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Thread started 30 Mar 2015 (Monday) 22:20
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Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary

 
ct1co2
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Post edited 4 days ago by ct1co2.
     
Jan 12, 2019 13:41 as a reply to  @ post 18790168 |  #3421

#1 is a combination of very high ISO noise and a subject that is very small relative to the overall frame area. If this is already a crop from the original, that’s also playing a role.

#2 the problem is the massively hazy sky and distance to subject.


7D2 | 6D2 | 10-22 | 15-85is | Rokinon 14 2.8 | 16-35isL | 24-70isL | 35is | 85 1.8 | 100-400 II L | Σ150-600 C | 430ex |

  
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grajesh
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Post edited 4 days ago by grajesh.
     
Jan 12, 2019 13:44 as a reply to  @ ct1co2's post |  #3422

Thanks for the review.. those are uncropped ones

So u meant to say nothing wrong with lens ?? ..how to find out if focus n sharpness works out of box without dock?




  
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ct1co2
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Jan 12, 2019 13:46 as a reply to  @ grajesh's post |  #3423

Yes, neither of those 2 images is going to reveal a lens problem. Testing on subjects that better fill the frame will help. Welcome to POTN.


7D2 | 6D2 | 10-22 | 15-85is | Rokinon 14 2.8 | 16-35isL | 24-70isL | 35is | 85 1.8 | 100-400 II L | Σ150-600 C | 430ex |

  
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grajesh
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Jan 12, 2019 13:51 as a reply to  @ ct1co2's post |  #3424

Images will be taken mostly at 600mm for this lens .. filling the frame u meant cropping it close??




  
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the ­ black ­ fox
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Jan 12, 2019 16:06 as a reply to  @ grajesh's post |  #3425

Grajesh if you intend to use this lens for wildlife ,your going to have to learn fieldcraft to get closer to your subject ,the one big mistake a lot of learner w/life toggers make is thinking that now I have a long lens I can take pics from further away . NO No No , you have to get as close as you can to your subject to fill the frame , , I would definetly not do any micro adjustments to either the lens or camera , as you obviously haven’t got a clue and will make it far worse .. that’s not being nasty it’s a fact ... . You have a good camera and lens combo learn how to use it AV mode , aperture either f7.1 or f8 , shutter speed as high as possible and DO NOT use auto iso set it to around 800 and leave it there ,as the camera will choose stupid high iso values spoiling your shots


as Of January 2019 ,Panasonic G80/85 , Panasonic 12-60 , Panasonic Leica 100-400 , Nikon D300S , sigma 150-600C , Nikkor 50mm f1.4 ais.m/f ,vivitar 200mm f 3.5 m/f Large c/f tripod ,jobu gimbal plus a ton of bitzas , all items subject to change on a whim

  
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the ­ black ­ fox
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Jan 12, 2019 16:10 as a reply to  @ the black fox's post |  #3426

Wow just looked at your parrot shot 16000 I.s.o seriously I think that proves my point above


as Of January 2019 ,Panasonic G80/85 , Panasonic 12-60 , Panasonic Leica 100-400 , Nikon D300S , sigma 150-600C , Nikkor 50mm f1.4 ais.m/f ,vivitar 200mm f 3.5 m/f Large c/f tripod ,jobu gimbal plus a ton of bitzas , all items subject to change on a whim

  
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ct1co2
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Jan 12, 2019 16:42 |  #3427

grajesh wrote in post #18790182 (external link)
Images will be taken mostly at 600mm for this lens .. filling the frame u meant cropping it close??

I was referring more to minimizing the amount of cropping necessary, especially if you are testing the lens. Also, are you shooting jpg or raw, and what type of post processing are you doing.

I'll use a couple of images to illustrate. The first one below with the 4 planes, if you are pixel peeping looking close at 1 plane trying to read the numbers, which would require cropping very very heavily, the detail comes into question. Now the image below that "filled the frame", meaning, it required very little cropping.


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7D2 | 6D2 | 10-22 | 15-85is | Rokinon 14 2.8 | 16-35isL | 24-70isL | 35is | 85 1.8 | 100-400 II L | Σ150-600 C | 430ex |

  
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grajesh
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Post edited 2 days ago by grajesh.
     
