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Messages - TWI by Dustin Abbott

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256
Third Party Lenses (Sigma, Tamron, etc.) / Re: Samyang 14mm f/2.8 IF ED UMC
« on: February 09, 2014, 09:01:34 AM »
From a recent trip to Kuala Lumpur.

That top shot is really killer.  Fabulous work!

Thanks Dustin, your advice regarding manual focusing on this thread was extremely useful!

Glad to hear it!

257
Reviews / Re: Rokinon 14mm f/2.8 Wide Angle Review
« on: February 09, 2014, 09:01:07 AM »
Speaking of distortion.  Someone sent me a link to my website of a great profile for Rokinon/Samyang.  It is "technically" for a D600, but does a fabulous job with all FF bodies.  I've been impressed by it in the last couple of days

http://www.svenstork.com/2013/10/02/rokinon-14mm-lightroom-lens-profile/

258
Reviews / Re: Rokinon 14mm f/2.8 Wide Angle Review
« on: February 09, 2014, 09:00:08 AM »
I was skeptical about this old school lens originally, but thanks Dustin for the nice review and beautiful shots, just pulled the trigger for this lens. :D Here is a shot I did yesterday evening. ISO 100, f22, 0.4 sec, 7 ft. C/C is welcome. Thanks.



Stylish shot.  You've used the distortion to your benefit here, and the textures are nice and crisp.

259
Photography Technique / Re: How (and Why) I Took the Shot #1: Overlook
« on: February 09, 2014, 08:58:21 AM »
Hi everyone!  I've been encouraged from multiple sources to start writing smaller pieces that tell the story of what was in my mind while shooting.  This first shot is a simple subject that tells a story.  Thought you might enjoy reading the piece if you are interested:

http://dustinabbott.net/2014/02/how-and-why-i-took-the-shot-1-overlook/

Thank you, Surapon.  Glad to share

Dear Dustin , my friend and my teacher.
I love your posts and your links, That make me learn your point of views and " How to " with your great knowledge of photography.
Thank you, Sir.
Surapon

261
Photography Technique / Re: How (and Why) I Took the Shot #1: Overlook
« on: February 08, 2014, 06:10:50 PM »
.
Yep, there's a lot of you in that image -- I saw it before I read a word.

I've done a lot of the kind of work you do, and I always see our brokenness. Yet, off in the distance is always that vague promise of something better. We are all broken people hoping for oneness.

Compositionally, I love the stacked horizontal lines -- and the dark/light contrasts between them.

Thanks for sharing this -- and I'll look forward to more of these.

Insightful and meaningful response.  Thank you.

262
Photography Technique / Re: How (and Why) I Took the Shot #1: Overlook
« on: February 08, 2014, 04:38:10 PM »
Great post Dustin.  I always enjoy your work.

Thank you.  That's very kind

263
Photography Technique / How (and Why) I Took the Shot #1: Overlook
« on: February 08, 2014, 03:25:52 PM »
Hi everyone!  I've been encouraged from multiple sources to start writing smaller pieces that tell the story of what was in my mind while shooting.  This first shot is a simple subject that tells a story.  Thought you might enjoy reading the piece if you are interested:

http://dustinabbott.net/2014/02/how-and-why-i-took-the-shot-1-overlook/

264
Third Party Lenses (Sigma, Tamron, etc.) / Re: Samyang 14mm f/2.8 IF ED UMC
« on: February 08, 2014, 03:23:30 PM »
From a recent trip to Kuala Lumpur.

That top shot is really killer.  Fabulous work!

265
Third Party Manufacturers / Re: In-Depth Review: Tamron 150-600 f/5-6.3 VC
« on: February 08, 2014, 03:20:56 PM »
Mine arrived yesterday and my initial impression is that It's well worth the money. It handles well and fits nicely on the 70d. Really big lenses dont match well with a smaller body like that but this one seems just right.The IQ is what I expected,  really good to 400 and good to 600 same thing for the af.  I think the sigma 120-300 with the canon tc's is still better but this lens is 1/2 the weight and less than 1/3rd the price (1/4th if you add the cost of the converters) if you are looking for a packable high quality long zoom with an attractive price then I don't see how you could do much better, I am very pleased so far.

...are you saying that the Sigma 120-300 is better than the tamron at 600 ie  600/5.6  - or 600/8?

