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Qual seria o problema técnico?

Community Beginner ,
Feb 15, 2022 Feb 15, 2022

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Por favor, alguém saberia apontar qual é o(s) problema(s) técnico(s) desta imagem?

Seria a transparência no fundo branco?

 

Grato pela atenção!

 

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correct answers 4 Correct answers

Community Expert , Feb 15, 2022 Feb 15, 2022

Focus is not sharp enough 

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Community Expert , Feb 16, 2022 Feb 16, 2022

There are also artifacts around the cork lid.

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Community Expert , Feb 16, 2022 Feb 16, 2022

Hi @Aray22772038qzfo,

The edge of the bottle is not well defined. I believe you might have overexposed a bit. The cork is showing color noise. This you need to look out for and correct in post processing. Please remember to inspect your file at between 100 and 200% before uploading/

Best wishes

Jacquelin

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Contributor , Feb 16, 2022 Feb 16, 2022

Apart from the correct and wise answers of the classmates, let me give you another opinion and advice. It is about lighting, when you illuminate glass you must do it by placing spotlights and lights in such a way that the contours of the glass object are defined or use a background that contrasts them enough, when you take a still life photo you should look for the best combination of light, I always say it in a photo, the handling of the camera is 50%, the other 50% is knowing how to use the li

...

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Community Expert ,
Feb 15, 2022 Feb 15, 2022

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Focus is not sharp enough 

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Community Beginner ,
Feb 16, 2022 Feb 16, 2022

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Thanks, Jill!

I will correct.

 

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Community Expert ,
Feb 21, 2022 Feb 21, 2022

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The focus can't be corrected, you'll need to retake the picture. Yes, you can apply sharpening, but that works only if the focus is slightly off, nearly perfect.

ABAMBO | Hard- and Software Engineer | Photographer

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Community Expert ,
Feb 16, 2022 Feb 16, 2022

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There are also artifacts around the cork lid.

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Community Beginner ,
Feb 16, 2022 Feb 16, 2022

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Thanks, Ralph!

I've seen the imperfections, but they're from the cork itself. I will change.

 

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Community Expert ,
Feb 16, 2022 Feb 16, 2022

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Hi @Aray22772038qzfo,

The edge of the bottle is not well defined. I believe you might have overexposed a bit. The cork is showing color noise. This you need to look out for and correct in post processing. Please remember to inspect your file at between 100 and 200% before uploading/

Best wishes

Jacquelin

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Community Beginner ,
Feb 16, 2022 Feb 16, 2022

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Thanks, Jacquelin!

I will review!

 

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Community Expert ,
Feb 16, 2022 Feb 16, 2022

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You are welcome @Aray22772038qzfo 

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Contributor ,
Feb 16, 2022 Feb 16, 2022

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Apart from the correct and wise answers of the classmates, let me give you another opinion and advice. It is about lighting, when you illuminate glass you must do it by placing spotlights and lights in such a way that the contours of the glass object are defined or use a background that contrasts them enough, when you take a still life photo you should look for the best combination of light, I always say it in a photo, the handling of the camera is 50%, the other 50% is knowing how to use the lights, the lighting

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Community Beginner ,
Feb 18, 2022 Feb 18, 2022

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Yes, Pepe, I'll still try with natural light and using another resource to give greater contrast and eliminate unwanted glare. But it will be the last attempt, and then I'm going to look for lighting with spotlights. Your observation, however, was very valuable. Thanks!

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Community Expert ,
Feb 18, 2022 Feb 18, 2022

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Before you start buying lights, do a little googling on "how to light glass objects for photography". Here's a very short one with great, easy ideas and possibly no new equipment required:

 

youtube.com/watch?v=GfweiLbEJ24

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Contributor ,
Feb 18, 2022 Feb 18, 2022

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It is not necessary at first to spend on expensive lighting systems, with this simple object one can begin to learn to illuminate without spending a lot, in this way you can test the openings and the focus that you need615MIIx73QL._AC_SL1100_.jpg

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Community Expert ,
Feb 18, 2022 Feb 18, 2022

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I actually made my own desktop lightbox with PVC pipe and plain white paper for the sides and top. Probably cost less than $10 !

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Contributor ,
Feb 18, 2022 Feb 18, 2022

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Yes Jill_C  only 9 €

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Community Expert ,
Feb 18, 2022 Feb 18, 2022

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A collapsible mesh laundry bag from the Dollar Tree/ 99 cents store makes a good lightbox.  It's dirt cheap, lightweight, portable and multi-purpose.  😄

 

image.png

 

Nancy O'Shea, Product User & Community Expert
Alt-Web Design & Publishing ~ Web : Print : Graphics : Media

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Community Expert ,
Feb 18, 2022 Feb 18, 2022

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What a great idea! Collapsible and takes up no space...

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Community Beginner ,
Feb 22, 2022 Feb 22, 2022

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Hi, Nancy! Very good idea. I was curious to see the finished photo of the lamp. I looked for your profile, but I couldn't find it.

Bye, thanks!

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Community Expert ,
Feb 22, 2022 Feb 22, 2022

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It's not real.  It's only an example of the laundry basket lightbox.

 

Nancy O'Shea, Product User & Community Expert
Alt-Web Design & Publishing ~ Web : Print : Graphics : Media

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Community Beginner ,
Feb 21, 2022 Feb 21, 2022

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Very good your scheme for glass photos. Is the light the specific lamp for color photos or is it an LED?
It's similar to the one I have and use to take the photos, except for the light, which I still used natural. I think some reflections on the glass look nice, so I risked keeping them.

Thanks!

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Community Expert ,
Feb 21, 2022 Feb 21, 2022

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It looks like Nancy is using standard halogen spotlights, the kind you can get at the hardware store. LED spotlights are less suitable, although I think that in the end there is hardly any difference. The problem is the light temperature and the red vegetables. Halogen spotlights have slightly warmer light, which goes well with red. LED spotlights tend to have colder light, unless the light color has been corrected, which I can't imagine for construction spotlights.

The camera and/or image processing can correct this somewhat, of course, but if you want strong red, you shouldn't use "cold" lights.

 

ABAMBO | Hard- and Software Engineer | Photographer

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Community Beginner ,
Feb 21, 2022 Feb 21, 2022

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Thanks, Abambo!

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