Jan 13, 2019 22:39 as a reply to  @ the black fox's post |  #3428

Many thanks . Yes iam not taking it as nasty one as its a big truth that i have no idea on MFA part. :) ...Also reason i keep auto ISO is iam not able to judge the required ISO in the light and if i keep around 400 to 600ISO and it gets dark in pic then the Photo opportunity is missed. I just wanted to take a pic that is as sharp and not so grainy one.

Now for this combo will keep always in 7.1 or f8 and ISO 800 .. in AV mode as shutter will take automatically. Will let u know on this part next time i take.

And yes.. i was taking parrot from my balcony so i cannot go close. But yes i bought the lens thinking i can take from far without disturbing them.

Only concern i have is whether the lens i got is good really or need MFA .. if need to be tested whether is good or not ..how to do it ? or DOCK is the one way ? or i have to return it know back to amazon shoppin :(




  
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grajesh
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Jan 14, 2019 00:11 as a reply to  @ ct1co2's post |  #3429

Thanks .. and to think that using 600mm i would take far off as most of my subject is far than 600mm :( .. in that case i cant fill the frame except to crop. What i was expecting is when i focus well on the subject using 600mm for a subject > 600mm when cropped i would get usable pic.




  
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the ­ black ­ fox
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Post edited 2 days ago by the black fox.
     
Jan 14, 2019 15:59 as a reply to  @ grajesh's post |  #3430

I really do think that your overthinking this , if the parrots are anything to go by the lens is fine ,leave it alone do not make adjustments .. as I said earlier learn to get closer to your targets .. wherever you live in the world , there are birds / animals that you can get close to I.e ducks, gulls ,cats ,dogs etc , don’t forget your lens also has a close up mode ......
Or if you buy the dock you can make C1 for close ups and C2 for distance work . .... auto iso is dangerous as it makes you lazy in moderate light around 800iso is fine ... learn your camera ,learn your lens .. stop worrying and just enjoy it you will make mistakes the best of us do , for instance if I go out you will only see my best shot of that day , you won’t see the other 500 or so that I have deleted

It might help if I/we knew where those two shots were taken your profile says Chicago but it looks more like India/ Malaysia to me which will make more problems due to heat over haze over long distance ..


as Of January 2019 ,Panasonic G80/85 , Panasonic 12-60 , Panasonic Leica 100-400 , Nikon D300S , sigma 150-600C , Nikkor 50mm f1.4 ais.m/f ,vivitar 200mm f 3.5 m/f Large c/f tripod ,jobu gimbal plus a ton of bitzas , all items subject to change on a whim

  
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grajesh
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Jan 15, 2019 02:51 as a reply to  @ the black fox's post |  #3431

Thank u for wonderful time to explain. You are right abt my location . I updated it now. Glad to know lens dont have problem.. if I get dock someday will change it.. I will check the lens as of now and come up with good pics as in this forum. :)




  
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the ­ black ­ fox
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Jan 15, 2019 03:19 as a reply to  @ grajesh's post |  #3432

ah thought so , then yes if your taking photos over a long distance the other thing that happens is you will get heat haze/shimmer rising from the ground to . it happens everywhere but the hotter and more humid it is the worse it becomes . as I said previously the only real suggestion I can make is to get a lot closer to your targets . use single point focus and try to ensure the bird/animals eye is in your focus point .a simple demo shot here


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as Of January 2019 ,Panasonic G80/85 , Panasonic 12-60 , Panasonic Leica 100-400 , Nikon D300S , sigma 150-600C , Nikkor 50mm f1.4 ais.m/f ,vivitar 200mm f 3.5 m/f Large c/f tripod ,jobu gimbal plus a ton of bitzas , all items subject to change on a whim

  
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the ­ black ­ fox
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10 hours ago |  #3433

couple of shots from yesterday at my local n/r , quiet pleased with the sharpness of this lens .. whether I need to buy a newer body is the next question these are with a rather long in the tooth Nikon D300S


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as Of January 2019 ,Panasonic G80/85 , Panasonic 12-60 , Panasonic Leica 100-400 , Nikon D300S , sigma 150-600C , Nikkor 50mm f1.4 ais.m/f ,vivitar 200mm f 3.5 m/f Large c/f tripod ,jobu gimbal plus a ton of bitzas , all items subject to change on a whim

  
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