Re: [Lensfun-users] Latest Database Files For Windows Users
How often does that happen as these updates actually go back a few months now. On Mon, 12 Mar 2018, 09:41 Torsten Bronger, wrote: > Hallöchen! > > DeeMo Design writes: > > > It appears there is a problem then if that is supposed to be up to > > date as none of the Pentax profiles that Junkyardsparke recently > > made based on my submissions have been added to the Pentax entry. > > Highly probably this is because the changes have been made to GitHub > (used for the calibration work only) and not yet reviewed and merged > by me into the actual master branch of Sourceforge. > > Regards, > Torsten Bronger. > > -- > Torsten Bronger > > > > -- > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > ___ > Lensfun-users mailing list > Lensfun-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/lensfun-users > -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
[Lensfun-users] Fwd: In-camera correction
On 15 January 2018 at 20:18, Аl Воgnеr wrote: > Am Mon, 15 Jan 2018 15:33:30 +0100 > schrieb Thomas Stieler : > > > Am Montag, den 15.01.2018, 12:10 + schrieb DeeMo Design: > > > Might be worth listing which Pentax Lenses you have - I have > > > uploaded some lately - save you duplicating I'll confirm if I have > > > uploaded and images for that lens. > > > > Sounds like a good idea! > > > > I have theses lenses, which I didn't find in lensfun: > > > > * smc PENTAX-DA 17-70mm F4 AL [IF] SDM > > * HD PENTAX-DA 55-300mm F4.5-6.3 ED PLM WR RE > > * HD PENTAX-D FA 150-450mm F4.5-5.6 ED DC AW > > > > Did you upload data for one of these lenses? > > These lenses are in the git-version: > > HD PENTAX-DA 55-300mm F4-5.8 ED WR > smc Pentax-DA 55-300mm f/4-5.8 ED > smc Pentax-DA L 55-300mm f/4-5.8 ED > * - These three lenses are optically the same but have different CA due to different coating but the are not the same as the - HD PENTAX-DA 55-300mm F4.5-6.3 ED PLM WR RE - which was a total redesign.* > > I am looking for a configuration for the > > smc Pentax-DA 70mm f/2.4 with the K-1 in FF-Mode. > > Al > > > -- > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > ___ > Lensfun-users mailing list > Lensfun-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/lensfun-users > -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
Re: [Lensfun-users] In-camera correction
Just to clarify as a Pentax owner I can clarify - lens correction only applies to the JPEG not the RAW. Sometimes I shoot RAW+ with lens correction on just so I can compare how good the profile is vs the manufacturer correction on the jpeg. With Pentax RAW is RAW. On 15 January 2018 at 13:40, DeeMo Design wrote: > Just to clarify as a Pentax owner I can clarify - lens correction only > applies to the JPEG not the RAW. > > Sometimes I shoot RAW+ with lens correction on just so I can compare how > good the profile is vs the manufacturer collection. > > With Pentax RAW is RAW. > > www.deemo.co.uk > www.adviser-websites.co.uk > > *When replying to us it would be great if you could 'reply all' that > strange long email address you see in the cc field copies your email in to > our customer jobs system so you will get faster service and your job notes > can be seen by anyone working on it. (The email address is different for > each job so don't bother saving it in your address book)* > > On 15 January 2018 at 12:17, Roman Lebedev wrote: > >> On Mon, Jan 15, 2018 at 2:43 PM, Thomas Stieler >> wrote: >> > Hello! >> > >> > I'm considering to contribute correction data for some of my Pentax >> lenses, >> > which are not yet part of the lensfun database. >> > In the documentation on http://wilson.bronger.org/lens >> _calibration_tutorial/ >> > there is the following advice: >> > >> > Make sure that no corrections are applied by the camera (some models do >> this >> > even for RAWs) >> > >> > >> > This raises a question for me: >> Hm, does Pentax also does that, like Sony? >> >> > If the lensfun databases contains the right correction parameters for >> > uncorrected RAW files, what whould happen to photos processed both in >> camera >> > and in Darktable, wouldn't the corrections be applied twice and thus >> lead to >> > overcompensated results? >> > >> > Or does Darktable handle RAW with or without in-camera corrections >> > differently? >> In dt there is no special handling for that. So yes, if raws are not >> actually raws, but partially corrected, then they will be corrected again, >> if you have actually told dt to do that (the corrections are selectable) >> >> TBN, at most we would adjust defaults based on the flag. We would not >> straight up disable any particular correction just because the file >> seems to indicate that the correction has already been applied. >> >> But this is the wrong list for that i think.. >> >> > Best, >> > Thomas >> > >> > P.S. Maybe this doesn't apply to my camera (Pentax K-3), because I don't >> > know if the RAW files are modified by in-camera corrections, but the >> > question could still be relevant for others... >> > >> > -- >> > >> > Thomas Stieler >> Roman. >> >> > >> -- >> > Check out the vibrant tech community on one of the world's most >> > engaging tech sites, Slashdot.org! http://sdm.link/slashdot >> > ___ >> > Lensfun-users mailing list >> > Lensfun-users@lists.sourceforge.net >> > https://lists.sourceforge.net/lists/listinfo/lensfun-users >> > >> >> >> -- >> Check out the vibrant tech community on one of the world's most >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >> ___ >> Lensfun-users mailing list >> Lensfun-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/lensfun-users >> > > -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
Re: [Lensfun-users] Is lensfun still ongoing?
