Author Topic: PSD useful? (Read 2537 times)

Scyth · « **on:** February 22, 2013, 17:23 »

Hi!

@admins: Just wrote a long text - and couldn't read verification. After klick on 'Request another image' the whole text was gone... just a hint. I am sure about this beeing a but, not a feature

To make the long story short now: Me noob, sent in picture, was rejected by fotolia, technical issues. I Photoshopped this picture (sharpened it) and to guarantee maximum sharpness CombineZP was used (5 pictures into one, resulted in a 20mb-jpeg). Could one of those 2 points be the reason for the rejection? And ist some psd as some kind of post-production useful at all?

Thx for your answers.

PS: Pretty sure that this question was already asked but couldn't find anything. I believe this could be important - some notes could be helpful therefore in one of those sticky topics. Just mentioning and don't take this as an insult - just writing this using some short sentences in my 2nd attempt (now: ctrl-a, ctrl-c

).

Mantis · « **Reply #1 on:** February 22, 2013, 18:41 »

Best to post a full resolution, watermarked image so the peeps here can take a look.

Scyth · « **Reply #2 on:** February 23, 2013, 06:35 »

Here is the picture:
Click me [nofollow]

As said: Pretty new to the microstock-scene and ready to learn. After 2 failed attempts this is one of the fotos who got me into istock. Well... the first 2 rejections led to some thinking about what Stockphotography is about - this is one of the results.
One observation made by me is: Most stockimages are a litte overexposed (+2/3), only a little. Would you agree on that?

meldayus · « **Reply #3 on:** February 23, 2013, 07:59 »

There's way too much noise in the image, especially in the shadows, but also all around in the 'white' background. Did you use photoshop to overexpose it at all? If so, that may be your problem.

meldayus · « **Reply #4 on:** February 23, 2013, 08:04 »

Also just noticed, you've got quite a few sensor spots which need to be cleaned up and there's a few bits of dust/debris to the right of the needle which also need to be cloned out.

lbarn · « **Reply #5 on:** February 23, 2013, 08:30 »

I see blown highlights, heavy noise under the syringe, and I would clone out the BD which is likely a trademark manufacturer name on the far left.

Scyth · « **Reply #6 on:** February 23, 2013, 09:41 »

Thank you for all your responses!
The noise comes from CombineZP imo. Right now I used one of the original Photos. This one is far better I believe. I removed the dots (came from the paper, other images haven't had those dots) and cleared some other dots. Now there are some left inside the injection and the BD-sign. But I would say that I head in the right direction?
Click Me/url] [nofollow]

meldayus · « **Reply #7 on:** February 23, 2013, 10:28 »

Yes, the noise looks a lot better, and you seem to have gotten rid of the blown highlights Ibarn was talking about. However, you still have sensor spots - take a look at the top left and right corners of the image, as well as the bottom right. You'll see some out of focus round grey 'blotches'. They're easier to see if you scroll your image up and down (or left to right) a little - because they're moving, they're easier to distinguish from spots and shadows on your monitor.

JPSDK · « **Reply #8 on:** February 23, 2013, 11:38 »

no no no.
The image compares to a 1024 pix picture that is upscaled.
No resolution, no nothing, only noise and blur.
It is not combne zm, it comes from the pictures you put into combine.

Jo Ann Snover · « **Reply #9 on:** February 23, 2013, 15:02 »

The original was shot at ISO 500 apparently. I assume you didn't have enough light, but you need to make isolated shots like these at ISO 100 and they should be virtually noise free from a 5D Mk II

I'm totally lost on what value this program, CombineZP, added? You shot a syringe where it was pretty close to parallel to the camera sensor. You don't need to do focus stacking with something like this. Not to mention that it apparently does a terrible job as it has made so much noise in the process.

Scyth · « **Reply #10 on:** February 23, 2013, 16:07 »

@jsnover: You are right. Look - I stacked it so it would be extra sharp. I wanted to be extra good, exaggerated and became worse :/ Well, I'll do the shot again. Practice is everything. Thx you guys!

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Author Topic: PSD useful? (Read 2537 times)

Scyth

Mantis

Scyth

meldayus

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lbarn

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JPSDK

Jo Ann Snover

Scyth

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