Profiling clear film
Profiling clear film
- Subject: Profiling clear film
- From: Eric Bullock <email@hidden>
- Date: Tue, 06 Nov 2007 15:22:34 -0500
- Thread-topic: Profiling clear film
Has anyone tried profiling the Piezo Pro Clear Film? I have access to a
spectro capable of transmissive measurements. Recommended media setting?
Thanks,
Eric Bullock
301.330.4074
email@hidden
Mac Business Solutions
> From: <email@hidden>
> Reply-To: <email@hidden>
> Date: Tue, 6 Nov 2007 12:04:40 -0800 (PST)
> To: <email@hidden>
> Subject: Colorsync-users Digest, Vol 4, Issue 397
>
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> Today's Topics:
>
> 1. Re: File Preparation for 4 color Grayscale offset printing
> (Rich Apollo)
> 2. Re: File Preparation for 4 color Grayscale offset printing
> (Vanita Cyril)
> 3. Re: File Preparation for 4 color Grayscale offset printing
> (Terence Wyse)
> 4. RE: File Preparation for 4 color Grayscale offset printing
> (Richard Booth)
> 5. Re: File Preparation for 4 color Grayscale offset printing
> (Vanita Cyril)
> 6. Re: File Preparation for 4 color Grayscale offset printing
> (Vanita Cyril)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 6 Nov 2007 11:12:49 -0600
> From: Rich Apollo <email@hidden>
> Subject: Re: File Preparation for 4 color Grayscale offset printing
> To: email@hidden
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
>> Haha. This was by far the funniest reply.
>> Grayscale images in 4 color environment.
>>
>> Actually, we've been using 2 high GCR Max Black CMYK profiles that I
>> built using both the GRACoL and SWOP data characterization sets
>> distributed by idealliance.org. Those profiles are used for the CMYK
>> conversion in PS and are also built into a device link with our
>> device's output profile (GCR3) which is installed in the RIP.
>>
>> From the responses I've received, I'm guessing I'm not doing so bad
>> and I should stop trying to control what's out of my hands. . . ?
>
> If you're trying to print grayscale in a 4 color environment, then
> don't convert at all. Just leave the images grayscale. Any conversion
> into a CMYK colorspace is gonna' introduce CMY into the image, which
> will increase the probability of casting on press (which is what
> Martin was alluding to).
>
> If you require the images to be in a 4 color space for proofing
> purposes, then just use the grayscale image to populate the black
> channel of a CMYK image.
>
> Rich
>
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 6 Nov 2007 12:34:25 -0500
> From: Vanita Cyril <email@hidden>
> Subject: Re: File Preparation for 4 color Grayscale offset printing
> To: Rich Apollo <email@hidden>
> Cc: email@hidden
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
> Majority of the magazines we submit files to require a 4 color file
> and proof printed to SWOP standards.
>
> Vanita
>
>
> On Nov 6, 2007, at 12:12 PM, Rich Apollo wrote:
>
>
>>
>> If you're trying to print grayscale in a 4 color environment, then
>> don't convert at all. Just leave the images grayscale. Any
>> conversion into a CMYK colorspace is gonna' introduce CMY into the
>> image, which will increase the probability of casting on press
>> (which is what Martin was alluding to).
>>
>> If you require the images to be in a 4 color space for proofing
>> purposes, then just use the grayscale image to populate the black
>> channel of a CMYK image.
>>
>> Rich
>>
>> _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
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>>
>> This email sent to email@hidden
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 06 Nov 2007 11:11:39 -0800
> From: Terence Wyse <email@hidden>
> Subject: Re: File Preparation for 4 color Grayscale offset printing
> To: email@hidden
> Message-ID:
> <email@hidden>
> Content-Type: text/plain; charset=ISO-8859-1
>
> I'd keep it BELOW 300% for a max GCR profile but leave the K limit at 100%.
> Assuming the press prints K to the proper density (>1.60), you shouldn't need
> more than about 260-280% total ink to achieve maximum printable density.
