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Thread started 04 Jun 2008 (Wednesday) 18:23
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Sigma APO 150-500mm F5-6.3 DG OS HSM - Bigmos

 
boufa
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Feb 13, 2013 20:25 |  #3151

khughes44 wrote in post #15607643 (external link)
Hoping for some criticism on this photo. All opinions welcome.

I like it. However, if you want feedback then it would look better if the subject was brighter than the background. This thread is not the right place for evaluation of images, except in relation to the lens. So to stay on topic, one of the best accessories that you can have for this lens is a better beamer flash extender. It throws a decent flash as lot further and makes a great fill flash on images like these.

I have found that with the flash on high speed sync you can leave it on, and if you are close enough, it helps, and if not, no harm done.


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khughes44
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Feb 13, 2013 22:28 |  #3152

boufa wrote in post #15607693 (external link)
I like it. However, if you want feedback then it would look better if the subject was brighter than the background. This thread is not the right place for evaluation of images, except in relation to the lens. So to stay on topic, one of the best accessories that you can have for this lens is a better beamer flash extender. It throws a decent flash as lot further and makes a great fill flash on images like these.

I have found that with the flash on high speed sync you can leave it on, and if you are close enough, it helps, and if not, no harm done.

Thank you. point taken on evaluation, although I did mean it in terms of the lens. Some discussion of sharpness etc. has taken place, and I meant my request in that context. I have not found the lens to be particularly sharp, although some of the photos here are excellent. Would you be happy with the sharpness of this picture?

Part of my problem is the constant darkness where I live. It is very grey for about 9 months of the year, and finding good light in which to shoot is rare. High ISO's are required; higher when stepping the lens down. I will look into a flash and a flash extender.




  
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boufa
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Feb 13, 2013 23:48 |  #3153

khughes44 wrote in post #15608124 (external link)
Thank you. point taken on evaluation, although I did mean it in terms of the lens. Some discussion of sharpness etc. has taken place, and I meant my request in that context. I have not found the lens to be particularly sharp, although some of the photos here are excellent. Would you be happy with the sharpness of this picture?

Part of my problem is the constant darkness where I live. It is very grey for about 9 months of the year, and finding good light in which to shoot is rare. High ISO's are required; higher when stepping the lens down. I will look into a flash and a flash extender.

For the record, I had no problem with your request for critique. I was trying to keep my comments on topic, that's all I ment. I am also on mobile so I cannot really evaluate quality. As for dark, I have similar issues. The other place that this lens struggles is under heavy canopy. I tried shooting warblers during spring migration. It did okay, however it did struggle from time to time. I never considered a flash with this lens, but have since learned it's value.


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khughes44
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Feb 13, 2013 23:56 |  #3154

boufa wrote in post #15608328 (external link)
For the record, I had no problem with your request for critique. I was trying to keep my comments on topic, that's all I ment. I am also on mobile so I cannot really evaluate quality. As for dark, I have similar issues. The other place that this lens struggles is under heavy canopy. I tried shooting warblers during spring migration. It did okay, however it did struggle from time to time. I never considered a flash with this lens, but have since learned it's value.

Ok Kevin, we're good. I appreciate your feedback. I am about to pull the trigger (so to speak) on a Yongnuo 568 and a Better Beamer. Then I'll be able to use Bigmos while trudging through the woods, and trudging through Vancouver too.




  
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DreDaze
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Feb 14, 2013 02:11 |  #3155

khughes44 wrote in post #15608124 (external link)
Thank you. point taken on evaluation, although I did mean it in terms of the lens. Some discussion of sharpness etc. has taken place, and I meant my request in that context. I have not found the lens to be particularly sharp, although some of the photos here are excellent. Would you be happy with the sharpness of this picture?

Part of my problem is the constant darkness where I live. It is very grey for about 9 months of the year, and finding good light in which to shoot is rare. High ISO's are required; higher when stepping the lens down. I will look into a flash and a flash extender.

nobody will be able to tell how sharp your shot is based off of an image of that size...

http://www.juzaphoto.c​om/article.php?l=en&ar​ticle=10 (external link)


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dfbovey
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Feb 14, 2013 08:59 |  #3156

It looks like you picked up some motion blur on that heron shot, which makes it look a bit soft. What was your shutter speed?


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khughes44
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Feb 14, 2013 17:10 |  #3157

dfbovey wrote in post #15609155 (external link)
It looks like you picked up some motion blur on that heron shot, which makes it look a bit soft. What was your shutter speed?

1/160, F8, ISO 1600.

I'll learn how to post from flickr and include the exif data. Sorry for the hassle.




  
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DreDaze
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Feb 14, 2013 17:30 |  #3158

khughes44 wrote in post #15610766 (external link)
1/160, F8, ISO 1600.

I'll learn how to post from flickr and include the exif data. Sorry for the hassle.

the exif data was there on your shot.


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vmlopes
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Feb 15, 2013 02:20 |  #3159

khughes44 wrote in post #15610766 (external link)
1/160, F8, ISO 1600.

I'll learn how to post from flickr and include the exif data. Sorry for the hassle.

1/160 is a bit slow and would equate to either motion blur or potential camera shake.....u really need to up this a bit for wildlife


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dfbovey
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Feb 15, 2013 12:10 |  #3160

khughes44 wrote in post #15610766 (external link)
1/160, F8, ISO 1600.

I'll learn how to post from flickr and include the exif data. Sorry for the hassle.

When I view from work I don't have an exif reader. Not your fault.

But to the point, that's a really really slow shutter speed for this lens. I'd consider 1/800 or higher. I'd usually shoot at 1/1000-1/1250 and then adjust the ISO accordingly. You might introduce noise in low light situations, but that's better than a blurry image which can't be fixed in post production.


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ptcanon3ti
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Feb 17, 2013 11:06 |  #3161

First attempts with the BIGMOS! So pumped...NO Crop on this yet the bird is clearly visible. Thru my kitchen door. :lol:

IMAGE NOT FOUND
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Raven on tree Sigma test (external link) by ptcanon3ti (external link), on Flickr

Again no crop. Got some blur...wasn't expecting him to take off right when I took the shot.
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

Raven take off Sigma test (external link) by ptcanon3ti (external link), on Flickr

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Feb 20, 2013 15:34 as a reply to  @ ptcanon3ti's post |  #3162

A few from the weekend, Great Tits and a Robin.

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khughes44
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Feb 20, 2013 16:22 |  #3163

vmlopes wrote in post #15612128 (external link)
1/160 is a bit slow and would equate to either motion blur or potential camera shake.....u really need to up this a bit for wildlife

Thanks for the feedback guys. Here's one taken when the light was better.


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vmlopes
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Feb 22, 2013 05:17 |  #3164

UK_MARK wrote in post #15632802 (external link)
A few from the weekend, Great Tits and a Robin.

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Mark, good captures, but there is something weird going on with the bokeh in these shots, have you blurred the backgrounds and over sharpened the birds maybe???


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UK_MARK
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Feb 22, 2013 11:14 |  #3165

vmlopes wrote in post #15639091 (external link)
Mark, good captures, but there is something weird going on with the bokeh in these shots, have you blurred the backgrounds and over sharpened the birds maybe???

Yes i noticed that esp #1#3 weird because on my pc they are fine before uploading to PB no pp apart from a smart sharpen in cs5. I have not had this issue before.??? Possibly a glitch with this new beta version of PB maybe.


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