Hi Sebastian, Thanks for replying. I really appreciate it. Forgive my ignorance though, can I ask your role in the project? I am always happy to supply images - I am not up to speed enough though with the code etc. to do any calibrations. I am not 'inept' I can write HTML, PHP and a bit of java but I only work on windows. I would do calibrations if there were some good tutorials for Windows users (videos preferred), everything I've been able to find is based on linux and perl. There are now a huge number of windows users of the database and they could be useful. I only use two programs that use lensfun for their lens corrections - ACDsee Ultimate and Affinity Photo - updating both is simply a matter of dropping updated files and overwriting the ones in the current directory within the software as I think they both simply use the XML files and not "lensfun" itself, I assume this flexibility is why XML was chosen in the first place. The tarball is the ideal solution for windows users, a download page with archive and changelog being perfect but just a visible 'last updated' date would make a big difference. I would be happy to help with this I have space on one of my own servers (I have a very small webdesign sideline) and would be happy to host and update the zip/tarballs and changelog etc. if that would help though I appreciate it might just cause more confusion - including such a thing on sourceforge would probably be better. If I can help to give things a kickstart I would be happy to do so but as I said as a windows user I'd need some help in getting going. Many thanks John On 8 January 2018 at 13:03, wrote: > Hi John, > > One volunteer Junkyardsparkle did come back to me to say they didn't >> know and generally be very helpful so I submitted some images to try >> and help plug some gaps this gave me access to the github and I can >> see that since the 6th November 2017 nobody other than junkyardsparkle >> has picked up a calibration job - so this leads me to wondering is the >> project dead? >> > > The main development takes place at the Sourceforge repo: > https://sourceforge.net/p/lensfun/code/ci/master/tree/ > > There is still some activity, but calibrations may take some while until > they are done. A new release of Lensfun is on its way but unfortunately > quite a few changes in the library core were required and this still is > really challenging to finish for only two developers with few spare time. > > If it is it is a real shame and I hope someone picks it up, maybe one >> of the commercial entities that use it could buy it and move it >> forward in the longer term but for general users like myself it would >> be really helpful to know; >> >> * Is the tarball being updated/maintained? (an alert to the >> mailing >> list when it is would be very helpful) >> > > It was never meant as an official source for updates and as it is the > server from Torsten Bronger's calibration service only he can comment why > updates of the files failed. This is also the reason why the files are not > mentionened anywhere in the docs. > > * Is it worth continuing uploading calibration images? As if the >> project is stalled they will never make it through to us at the user >> end so perhaps we would be better off lokking for alternative >> software. >> > > Please be patient, AFAIk nothing will be lost, but it may take several > months from upload until the profile appears in the database. If anyone is > willing to help in the calibration process, feel free to contact > junkyardsparkle or Torsten. That's what the github repo is intended for. It > will regularly be merged into the Sourceforge master. > > Furthermore, if anyone is interested to help us with the development of > Lensfun in all areas, this support will be more than welcome! The database > update infrastructure and profiling process already improved a lot over the > last years and there are some really good starting points to automatize it. > Still, nothing is perfect and there's a lot of work left for volunteers. > > Sebastian > > -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
[Lensfun-users] Is lensfun still ongoing?
