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 on: Today at 12:03:52 AM 
Started by maxshafiq - Last post by uuglypher
KMRennie (mentions ETTR
Doug Gray
Jim Metzger..( mentions loss of DR with incr ISO)

Above are seven responders to the OP who indicate awareness of the "headroom" that digital camera sensors provide that  can be  "useful for recovery of some cases of blown highlight detail".

The remarkable aspect of "headroom" is that, even among cameras of the same make and model, that headroom can vary.  Three cameras of the same brand and model were tested: one had an extra  2/3 stop, the next one and 1/3 stops, and the third  had two and 2/3 stops of extra DR ....  indicating that each and every camera ought be tested for its actual raw-accessible DR.!

If any of the responders above have done such testing of their own camera to determine how much extra raw-accessible DR it has beyond the point that the JPEG clipping warning /blinkies is set off, I'm hoping they would report their results at base ISO. 

The loss of DR with increasing ISO is extremely variable. I have one camera with extra DR of one and 1/3 stops at ISO 100 that loses its first 1/3 stop at ISO 400, and another with one and 1/3 stop at ISO 100 that waits until ISO 1600 before it loses its first 1/3 stop of DR.

y'gotta test your camera!


 on: May 26, 2017, 11:40:13 PM 
Started by Schewe - Last post by Farmer
While you are mocking Trump:

So you have some evidence to suggest that the Manchester bombing was done by a refugee or are you just providing an example of fake news?

Our experience may be different, but here, at least, the intelligence agencies see no issue with refugees and terrorism:

 on: May 26, 2017, 11:25:07 PM 
Started by jlamont - Last post by Farmer
Interesting opinion, Farmer. I hope not everyone shares it and will be willing to share their secrets for managing their new printer longterm. Here's why I think that is a reasonable hope (despite what I take, perhaps mistakenly, to be the tone of your reply):

1. Your pricing for these printers is a trifle exaggerated. Vistek is currently selling these machines for $3599 CDN (P7000) and $5649 CDN (P9000). This is low-to-mid four figures, not "five" as you state. It is comparable to the prices I paid for my Nikon D810 and D2Xs. I have always semi-regularly cleaned my own camera sensors despite the fact that Nikon does not intend me to do this and cleaning this way takes a camera out of warranty. I further believe that I am not alone in doing this. Changing the wiper blade is comparable to cleaning a camera sensor, perhaps even easier and certainly less risky.

2. I believe many people have changed their own wiper blades with the 7900. There was (is) a famous thread on this very website in which many people discussed doing their own maintenance; one of the extraordinarily helpful people in this thread, Eric, even created a video showing how to change the wiper blade. And the point is, changing the wiper blade is not like doing head replacement surgery; it is a fast, easy, and low risk maintenance task.

3. Having Epson change a wiper blade for me is going to cost several hundred dollars and perhaps more importantly take my printer offline for at least several days. This for a five minute, low risk task using a $25 part if I do it. I would prefer not to incur these costs in time and money. Again this is like my decision to do my own sensor cleaning with my camera; I could send it away to Nikon for them to do it, but at a cost. As someone who depends on my printer to work properly every day, having to shut down the printer and wait an uncertain amount of time for Epson to come out is something I would prefer to avoid.

4. The widebed print people whose operational methodologies I have observed in the past always did their own basic maintenance; not necessarily the complicated or risky stuff, but always the simple, low risk, high impact stuff. Admittedly I have not known a lot of such "professionals" but I respected them for keeping a high quality operation going. Again this is like many dedicated camera owners who do their own sensor cleaning rather than send it away and wait idly while someone else to does it.

Please note that I am not saying you are wrong to prefer to have Epson change your wiper blade and other basic maintenance tasks. I am only saying that it is perfectly reasonable to have a different opinion. I will also be surprised if your opinion represents the majority in this forum, given the previous willingness of many 7900 owners to do such things, as I have described above.

No intended tone, just a factual statement.  You're looking for information, so I was looking to present some and to let you draw your own conclusions based on the sum of all the information you collect.  That's still my intent, not tone :-)

Most people who post here aren't even vaguely close to most people who use the machines.  It's ever the case on the net, and the majority of people who bother to post are those who have had issues, so the sample group is generally poor as a representation of the wider user base.

1. We're not all North American, and most people invest in a system, rather than just a single printer, and I was a little broad in my comment as I was thinking of the wider range of products across various ink technologies as well, which did take us off the path a bit.  Even at mid to high 4 figures with a total system investment, doing something (particularly during the warranty period) which you are not trained to do, do not have the specific tools and utilities to do, is not something for everyone.  The new machines, too, have new heads, so a direct comparison to the *900 series may not be applicable.  You've already noted that you can't just move the head out in the same way.  I simply suggest caution and consider the real value to the business of a few hundred dollars to have a tech preventatively maintain your unit, compared to the risk of doing it yourself.  You might be a very well trained technician, but most people aren't.  Also, if it's done preventatively, there's little reason your machine should be down for more than an hour or so.

