Menu

Show posts

This section allows you to view all posts made by this member. Note that you can only see posts made in areas you currently have access to.

Show posts Menu

Messages - bart

#26
Forum and Website / Re: Avast! Trojan detected
August 19, 2013, 02:14:30 PM
Quote from: nanomad on August 19, 2013, 12:25:25 PM
Cleaned now :D

Anyway, we are hopefully launching a joomla-less homepage in the next days so stay tuned :)

Good to know that things will happen to the frontpage
#27
Share Your Photos / Re: Focus Stack + 3D effect
August 15, 2013, 09:03:17 AM
Very nice work Spider. This angle also looks perfect with no overlap in details, like visible legs through the wings.
#28
Quote from: 1% on August 13, 2013, 05:59:48 PM
600D, its not perfect. I saw some artifacts.

http://www.filedropper.com/600ddualiso

This one works pretty well. Very nice work!
#29
With all respect, what do you expect from a "compile it yourself" restricted nerd area? This guide and contributions from other video related blogs fill a gap and make this amazing technology accessible for a broader public that is more involved in film making than gathering deep technological insights in equipment and software.
Of course it would be great to have it for free, but $20 is fine by me too.

If you think the ML community should provide these things then don't rely on devs, admins and moderators. They have their hands full. Instead start a documentation team and just use the public wiki or write some nice article drafts and share them in the forum. With the help of others it can be made ready to publish. If you don't have all the facts, just ask in the forum. Just start writing and i'm sure the team will look over your shoulders to keep the facts right. Magiclantern.fm has the platform and tools available. Everyone can contribute in this great manner and help each other out. If you want to donate, hire yourself for documentation writing.

UPDATE
Quote from: dlrpgmsvc on June 18, 2013, 02:18:43 PM
Let's start, boys  --> http://www.magiclantern.fm/forum/index.php?topic=6594.0    8)

Yes that's the spirit, good initiative.
#30
Yes I see that now.  And I see RenatoPhoto, squig and you are doing a fine job with forum maintenance and build testing. Very nice.
#31
@audionut

Very nice info. Why not make a frontpage article from this nice info and show this great new feature to the public. I can help you with that if needed.
#32
Share Your Videos / Re: Paris Hyperlapse
May 14, 2013, 11:32:01 AM
I love the 3D motion with the pyramids in shot 1:53. Very nice and inspiring!
#33
Wow amazing work guys! Well done!

In my opinion the video quality was the key short coming of the Canon DSLRs and now that limitation is totally gone. Magic Lantern is an amazing product, but in the end it's the video result that counts. I use a GH2 at times for its nice video quality but I miss so many ML features. Raw video puts 5D3 back on the map and a model to be desired. This would indeed make HDR video obsolete now and opens up so much more possibilities. And now the L and Cinema glass will finally show their full potential.

Greetings and good luck to you all
#34
Feature Requests / Re: [DONE] Camera trap trigger
March 12, 2013, 12:24:07 PM
Quote from: Dunc101
Hi,

As promised here is some of videos using ML camera trap settings.
http://youtu.be/4rxONK0cOW8

cheers

D

WoW great shots. Also very nice shots of the Clouded Leopard. What a beauty!
I assume the resolution to be a bit crippled for copyright purposes, because I get similar results with my Bushnell Trophy HD camera.
#35
I suspect the original preset enables lossless trimming and useful for archiving messy footage. File size and visible quality appear lossless.
Under windows 8 x64 the drag&drop fails but you can load files from the file menu.
#36
General Help Q&A / Re: Stack Focus
January 18, 2013, 02:41:45 PM
In my experience only my Canon EF 100mm macro with USM works great. Very accurate step registration and reproduction.
I tried EF 50mm 1.8 and Tokina 400 5.6 and they didn't reach the preset endpoint.  I hear it's the USM type lenses that work work great.  Maybe others too.
#37
One small addition.
Cropzoom is like post cropping a photo. So in terms of DOF a 200mm f2.8 doesn't turn into a 660mm f2.8. You do get the same angle, but maintain the DOF that comes with the 200mm f2.8 at full frame and a certain distance to the subject. Things like cropzoom, cropfactor and a teleconverter just take a smaller portion of the fullframe image, but maintain the exact same DOF.