>
> Regards,
> Terry
>
>
>
> On Tuesday, November 06, 2007, at 11:46AM, "Vanita Cyril"
> <email@hidden> wrote:
>> This is similar to the Max Black profiles we were using before, but
>> seeing that a few of the finals (Magazine pages) ended up really
>> flat, I went back to using the standard GRACoL2006 and SWOP2006
>> profiles (thinking I was going the wrong way by dumping all the info
>> into the K channel).
>>
>> Would it be fine to build a Max Black 325% Total Ink profile for
>> SWOP? The 300% total ink just wasn't working for us.
>>
>> Thanks.
>> Vanita
>>
>>
>>
>> Vanita Cyril
>> ....................................
>>
>>
>>
>> 23 east fourth street
>> new york, ny 10003
>> +1 212 353-3330 tel
>> +1 212 353-0367 fax
>> www.shootdigital.com
>>
>>
>> On Nov 5, 2007, at 3:57 PM, Richard Booth wrote:
>>
>>> For a 4 color process rich black with no color hues, make a full
>>> range Black (2%-3% highlight to 96%-97% shadow) w/ a ?short range?
>>> CMY. Come in with the three color when black values hit 15% - 35%
>>> and run them to 45% - 60% in the shadows.
>>>
>>> Richard Booth
>>> _______________________________________________
>>> Do not post admin requests to the list. They will be ignored.
>>> Colorsync-users mailing list (email@hidden)
>>> Help/Unsubscribe/Update your Subscription:
>>> 40shootdigital.com
>>>
>>> This email sent to email@hidden
>>
>>
>> _______________________________________________
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>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 6 Nov 2007 14:11:56 -0500
> From: "Richard Booth" <email@hidden>
> Subject: RE: File Preparation for 4 color Grayscale offset printing
> To: "Vanita Cyril" <email@hidden>
> Cc: email@hidden
> Message-ID:
> <email@hidden>
> Content-Type: text/plain; charset="iso-8859-1"
>
> To minimize the possibility of casting on press due to the CM and Y inking
> variations, this is the approach we have used, based on recommendations from
> both our magazine and book printers. It has worked well.
>
> 1. Convert the image to greyscale if it isn‚t already.
> 2. Correct for full tone range- highlight, shadow and midtones (2%-3%
> highlight to 96%-97% shadow).
> 3.Build a new 4/c starting with the greyscale file being used for the K
> channel.
> 4. Dupe the K channel for the C, M and Y channels and apply the range
> limitations. Come in with the three color when black values hit 35% and run
> them to 60% in the shadows. You may want to run a little higher than 60% if
> you think the press and paper can handle a higher max total ink. Check with
> your printer. To keep the black neutral, the Cyan should have a little higher
> density than the M & Y. Some thing like 4C 2M 2Y or 48C 40M 40Y depending
> what tone range you are in.
> The idea here is make the K do the heavy lifting ˆ especially in the lighter
> areas where variations in the press inking of CM and Y would be more visible.
>
> Hope this helps
>
> Richard Booth
>
> -----Original Message-----
> From: Vanita Cyril [mailto:email@hidden]
> Sent: Tue 11/6/2007 11:58 AM
> To: Vanita Cyril
> Cc: Richard Booth; email@hidden
> Subject: Re: File Preparation for 4 color Grayscale offset printing
>
> Afterthought:
> Would a higher total ink be of any help in avoiding the image going
> flat?
>
>
>
> Vanita Cyril
> ....................................
>
>
>
>
>
> ------------------------------
>
> Message: 5
> Date: Tue, 6 Nov 2007 14:15:12 -0500
> From: Vanita Cyril <email@hidden>
> Subject: Re: File Preparation for 4 color Grayscale offset printing
> To: Richard Booth <email@hidden>
> Cc: email@hidden
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=WINDOWS-1252; delsp=yes;
> format=flowed
>
> Richard, thank you.
>
>
> On Nov 6, 2007, at 2:11 PM, Richard Booth wrote:
>
>> To minimize the possibility of casting on press due to the CM and Y
>> inking variations, this is the approach we have used, based on
>> recommendations from both our magazine and book printers. It has
>> worked well.
>>
>> 1. Convert the image to greyscale if it isn‚t already.
>> 2. Correct for full tone range- highlight, shadow and midtones
>> (2%-3% highlight to 96%-97% shadow).
