In the Fletschhorn-Northface....

In the Fletschhorn-Northface....

In the Fletschhorn-Northface. Totally optical illusion. It does not seem to be 60° although it actually is ....Grooves from icefall and rockfall. This Northface is objectively dangerous (July 2001)
Rahel Maria Liu
on Jan 31, 2002 1:34 pm
Image ID: 4386

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Diego Sahagún

Diego Sahagún - Feb 7, 2002 12:42 pm - Hasn't voted

Why the sky shows so dark?

Did you retouch the photo? Or did you take it with closed diaphgram? . Fletschhorn is not one of the most elevated mountain of the world where the skies are often so dark. I think the answer comes from the first question but you have the true.

Luidger

Luidger - Feb 11, 2002 6:04 am - Hasn't voted

Re: Why the sky shows so dark?

Probably polarization filter.



Luidger

Diego Sahagún

Diego Sahagún - Feb 11, 2002 7:37 am - Hasn't voted

Re: Why the sky shows so dark?

Probably the answer is polarization filter but. Wich one? I´ve seen other photos in this web with this black skyes and I still suspect they´ve been retouched with a photo software. I can be wrong. Is there anybody that can explain this effect?

om

om - Feb 11, 2002 11:21 am - Voted 10/10

Re: Why the sky shows so dark?

They're is no objective contrast/colors when looking to photos on a computer monitor: try to increase lightness and see... the only monitors to give a good contrast ratio are the new (good and not so cheap) flat monitors.

Note that all digital or scanned photos are retouched by software (at least automaticly as for digital cameras or scanner software).

Rahel Maria Liu

Rahel Maria Liu - Feb 12, 2002 12:48 pm - Hasn't voted

Re: Why the sky shows so dark?

It's funny to read all the thoughts of you ;o). The answer is so simple: When I got my negative-scans, the coulors were totally wrong compared with my picture-print. So I just played 2 minutes with my software in order to get the tinge of green away. The sky is too dark now, that's true. If I find some time I will try to learn to work on photos professionally. But as Mathias told me, it will take a lot of time to do it well. I'm a total newbie in doing such things. So I'm glad that I at least could get the tinge of green away.



I did not use any filter. I even did not take it with a reflex camera but with my little Minox 35 GT.

Rahel Maria Liu

Rahel Maria Liu - Feb 12, 2002 12:51 pm - Hasn't voted

Re: Why the sky shows so dark?

read my answer in this thread

Rahel Maria Liu

Rahel Maria Liu - Feb 12, 2002 12:52 pm - Hasn't voted

Re: Why the sky shows so dark?

Luidger, please read my answer to this thread.

Luidger

Luidger - Feb 13, 2002 10:18 am - Hasn't voted

Re: Why the sky shows so dark?

Hi Rahel,



yes I did finally.



Ok, no polarization filter. I should have known because it causes that one edge of the picture is especially dark.

You can see the effect on some of my pictures. I often use pol filters.



Luidger

JScoles

JScoles - Feb 17, 2002 6:53 am - Hasn't voted

Re: Why the sky shows so dark?

If you are getting very dark edges while you are using a polorizing filter then your problem might be Vignentting. This means your filter or lens shade is getting into your shot because you lens is stopped down and has a large depth of field so the filter is in focus and shows up on you pick. To check if this is happeing then on your neg you see a dark circle (more pronounced in sky or snow) all the way around. Cure is to use only the polorizer and no lens shade in order to move the filter closer to the lens.



This can also be caused by zoom lens and it is called cromatic aborations (Basically a colour shift while zoomed in) and can only be solved by expensive lens that are made with FD or SD glass.



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