An obvious purpose of using cropzoom is to get a subject bigger in frame at a certain distance. But the smaller lenses can't maintain a DOF to separate a subject from the background even with open apertures. So it's use has it's limitations there. For macro work it is the opposite and the benefits are huge. You either get a much bigger DOF at small distances than with a macrolens or get a much bigger working distance or a little of both.
#38
Share Your Videos / Re: funny wedding movie
December 18, 2012, 09:24:24 AM
Nice work! I like the way you both kept it intimate on locations that are not easy to shoot in. The use of vignetting is a valid choice for some scenes.
#39
Great work.

Another option for the ML menu is putting it behind the MENU button. Add a first item "goto Canon menu"
#40
Nice one Malcolm and material for "one day on earth".
#41
General Chat / Re: Digital Video Crop Mode
December 11, 2012, 08:32:46 PM
I think the 600d cropzoom is done from the center, but I can't confirm it is truly 1920x1080.
They probably did the same as with normal 600D resolution, 1620 upsize to 1920.

I read somewhere that pancake lenses might work great with filming through the spotting scope.
So maybe EOS M 22mm or lumix 20mm/14mm might get good results and are compact as well.

I want to try that out somewhere.
My friend has a Leica spotting scope.

About the 5d3 cropzoom. I don't know current status.
#42
General Chat / Re: Digital Video Crop Mode
December 07, 2012, 11:29:55 PM
Hi

Nice work. Here are some examples of closeups with 600D + 400mm + kenko 1.4x and with or without cropzoom. If I calculate right it's 1.6 x 400 x 1.4 x 3.3 = near 3000mm



filming and photographing birds isn't easy. Most people in the Netherlands choose to use hides to get close to birds. Some build their own hides others use their car as hide.
http://www.birdpix.nl/portal.php?language=english

In jungle it is even harder with very strong contrasts, birds up high in the canopy or hidden between leaves. I have some experiences from India, Nepal, Indonesia, Thailand and Kenya. I plan to go to South America this summer. And we looked into Pantanal. At this point Venezuela looks more attractive with more variety in landscape and also cheaper. Here the Amazon and Andes come together. But I am still researching the options.

About the reach that keeps being a problem. Teleconvertors work as cropping so an option is to go with a super high resolution sensor and do some serious cropping in post. A Nikon D800 might work. Another option is to digiscope, photographing and video through your telescope. My friend does that a lot but you have to find a camera that fits your scope perfectly otherwise you deal with vignetting. Another friend has a Swarovski spotting scope with a dedicated DSLR adapter and that works very well but is expensive. It does takes Canon DSLRS and you can use focus peaking from ML. There are cheaper options but I don't know what scope you have.
#43
General Chat / Re: Digital Video Crop Mode
December 07, 2012, 01:11:52 PM
Hi Welcome to the forum,

Great a fellow bird video shooter. In video terms inferiority of the 600d(t3i) is questionable. I'm happy to share my experiences.

Advantages over the 5d3 are:
- 1.6x crop factor, comparable to a 1.6x converter without the light loss but you maintain the DOF from the lens.
- 3.3x cropzoom insane zoom on a 400mm+1.4x TC but also serious quality loss and recording more atmospheric disturbances like heat waves.
- movable lcd screen for comfortable low angle shooting at bird eye level.

Advantages 5d3 over 600d
- no aliasing on fine feather patterns, though the 600d cropzoom has no aliasing but also softens details.
- weather sealing although 600d turns out to be very touch.

