync. I have to stress that LCDs
>>are MUCH
>>sharper than CRTs and I have not use the digital input on the LCD yet,
>>just
>>the analogue input is good enough. My LCD are not the expensive one it
>>is
>>just a $600 EIZO L568 (now only $450).
>>
>>C.H.Ling
>>
>>
>>----- Original Message -----
>>From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxx>
>>
>>>I don't think the dynamic range of LCD's has caught up with CRT's yet.
>>>The only one I'm really familiar with (since I have to use it
>>>occasionally) seems to be subject to moire patterns popping up much
>>>more
>>>so than a CRT. I suspect that it's the very discrete nature of the
>>>pixels on an LCD screen. Just a guess but I think CRT pixels are
>>>"softer" due to the analog and slightly imprecise nature of the signal
>>>which allows them to bleed into each other a bit.
>>>
>>>I've never seen a really expensive LCD but so far I've not seen
>>>anything
>>>that would make me want to give up a CRT for photo editing.
>>>
>>>Chuck Norcutt
>>>
>>
>>
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