Hi All Before I start this message I want to 100% acknowledge that I know this project is run entirely by volunteers in their own time and therefore I have no right to expect anything. However, So that I can make informed decisions about which software to stick with or abandon I have to ask is this project still running? I queried on this list when I found it about two weeks ago to try and find out if the tarball at http://wilson.bronger.org/lensfun-db/version_1.tar.bz2 is being maintained for windows user to use for updates, but have still had no official response. One volunteer Junkyardsparkle did come back to me to say they didn't know and generally be very helpful so I submitted some images to try and help plug some gaps this gave me access to the github and I can see that since the 6th November 2017 nobody other than junkyardsparkle has picked up a calibration job - so this leads me to wondering is the project dead? If it is it is a real shame and I hope someone picks it up, maybe one of the commercial entities that use it could buy it and move it forward in the longer term but for general users like myself it would be really helpful to know; - Is the tarball being updated/maintained? (an alert to the mailing list when it is would be very helpful) - Is it worth continuing uploading calibration images? As if the project is stalled they will never make it through to us at the user end so perhaps we would be better off lokking for alternative software. Once again regardless of your responses, I thank the founders and all volunteers for the work done to date. -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
Re: [Lensfun-users] Latest Database Files For Windows Users
Thanks for the feedback. The submission I made us actually of an entirely different building that's walking distance from my home that I suddenly thought about yesterday. Sent from mobile I have big thumbs so sorry for for typos... I hope they were amusing and not offensive. 😀 On 2 Jan 2018 7:39 a.m., wrote: > > > On Sun, Dec 31, 2017, at 16:14, John J Bloomfield wrote: > > > > I'll shoot them all on FF (as I basic geometry makes me believe a FF > > calibration should be able to be applied to APSC - but the opposite isn't > > true) even though some are technically APSC lenses many do cover the > whole > > frame so are being commonly used. > > Yes, that's how it works. > > > > Might not be the 100% accurate name as displayed in exif but I have; > > > > > >- Pentax FA 77mm Ltd f1.8 > >- Pentax DFA 100mm f2.8 WR > >- Pentax DA 50mm f1.8 > >- Pentax DA 35mm f2.4 > >- Pentax FA 28-70mm f4 > >- Pentax DAL 18-50mm RE WR > >- Pentax DAL 50-200mm WR > >- Sigma 17-50 f2.8 > > I think there may be a Pentax lens or two in the backlog for calibration, > unfortunately when I went to take a look today the server holding the files > (including your recent upload) wasn't responding; I contacted Torsten > Bronger, the owner, and hopefully it will be up and running soon. > > > I have spotted a couple of other buildings that should do for the job > too. > > > > 1. - Is this Asda Store > > 2. - University building > > The second one, assuming you can reasonably loiter there without > attracting negative attention, looks ideal... a grid like that is always > nice, even if not strictly needed. > > Otherwise, the important thing is at least one good, reliably straight > line of sufficient length to allow you to stay at a reasonable distance > even at wide angles. This line should be placed as close as possible to the > edge of the frame, and fully span it. Many uploaded pictures don't get the > line as close to the edge as they should, possibly due to differences > between the viewfinder and what the RAW actually captures, so this is one > issue to keep in mind. > > The importance of having a second line at 1/3 of the frame depends on the > complexity of the distortion; if it displays any divergence towards > "mustache" from simple barrel distortion, then this line is used for > additional correction. Since this can make finding and using a suitable > target more difficult, I've been thinking about the possibility of using > two images with the camera simply tilted to position the line differently > in each. I think this could be made to work, if need be. Also note that > it's ok to change distance for different focal lengths on a zoom to get the > best lines; the shots don't need to be taken from the same position. > > An additional consideration with crop lenses on full-frame bodies is to > ensure that the frame-edge line is visible at both ends despite any corner > shading the lens may produce. For TCA correction images, it would be good > if the corners are fairly sharp and retain as much contrast as possible, > even at the expense of the center of the frame being slightly less sharp > and/or overexposed. > > Hopefully that clarifies some of the criteria for good calibration shots. > It's also convenient if the uploader has a github account and can > communicate directly within the numbered "issues" that each upload > generates there, in the event that communication is needed. > > Oh, and for zooms, the ideal focal lengths (besides both ends of the > range) are the point where distortion changes from barrel to pincushion > (where applicable), and a few on either side of this, weighted towards the > wider end. Often, once the distortion changes to pincushion, it doesn't > change drastically over the rest of the range. > > I hope to have some time for working on profiles this week, knock on wood! > > -- > jys > > > -- > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > ___ > Lensfun-users mailing list > Lensfun-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/lensfun-users > -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
[Lensfun-users] Image submission to profile timescales.