I'm trying out a new strategy soon.
A Panasonic GH2 (maybe GH3 later) combined with a manual Nikon 400mm F3.5 and adapter. I expect the Panasonic ex tele to give me much better end results due to the video resolution that is better preserved. But I have yet to find out. You can also use canon fd 500mm 4.5 or 400mm f2.8 + adapter if you are serious about video. They come with an aperture ring and more accurate MF ring.

Remember sensor cropping and cropzooms, TC are just like post photo crop. You keep the same DOF from the lens MM, distance to subject and chosen aperture, but zoom in on the center of the sensor. If your lens suffers from chromatic aberrations, these will be more pronounced. It looks like you can film birds from a bigger distance but you need many MM and a huge aperture to get shallow DOF at that distance and separate the bird from the background. In researching what tele lens would fit best I made a table with lenstype related to aperture and distance.


Based on 600D
        DOF in Meters (http://www.dofmaster.com/dofjs.html)
   lens          5m     10m    20m   30m     50m   100m   200m
   400mm f5.6   0,03   0,13   0,53   1,19   3,34   13,4   54,6
   300mm f2.8   0,03   0,12   0,47   1,06   2,97   11,9   48,2

   400mm f3.5   0,02   0,08   0,31   0,71   1,98   7,97   33,2
   500mm f4.5   0,02   0,06   0,27   0,60   1,69   6,80   27,4
   400mm f2.8   0,02   0,06   0,26   0,60   1,67   6,70   26,9

   600mm f4.0   0,01   0,04   0,16   0,37   1,04   4,20   16,9
   800mm f5.6   0,01   0,03   0,13   0,30   0,83   3,33   13,4


As you see from the table. There are about 3 categories of lenses that offer similar DOF at a certain distance to the subject.
Now it really depends on how much you want to carry or if you are a hide shooter and the amount of crop you could achieve and the price you want to pay for a decent lens. I was surprised that the 300mm f2.8 had the exact same DOF as a 400mm f5.6 at a certain distance to the subject. The 400mm does magnify a little bit more but that can be compensated by using crop factor/zoom.
You also see that the more distance to the subject the DOF increased exponential. Look at the difference between 400 5.6 and 800 5.6. They follow the same DOF pattern but with double distance. So a 400mm 5.6 has the same dof at 50m as the 800mm at 100m. At those distances the differences DOF differences are pretty great.

If the gh2/nikon combo doesn't turn out to be great in results, I would jump back to 600D with the far superb control over focus and exposure that ML provides. And I will seriously miss focus peaking.
#45
Share Your Photos / Re: Nighttime HDR
November 30, 2012, 11:46:48 AM
Nice work and finally someone from Flickr so I can add them to the ML gallery
#46
Archived porting threads / Re: EOS M
November 26, 2012, 09:05:32 AM
Wow great job!
That was fast.
#47
Nice work added to the ML Cinema, Thanks for sharing
#48
Share Your Photos / Re: HDR: Stairs that need painting
November 11, 2012, 04:55:56 PM
Very nice use of HDR. Quote from that dude from Digitalrev: "This one doesn't look like radioactive vomit"
#49
General Help Q&A / Re: Stack Focus
November 07, 2012, 04:40:41 PM
Quote from: b4rt on November 05, 2012, 08:09:35 PM
Hi,

Yes that works. I normally use play instead of snap with a start delay of 5 seconds to wait until the camera is back in rest.

To cover a range of 44 steps divided by 10 means 5 photos

1,11,21,31,41,44

I thought about it and maybe it's better to set number of photos instead of stepsize 10+ for better spreading.

So 44steps and 5 photos would calculate stepsize 9
1,10,19,28,37,44
#50
Hi Thanks for showing these.

I have a question about the HDR video. I think it can be executed better. The contrast in this situation is not that huge that HDR is required unless you want to capture more cloud detail. If so the dark exposure should be the light exposure and the the dark exposure should be darker to capture more cloud detail.

If you enable both over- and underexposed zebras and set exposure at a point where no zebras occur then there is no need for HDR video. You already have all information available in the scene.