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Messages - TLau74

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1
6D Sample Images / Re: Anything shot with a 6D
« on: October 26, 2014, 08:41:00 AM »

Temp: 5150 --> 5450
Tint +7
Exp. +0.95
Contrast +29
Highlights -83
Shadow +67
Whites -57
Blacks +19
Clarity +29
Vibrance +12
Sat. +5
and
Sharpening to 62

From what I can see, the image itself does not show any banding.

well, try to do the time-lapse without editing the images, is there a difference?

Tried to make the time lapse video with the unedited jpegs (converted from raw) and the video still came out with the bands.  Again, most notable while the sun is near the horizon.  I am puzzled.  Is this caused by the raw to jpeg conversion?  Or is this a lens effect from the Samyang 14mm?

2
Lenses / Re: 70-200 2.8 II or 100 2.8L and 135 2 and 200 2.8
« on: October 23, 2014, 05:06:30 AM »
I'm not sure if this is the right place to ask but I heard there were still some issues with the 70-200mm F2.8L II IS.  For example, the lens does not mount tight against the body.  Some owners experience some 'play' if the lens is gently twisted back and forth against the body.  There were complaints that some of the lenses were not  sharp compared to other 70-200 ... possible quality control issue with Canon(?).  Does anyone know if these issues have been resolved?  Are these issues a real concern?

I am also looking into purchasing the 70-200 F2.8L II but the shops here does not allow us to open the boxes to test the lens.  If you want to open the box, you need to buy it.  If you have problems, send it back to Canon.  This is what they tell me.  It would be nice to spend >$2200 on a lens and not have to worry about 'potential' problems.  I guess it depends on your luck!

3
6D Sample Images / Re: Anything shot with a 6D
« on: October 21, 2014, 11:43:59 AM »
Hi all,
I would appreciate it if I could get some critique on my 1st sunset time lapse I created.  Please give your honest opinions on the composition, technique used in the post-processing and others.  Sorry I did not overlay any music to this because I have no experience finding and choosing the most 'fitting' music.

Here is the link to the video on Flickr:https://www.flickr.com/photos/31505768@N08/14971955593/

Camera used:
-Canon 6D with Samyang 14mm UWA lens.
- Shot using AV mode at ISO100 @ F4
- Shot with 10s interval between frames
- Approx. 2hrs shooting to achieve ~30s of footage (@24fps)

Here is my processing flow:
- Imported to LR5 with normal adjustments (no grad. filter used in LR5)
- Exported to JPEG @100% quality.
-Then using GBDeflicker (v. 2.4.17.0) to deflicker and smooth out each frame.
    > # Smoothing frames = 20
- Output image width of 2048 pixel (maximum) as mp4 @ 24fps
 
Question I have is in the video, you see some banding (?not sure if this is the correct term?) occurring in the sky as the sun is setting near the horizon.  Does anyone know where this comes from?  How can I fix this?  What is the best way/ tool to add music to the video?  Also any other suggestion to improve my process flow would be appreciated. 

Thanks in advance!

Thomas.

What are the normal adjustments you made to the images? could be caused by contrast differences enhanced with color/clarity/contrast changes.


Temp: 5150 --> 5450
Tint +7
Exp. +0.95
Contrast +29
Highlights -83
Shadow +67
Whites -57
Blacks +19
Clarity +29
Vibrance +12
Sat. +5
and
Sharpening to 62

From what I can see, the image itself does not show any banding.

4
6D Sample Images / Re: Anything shot with a 6D
« on: October 21, 2014, 10:02:27 AM »
Hi all,
I would appreciate it if I could get some critique on my 1st sunset time lapse I created.  Please give your honest opinions on the composition, technique used in the post-processing and others.  Sorry I did not overlay any music to this because I have no experience finding and choosing the most 'fitting' music.

Here is the link to the video on Flickr:https://www.flickr.com/photos/31505768@N08/14971955593/

Camera used:
-Canon 6D with Samyang 14mm UWA lens.
- Shot using AV mode at ISO100 @ F4
- Shot with 10s interval between frames
- Approx. 2hrs shooting to achieve ~30s of footage (@24fps)

Here is my processing flow:
- Imported to LR5 with normal adjustments (no grad. filter used in LR5)
- Exported to JPEG @100% quality.
-Then using GBDeflicker (v. 2.4.17.0) to deflicker and smooth out each frame.
    > # Smoothing frames = 20
- Output image width of 2048 pixel (maximum) as mp4 @ 24fps
 
Question I have is in the video, you see some banding (?not sure if this is the correct term?) occurring in the sky as the sun is setting near the horizon.  Does anyone know where this comes from?  How can I fix this?  What is the best way/ tool to add music to the video?  Also any other suggestion to improve my process flow would be appreciated. 

Thanks in advance!

Thomas.

5
Landscape / Re: Moon photos
« on: September 03, 2014, 11:08:04 PM »
How does the AutoStakkert!2 compare to DeepSkyStacker or StarStaX?  Is the AutoStakkert!2 similar principle as the others but used for uncompressed videos only?