>> 3.Build a new 4/c starting with the greyscale file being used for
>> the K channel.
>> 4. Dupe the K channel for the C, M and Y channels and apply the
>> range limitations. Come in with the three color when black values
>> hit 35% and run them to 60% in the shadows. You may want to run a
>> little higher than 60% if you think the press and paper can handle
>> a higher max total ink. Check with your printer. To keep the black
>> neutral, the Cyan should have a little higher density than the M &
>> Y. Some thing like 4C 2M 2Y or 48C 40M 40Y depending what tone
>> range you are in.
>> The idea here is make the K do the heavy lifting ˆ especially in
>> the lighter areas where variations in the press inking of CM and Y
>> would be more visible.
>>
>> Hope this helps
>>
>> Richard Booth
>>
>> -----Original Message-----
>> From: Vanita Cyril [mailto:email@hidden]
>> Sent: Tue 11/6/2007 11:58 AM
>> To: Vanita Cyril
>> Cc: Richard Booth; email@hidden
>> Subject: Re: File Preparation for 4 color Grayscale offset printing
>>
>> Afterthought:
>> Would a higher total ink be of any help in avoiding the image going
>> flat?
>>
>>
>>
>> Vanita Cyril
>> ....................................
>>
>>
>>
>>
>
>
>
>
> ------------------------------
>
> Message: 6
> Date: Tue, 6 Nov 2007 14:18:13 -0500
> From: Vanita Cyril <email@hidden>
> Subject: Re: File Preparation for 4 color Grayscale offset printing
> To: Terence Wyse <email@hidden>
> Cc: email@hidden
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
> Thanks Terry.
>
> On Nov 6, 2007, at 2:11 PM, Terence Wyse wrote:
>
>> I'd keep it BELOW 300% for a max GCR profile but leave the K limit
>> at 100%. Assuming the press prints K to the proper density (>1.60),
>> you shouldn't need more than about 260-280% total ink to achieve
>> maximum printable density.
>>
>> Regards,
>> Terry
>>
>>
>>
>> On Tuesday, November 06, 2007, at 11:46AM, "Vanita Cyril"
>> <email@hidden> wrote:
>>> This is similar to the Max Black profiles we were using before, but
>>> seeing that a few of the finals (Magazine pages) ended up really
>>> flat, I went back to using the standard GRACoL2006 and SWOP2006
>>> profiles (thinking I was going the wrong way by dumping all the info
>>> into the K channel).
>>>
>>> Would it be fine to build a Max Black 325% Total Ink profile for
>>> SWOP? The 300% total ink just wasn't working for us.
>>>
>>> Thanks.
>>> Vanita
>>>
>>>
>>>
>>> Vanita Cyril
>>> ....................................
>>>
>>>
>>>
>>> 23 east fourth street
>>> new york, ny 10003
>>> +1 212 353-3330 tel
>>> +1 212 353-0367 fax
>>> www.shootdigital.com
>>>
>>>
>>> On Nov 5, 2007, at 3:57 PM, Richard Booth wrote:
>>>
>>>> For a 4 color process rich black with no color hues, make a full
>>>> range Black (2%-3% highlight to 96%-97% shadow) w/ a ?short range?
>>>> CMY. Come in with the three color when black values hit 15% - 35%
>>>> and run them to 45% - 60% in the shadows.
>>>>
>>>> Richard Booth
>>>> _______________________________________________
>>>> Do not post admin requests to the list. They will be ignored.
>>>> Colorsync-users mailing list (email@hidden)
>>>> Help/Unsubscribe/Update your Subscription:
>>>> 40shootdigital.com
>>>>
>>>> This email sent to email@hidden
>>>
>>>
>>> _______________________________________________
>>> Do not post admin requests to the list. They will be ignored.
>>> Colorsync-users mailing list (email@hidden)
>>> Help/Unsubscribe/Update your Subscription:
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>>>
>>> This email sent to email@hidden
>>>
>> _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
>> Colorsync-users mailing list (email@hidden)
>> Help/Unsubscribe/Update your Subscription:
>> 40shootdigital.com
>>
>> This email sent to email@hidden
>
>
>
>
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> End of Colorsync-users Digest, Vol 4, Issue 397
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