Yes, I read that review which is not very complimetary. That goes against most other reviews and my own experience with the lens. I also looked at a lot of samples with this lens and the sigma 2x converter and by all accounts the new lens did not perform as well as the lens it replaced  which is odd because the new lens is sharper.
I decided to try it with the promaster, kenko, and canon tc's. The kenko and canon 1.4x work really well. The kenko/promaster 2x is sharp but it has metering problems. The canon 2xiii gives much better results than what I saw from the sigma 2x samples?

From using both the sigma and tamron lenses I would say that using the bare lens the sigma is hands down better and its f2.8
Using the canon 1.4xiii or kenko 1.4x the sigma is better and its f/4 420
Using the canon 2xiii the sigma and tamron are pretty close and that's a plus for the tamron in cost and weight.
I still think the sigma with the canon 2xiii gives better results at 600 but its not a huge difference.



My benchmark is the 300mm f/2.8 II +TCs, and I'll compare it with the Tammy when I return on Monday and open my Tammy parcel, which was delivered yesterday. According to TDP, the Sigma with 1.4xTC at 420 stopped down to 5.6 looks as good as the Canon +1.4xTC at 420 and f/4, which is really very good. At 600mm with 2xTC, the Sigma has to be stopped down to f/11 to rival the Canon at f/5.6. If the Tammy at f/8 or f/11 at 600 is as good as the Canon at 600, I will be overjoyed.

The Tammy is meant to be for me a lighter lens for travel and when I need a zoom. The Sigma with the TC weighs about 3.7 kg compared with 1.9 for the Tammy. And is not an alternative.

420 f/5.6 vs f/4
http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=844&Camera=453&Sample=0&FLI=6&API=3&LensComp=739&CameraComp=453&SampleComp=0&FLIComp=1&APIComp=1

600 f/11 vs f/5.6
http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=844&Camera=453&Sample=0&FLI=7&API=5&LensComp=739&CameraComp=453&SampleComp=0&FLIComp=2&APIComp=2

Wow, that combo must be pretty hefty.  The Tamron isn't particularly light, but is literally half the weight.

266
Third Party Manufacturers / Re: In-Depth Review: Tamron 150-600 f/5-6.3 VC
« on: February 07, 2014, 05:58:51 PM »
Here's a close-up of a boar's face.  It has been processed, and purposefully slightly oversharpened to emphasize the bristle texture.



May I enquire what was the focal length/aperture of that photo?

Off the top of my head, I believe it was 329mm and f/8.  DOF is still pretty narrow at that distance (about 15 feet).

267
Third Party Manufacturers / Re: In-Depth Review: Tamron 150-600 f/5-6.3 VC
« on: February 07, 2014, 02:00:06 PM »
Here's a close-up of a boar's face.  It has been processed, and purposefully slightly oversharpened to emphasize the bristle texture.


268
So is this a fault Tamron have addressed with newer batches?

I actually don't know that for certain, but I haven't heard anyone complain about this issue recently.  I assume that they have corrected it.

269
Regardless of the warranty and customer care after purchase. A product should work as described out of the box, not need to be sent back as soon as you purchase for an updated chip to be installed to stop it draining the battery. A lens that is not a perfect match for your camera is fairly normal which is why there is AFMA. Apples and oranges.

Perhaps you should have a look at this now 14 page thread:  http://www.canonrumors.com/forum/index.php?topic=15231.0;topicseen

I completely agree with you in theory, but having issues with a lens is hardly unique to third part manufacturers.  My lens was out of my hands and with Tamron for about 8 days.  It has worked flawlessly after the fix and has been my most used lens out of a kit of excellent lenses.  To each his own...

270
Third Party Manufacturers / Re: In-Depth Review: Tamron 150-600 f/5-6.3 VC
« on: February 06, 2014, 02:07:10 PM »
I have got the lens 2 days back and am initially happy. Basically I don't expect an  IQ equivalent to my 500 f4 . It is a very good lens for the budget. I opted for this because I am struggling with my old 100-400 over reach. Iq wise the new Tammy is almost as good as the 100-400 and the extra reach is welcome for a day to day use . The only thing I can complain is a little slower auto focus  when it is focused on the other end. Ev en with flying birds I feel OK with the lens. This is an example of the flying rock pigeon with the exif data....

Canon    EOS-1D X
06/02/2014 8:44:58 AM
Manual Exposure
1/2500
7.1
Evaluative Metering
ISO1000
TAMRON SP 150-600mm F/5-6.3 Di VC USD A011
600.0mm
RAW
Auto WB
AI Servo AF
Low-speed continuous shooting

Great feedback and a nice shot.

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