Hi All Just a quick question. Approximately how long does it take from submitting images to a profile making it in to the database? Sent from mobile I have big thumbs so sorry for for typos... I hope they were amusing and not offensive. 😀 -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
Re: [Lensfun-users] Latest Database Files For Windows Users
Hi Jys, Thanks for the response - are you part of the dev team? I can see that the files are available but I am a working photographer rather than a techie so I hesitate to use those files. I use ACDsee and Affinity photo both of which rely on lensfun so I've only recently become aware of the database when a lens profile I needed wasn't available - but it was listed on lesnfun - it was actually really simple using that tarball to update the software. I have now though just upgraded to a Pentax K-1 and there are very few lens profiles available. I have a load of lenses so I was going to just drive down to a local retail park and shoot a set of calibration images for each - then hopefully they'll filter through to the tarball and I can update my software but from the thread where the tarball was first mentioned it is unclear if it was just an idea or if it is being maintained (and indeed how to tell when it is updated) I would really like to help strengthen the database with profiles for Pentax as it seems all the real competition for Adobe products rely on it and I don't really want to switch to Adobe - I like the stuff I use. (I do hope that they've donated to the project as they so clearly rely on it) Regards John www.deemo.co.uk www.adviser-websites.co.uk *When replying to us it would be great if you could 'reply all' that strange long email address you see in the cc field copies your email in to our customer jobs system so you will get faster service and your job notes can be seen by anyone working on it. (The email address is different for each job so don't bother saving it in your address book)* On 29 December 2017 at 23:31, wrote: > The files in that tarball seem to have been last updated almost two months > ago; I don't know what determines the schedule for that. The bleeding edge > database is available at the git repository: > > https://github.com/lensfun/lensfun/tree/master/data/db > > but there are a couple of caveats. The files are in "version 2" format, > which needs to be backported for versions of lensfun < 0.3 due to > restructuring. You would need to determine what version of lensfun your > software is using. The repository is also subject to possible errors and > subsequent corrections, so any use of it should probably include watching > the repository for commits. > > -- > jys > > > On Thu, Dec 28, 2017, at 06:22, John J Bloomfield wrote: > > Hi > > > > I use several windows programs that use the lensfun database and it is a > > simple job to manually update them. > > > > I did it a couple of months ago using the folder located at > > http://wilson.bronger.org/lensfun-db/version_1.tar.bz2 as mentioned in > one > > of the project mailing list archives > > > > But I am now wondering is that folder/file being updated or was it just > an > > idea that isn't being maintained? If it is being maintained perhaps it > > would be a good idea to make the link more obviously available? If it is > > not being maintained then how does one obtain the most up to date > database > > files for the purposes of updateing a windows program? > > > > Many Thanks for all your hard work. > > > > John > > > -- > > Check out the vibrant tech community on one of the world's most > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > ___ > > Lensfun-users mailing list > > Lensfun-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/lensfun-users > > > -- > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > ___ > Lensfun-users mailing list > Lensfun-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/lensfun-users > -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
[Lensfun-users] Latest Database Files For Windows Users
Hi I use several windows programs that use the lensfun database and it is a simple job to manually update them. I did it a couple of months ago using the folder located at http://wilson.bronger.org/lensfun-db/version_1.tar.bz2 as mentioned in one of the project mailing list archives But I am now wondering is that folder/file being updated or was it just an idea that isn't being maintained? If it is being maintained perhaps it would be a good idea to make the link more obviously available? If it is not being maintained then how does one obtain the most up to date database files for the purposes of updateing a windows program? Many Thanks for all your hard work. John -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