2. Many people have, but most don't.  The choice is yours.  Some people do their own plumbing or service their own cars.  Most businesses, though, engage other professionals to do that work and instead focus on their core competencies to generate revenue.  If a professional that you engage gets it wrong, you have recourse to them and not so much if you get it wrong.  If you're a hobbyist, of course that might change the balance.

3. I think there's a misconception when you compare a wiper blade with a sensor cleaning.  There are levels of sensor cleaning.  The automated, the manually invoked but camera performed, and then physically doing it yourself.  The functionality is in the camera to gain access to do it and it's designed for it to be done.  In the case of the wiper blade, you're talking about replacing part of the cleaning mechanism, and you're missing the complete package, as it were.  That might be enough, which is great.  Again, the cost, I've already discussed that so I won't labour the point nor about the downtime.  I will say I understand your need to have it working every day, which to me says it's a critical piece of capital in your business and that's why I find it difficult to understand why you wouldn't make a small outlay to have a professional keep it at its peak, but if you've done your sums then only you can make that decision.

4.  Yes and no.  Do you mean solvent and dye sub?  Sure.  Dye sub mostly because they were bastardising machines to run the inks so they couldn't get manufacturer support and solvent because that was more akin to the big metal type press guys in the sense of who and how they were operating the machines.  When you move over to graphics, photo, proofing, CAD and that sort of thing, very few do their own maintenance.  Solvent is also changing as the units become more mainstream and wider in application, and even dye sub in some instances as more manufacturing support appears.

So, yeah, more opinion above but in response to your thoughts and points.  It's just information for you to use to make your final decision, but again, the reason you're not seeing a lot of people comment here about these units I believe is because most of them are not doing this themselves.

However you go, I hope it works out and you get great use out of your machine :-)

 on: May 26, 2017, 11:20:35 PM 
Started by colorforest - Last post by mackerrow
I have a new Canon ipf 8400 that I am finally unboxing and setting up in my studio.  My plan is to set it up on top of heavy duty flat surface and forego using the printer stand.  Does anyone see any issues in doing this?  (mainly going this route to save space).  Thanks!

 on: May 26, 2017, 10:59:41 PM 
Started by Michael Erlewine - Last post by BernardLanguillier
Canon has some very good lenses, but as far as I am concerned for all the lenses that matter Nikon has the upper hand:

- 19mm T/S
- 24-70mm f2.8 for which VR is a game changer
- 70-200mm f2.8 where the Nikon is IMHO the best zoom kens ever designed
- 105mm f1.4 that is the king of portait lenses in terms of look and technical perfection
- compact 300mm f4 PF
- all the super teles except the 200-400mm f4
- all the compact f1.8 primes

Those are not impressions, those are factual.

As a result I have a hard time seeing how Canon could be considered ahead, but I am willing to listen . ;)


 on: May 26, 2017, 10:03:41 PM 
Started by RSL - Last post by Farmer
And that, my friend, is exactly the problem.

No, the problem is that you're not directing them to ask that question when you tell them "it sucks" or, since you don't really do that literally, when you say nothing.

Having all the wisdom in the world is worth nought if you keep it all to yourself.

 on: May 26, 2017, 09:43:00 PM 
Started by aboudd - Last post by aboudd
Thanks D White, and everyone else for your comments, they have been very helpful.

This is subjective of course, mel the Leica is a fine travel camera. In hand it feels a bit heavier than a pro DSLR, but the balance is good. I have taken it to Hawaii, Israel and shot images around D.C. for my book and got great images with it. The Leica S sensor is fabulous and with a bit over 20% more pixels than the Canon 5D4 its image quality tops the Canon. I also make large prints up to 60 inches, so again, the larger sensor is an advantage.

I am only taking two lenses with the Leica, the 35 and the 70, so that bag is quite manageable. The second bag will have the Canon, the 17MM TSE for ultra wide shots in case I get in an ice cave or another tight spot. I'll also have the 40 pancake for street shooting. For me, who usually goes on assignment with large kits, lighting and stands,  this is like taking a point and shoot.

 on: May 26, 2017, 09:17:42 PM 
Started by Michael Erlewine - Last post by MeCruncher
Here is another shot with more space.

 on: May 26, 2017, 08:45:49 PM 
Started by Chris Calohan - Last post by kers
beauty full

 on: May 26, 2017, 08:37:40 PM 
Started by Kevin Raber - Last post by Eric Myrvaagnes
I'd like to see a permanent link to the Founder's Page on LULA's home page.  Front and center . . .

I agree.

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