6
Pricewatch Deals / Re: Rokinon/Samyang 14mm f/2.8 $275
« on: January 28, 2014, 12:01:24 AM »
I just purchased my in Korea 2 months ago.  You can check out the thread here:
http://www.canonrumors.com/forum/index.php?topic=17252.msg343457#msg343457

I (had a colleague) contacted Samyang Optics directly and they confirmed the version I purchased is the latest one, with updated red ring.  But the model number listed in Buydig (ebay) is different...

7
Portrait / Re: Bikini on the beach
« on: January 14, 2014, 07:43:24 PM »
Here are some of my candid shots while vacationing in Thailand over the Christmas holidays.  Shot in Koh Larn island with Canon 6D, 24~105mm F4 IS.  My favorite is the last one IMG_191-2.

You've found the strengths of the 24-105. With these types of shot it really works well, from good centre sharpness to a pleasant bokeh.

Think the first one is hilarious. Not to self: if my daughters go up to the bar in a bikini like that make sure they put high heels on first.  ;D

The 24~105mm is the only 'walk around' lens I have and it does quite well for it's purpose!  All of these shots were heavily cropped to remove garbage, lawn chairs, people's head etc.  I was quite pleased with the results.

I don't have a daughter, I have a 9 yr-old son, but I am surprised if any father would let their daughters walk around in a bikini like that ;D.

8
Portrait / Re: Bikini on the beach
« on: January 14, 2014, 07:00:25 AM »
Here are some of my candid shots while vacationing in Thailand over the Christmas holidays.  Shot in Koh Larn island with Canon 6D, 24~105mm F4 IS.  My favorite is the last one IMG_191-2.

9
Reviews / Re: Rokinon 14mm f/2.8 Wide Angle Review
« on: January 10, 2014, 10:48:39 AM »
Just finished chipping my 14mm with a Canon EMF AF chip :)

I had to make a spacer to get the chip's contacts to the correct height, but after that installation and configuration was very easy.

Works like a charm! Very handy to have aperture and focal length data in EXIF. AF confirm and AF adjust also works, but because the DOF is so large there is quite a lot of margin. Live-view x10 works better :)

I find the focus ring a but spongy, there seems to be a bit of a dead area before it catches and changes focus, is that normal?

I also made a spacer, much in the same way. No complaints about my focus ring, it operates smoothly not spongy.

I chipped mine also (it came with the spacer).  And my focus ring is not spongy at all.  Operates nicely.

May I ask where you obtained the chip?

10
Reviews / Re: Rokinon 14mm f/2.8 Wide Angle Review
« on: January 05, 2014, 10:48:20 AM »
Not sure if this is the right thread for this...

Here is my 1st attempt at star trails. The composition is not so good since my prime objective was to first get the star trails. Shot with Canon 6D, Samyang 14mm UWA lens @ ISO1600, F/4, 20s for combined 93 shots, stacked with StarStaX. Actually had to delete ~60 shots because I did not notice the lens was frosted up.  Outside temperature was approx. -1C near Daejeon, South Korea.

I pre-focused (Jupiter) in live view to achieve sharpest focus.  Surprisingly at F/4.0, the sharpest focus is set at the 'infinity' mark (hard stop) which is different than what I saw on my previous tests.  At F/2.8, I could not get sharpest focus because I would have to move the focus ring beyond infinity and this is of course not physically possible.

Open questions:
1) How could I prevent frost from forming on the lens during cold winter nights?
2) How can I get sharpest focus now at F/2.8?  Should I even consider shooting at F/2.8 anymore if F/4 is ok?

11
Reviews / Re: Rokinon 14mm f/2.8 Wide Angle Review
« on: December 07, 2013, 10:30:17 AM »
@Dustin
Thanks for the advice.  I did some test shots on the roof of our apartment.  I've tested at aperture f2.8 and f5.6 while varying the focusing distance between beyond infinity up to 1 meter.  The photos are uploaded to Flickr.  There are no extra sharpening or adjustment; only what ever was done during exporting from LR4 to Flickr.  All photos are handheld.

http://www.flickr.com/photos/31505768@N08/sets/72157638425870414/

Couple things I've noticed when looking at the apartment windows at the center of the picture:
- at f2.8, none of the pictures are sharp. 
- at f5.6, the sharpest is at 3m focusing distance
- at f4.0, the sharpest seems to be right at infinity mark but still not where as sharp as f5.6
- If I want to take stars at night, f2.8 could be a problem.  Should I continue to Now updated test at f4.0?
- How to I get sharper images at f2.8?  Is this possible?
- Am I doing something wrong?

I found a website that describes a solution to the focusing issue.

(emadeloc.blogspot.com.es/2013/01/brico-como-calibrar-el-enfoque-de-un.html)

I would assume most of the 14mm users in this forum have seen or even used this fix.  Has anyone try to fix the lens themselves?  I would like to hear your feedback.

What are your thoughts if I try this fix myself.  Does it look like I need it?  It seems easy enough even for an amateur like myself.

----------------------------------------------------------

I haven't tried to fix anything on mine.  I have just familiarized myself with where focus is for different applications, and my keeper rate is basically 100%.  My copy is sharp from wide open - you just need to be more careful with focus.  Live view is the best bet with wider aperture.


