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My first shot with Super Takumar 50/1.4
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PostPosted: Wed Sep 24, 2008 1:41 pm    Post subject: Reply with quote
Thanks for your coments.

The picture itself is not fault free. I see some glitches in the right side, although fixable with minor photoshop editing.

I have to say this, you are an excellent crowd. Your coments and support inspire me to excell everytime i go to the field. So, in a way these pictures are also your work.

Thank you very much for that. Wink


PostPosted: Wed Sep 24, 2008 7:52 pm    Post subject: Reply with quote
Today's



Wink


PostPosted: Wed Sep 24, 2008 7:59 pm    Post subject: Reply with quote
Wow! Another little diamond! Beautiful!


PostPosted: Thu Sep 25, 2008 1:48 pm    Post subject: Reply with quote
Luis, this is a "could have been". The comp is rather weak because you
have the shoreline running smack dab (almost) across the middle of the
picture. Observing the "rule of thirds" would have helped here, but very
nice exposure! Wink

Bill


PostPosted: Thu Sep 25, 2008 2:01 pm    Post subject: Reply with quote
...i tried to give the spectator the vision he would have if standing there himself. I think that's best acheived giving the choice to the spectator, using the 50/50 aproach.

I know that's not in the rules, but it seemed the best way to pass the desired feeling. Embarassed


PostPosted: Thu Sep 25, 2008 2:10 pm    Post subject: Reply with quote
Have to say, every time I see your nick, I go "Klaatu, Barada, Nikto!" I
dunno why... Laughing

Luis, no one likes to hear their baby has buck teeth, sorry. Don't know about
anyone else, but my eye goes immediately to that horizontal line defined by
the shoreline, then to the boats in the foreground. If there was a boat or
barge passing by to break the monotony of the shoreline, would have saved it.

My 2c, YMMV, of course,

Bill


PostPosted: Thu Sep 25, 2008 5:56 pm    Post subject: Reply with quote
Your 2c are very valuable. Wink

Just expressing my point of view on that picture that's all.

Well, i couldnt get all right! Laughing

Today i missed great scenarios. The air was clean and you could see very far with lots of detail. Too bad i wasnt carrying my gear... Crying or Very sad Crying or Very sad


PostPosted: Thu Sep 25, 2008 6:06 pm    Post subject: Reply with quote
Luis, not every click of the shutter will be a Mona Lisa (substitute whatever
superlative), you have some stunners in this thread! Smile Cool


PostPosted: Thu Sep 25, 2008 6:58 pm    Post subject: Reply with quote
I've been enjoying seeing your pictures with one of my favourite lenses Luis, thank you very much and well done Smile

I'm sure you know all about the yellowing of the S-Tak due to the Thorium element. I'm wondering if your lens is affected slightly. The last picture seems to have a yellow cast, or maybe it's just the evening light.

Bill, would you like to see more sky or more mud? Smile


PostPosted: Thu Sep 25, 2008 7:22 pm    Post subject: Reply with quote
Hi there Peter. I'm glad you enjoyed the shots.

Yes, my Tak as the Thorium effect. It seems it could be eliminated by a day in sunlight.
Since this is radioactive(low amounts, thankfully) stuff i'm still thinking about wether i should give it the treatment or not.

If you know anything more about this aspect of the lens i'd love to read it.

Keep coming because i'll keep posting! Laughing


PostPosted: Thu Sep 25, 2008 8:16 pm    Post subject: Reply with quote
I thought so! It's certainly worth curing, Bill and I have both done it.

I know you have much more sunlight than here, but one day is still asking a bit too much! Smile My lens was quite badly yellowed and it took from November to March to cure it, but the days were short and mostly cloudy.


PostPosted: Thu Sep 25, 2008 9:14 pm    Post subject: Reply with quote
From what element should the lens be cured?


PostPosted: Thu Sep 25, 2008 9:22 pm    Post subject: Reply with quote
Barata wrote:
From what element should the lens be cured?


Luis, the lens can be cleansed/purified by glacial meltwater blessed by the
Pope...*or*....place some tin/aluminum foil in the front lens cap, stick it
back on, then position in a south or west window with bottom cap off, facing
prevailing sunlight. I got mine cured in 7-8 days this way (strong sunlight).

Peter, if there were female mud wrestlers further into the foreground, I
would opt for that side of things. Wink


PostPosted: Thu Sep 25, 2008 9:32 pm    Post subject: Reply with quote
I dont have aluminum foil. I'll be searching ebay for glacial water blessed by the Pope. Confused


PostPosted: Thu Sep 25, 2008 9:39 pm    Post subject: Reply with quote
Luis, if you have a friend that smokes cigarettes, get the foil lining from the
wrapper. There's enough there to line the bottom of the lens cap. Or use
anything that is highly reflective that will bounce the light back thru the
lens elements. Potato chips and their ilk have what looks like foil on the
inside of the bag, would require washing all that lovely grease off, however.


PostPosted: Thu Sep 25, 2008 9:48 pm    Post subject: Reply with quote
I guess i didnt searched properly... going through the kitchen again i found something... it resulted in the following picture:



The treatment begins tomorrow! Smile


PostPosted: Fri Sep 26, 2008 9:38 am    Post subject: Reply with quote
Luiz, sorry, I went to bed and missed your question. The thoriated element is in the rear group but I believe the yellowing is possibly caused to other elements due to the radiation. There are lots of differing opinions on this.

Anyway, best results on curing are as Bill says - with the light entering the rear element and foil over the front element to reflect light inside the lens. So make sure you take off that rear cap! Smile

The lens coating causes an amber reflection on the front element, so don't expect this to disappear. You can tell when the lens is cured by looking through it at a white wall or sheet of paper and it should look nearly clear. One thing I wish I'd done is to take a pic of the lens before I started the curing so that I could compare it later.


PostPosted: Fri Sep 26, 2008 9:41 am    Post subject: Reply with quote
Katastrofo wrote:
Peter, if there were female mud wrestlers further into the foreground, I would opt for that side of things. Wink

Very Happy Very Happy I wouldn't expect anything less from you! Wink


PostPosted: Fri Sep 26, 2008 1:21 pm    Post subject: Reply with quote
The curing has begun. It's been under sunlight for about 3 hours now.

I went to lunch and found some good scenarios. Had to shot with the AF 4WD Sigma 18-200.

So, Peter, 8 days and the curing is done, right?


PostPosted: Fri Sep 26, 2008 1:58 pm    Post subject: Reply with quote
Barata wrote:
So, Peter, 8 days and the curing is done, right?

Well, I hope so but have a little patience. The lens has been stored in darkness with its caps on for many years, so it's unreasonable to expect it to cure in a flash. It depends how yellow it is and how much sun it gets, but at least the sun is a lot stronger in Ovar than here, and you get a lot more hours of it! Evil or Very Mad (Very nice sunny day today though Very Happy )


PostPosted: Sat Sep 27, 2008 2:36 pm    Post subject: Reply with quote
Ok, yesterday she got ~8 hours of direct sunlight. Today it has already 3. Now, i'm getting the shivers all over my body because i cant use the lens.

How do i tell the yellow has gone? Better yet, how did you knew the yellow was gone?
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