Thanks again for the advice from everyone.  Do you think I have a bad copy or it's just I haven't found the 'sweet spot' yet?  It seems like there is very little room for error when shooting wide open, maybe just a mm turn on the focus ring is enough.  I guess I need to play with it more and try smaller increments to get the right sharpness near and far.

BTW, I always enjoy looking at your photos.

12
Reviews / Re: Rokinon 14mm f/2.8 Wide Angle Review
« on: December 06, 2013, 08:51:24 PM »
@Dustin
Thanks for the advice.  I did some test shots on the roof of our apartment.  I've tested at aperture f2.8 and f5.6 while varying the focusing distance between beyond infinity up to 1 meter.  The photos are uploaded to Flickr.  There are no extra sharpening or adjustment; only what ever was done during exporting from LR4 to Flickr.  All photos are handheld.

http://www.flickr.com/photos/31505768@N08/sets/72157638425870414/

Couple things I've noticed when looking at the apartment windows at the center of the picture:
- at f2.8, none of the pictures are sharp. 
- at f5.6, the sharpest is at 3m focusing distance
- at f4.0, the sharpest seems to be right at infinity mark but still not where as sharp as f5.6
- If I want to take stars at night, f2.8 could be a problem.  Should I continue to Now updated test at f4.0?
- How to I get sharper images at f2.8?  Is this possible?
- Am I doing something wrong?

I found a website that describes a solution to the focusing issue.

(emadeloc.blogspot.com.es/2013/01/brico-como-calibrar-el-enfoque-de-un.html)

I would assume most of the 14mm users in this forum have seen or even used this fix.  Has anyone try to fix the lens themselves?  I would like to hear your feedback.

What are your thoughts if I try this fix myself.  Does it look like I need it?  It seems easy enough even for an amateur like myself.

----------------------------------------------------------
BTW, a colleague of my contacted Samyang Optics directly regarding the changes from the gold to red ring.  Here is there reply:
문의하신 14mm F2.8 렌즈는 Gold ring에서 Red ring으로 바뀌었으며 렌즈 성능에서는 동일합니다.
(단지 외관에서 Gold ring ==> Red ring으로 변경되었습니다.)

...Google translates
Gold ring 14mm F2.8 lenses, contact your Red ring of the lens performance, the revised and the same.
(Just look at Gold ring ==> Red ring has been changed.)

Basically, the new Samyang 14mm changed from gold ring to red ring and the function is same.
----------------------------------------------------------

13
Reviews / Re: Rokinon 14mm f/2.8 Wide Angle Review
« on: December 05, 2013, 10:29:35 AM »
Here's one from shashinki.com from Malaysia.

http://shashinki.com/shop/samyang-14mm-aspherical-canon-mount-pi-5874.html?image=2

The cine dslr version,

http://shashinki.com/shop/samyang-14mm-cine-vdslr-lens-canon-p-11323.html


@verysimplejason
My intention was to purchase the non-cine version.  But what makes my version interesting is:
1) red ring instead of the gold ring
2) Focusing ring (rubber grip) is the same as the non-cine version
3) There is no 'T' on my version to indicate the cine version
4) The numbers on the aperture is upright and not side ways like the cine version

Everything about this lens points to the normal Ultra Wide Angle lens for DSLR except for the red ring.

To my understanding, the biggest difference with the cine version is that it is declicked (aperture).  If yours has clearly defined aperture clicks, it is not the cine version.  More importantly - how are the photos?

The aperture is the clicking kind so that's a good sign.  It's night time in Korea so I will have to test it out on the weekend.  Plus, I will need to figure out how to use it properly.  Any advice on getting sharp images out of this lens?  Just wondering would you recommended to use this lens for the indoors?

14
Reviews / Re: Rokinon 14mm f/2.8 Wide Angle Review
« on: December 05, 2013, 06:36:25 AM »
Here's one from shashinki.com from Malaysia.

http://shashinki.com/shop/samyang-14mm-aspherical-canon-mount-pi-5874.html?image=2

The cine dslr version,

http://shashinki.com/shop/samyang-14mm-cine-vdslr-lens-canon-p-11323.html


@verysimplejason
My intention was to purchase the non-cine version.  But what makes my version interesting is:
1) red ring instead of the gold ring
2) Focusing ring (rubber grip) is the same as the non-cine version
3) There is no 'T' on my version to indicate the cine version
4) The numbers on the aperture is upright and not side ways like the cine version

Everything about this lens points to the normal Ultra Wide Angle lens for DSLR except for the red ring.

15
Reviews / Re: Rokinon 14mm f/2.8 Wide Angle Review
« on: December 05, 2013, 06:14:35 AM »
OK.  I took the plunge and bought the Samyang version through a reputable dealer in Korea (online).  When I opened the package, I was surprised to see a 'red' ring just above the aperture collar unlike the typical gold ring above the focus collar.  Everything on the box and on the lens says it is the 14mm f2.8 ED AS IS USM.  It's just that the red ring makes it looks like their new T-Cine lenses.  Is this their new 2013/14 design?  Anyone else seen this before?  Have a look at the pics and judge for yourselves.

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