aminstar

Joined: 30th December 2008

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aminstar
BODYHEAT wrote:


I am not familiar with the product but it sounds intriguing as I have several old lenses. Can anyone explain how it works? How does it affect exposure or I guess you still have to operate everything else manually?
Hi Nigel

The adapter/TC besides the magnification has the ability to AF if attached to MF lenses. That's why its very popular also with people with a stock of MF lenses who would like to use it as AF. And also the quality of the imagtes with the Adapter attached is one of the best.

The only thing you need to know also is that it won't do a straight focus, it needs you to manually nudge it closer to the point of focus and then it takes over and hunts for the focus point itself. It has a very minor range of focus, hence the need to nudge it closer to the point. But once nudged it does a great job at AF itself.

Oh also if you attach an SDM lens to it you lose SDM, it will just use normal focus.

If you do a quick serch for Pentax 1.7x Adapter you will see that its well sought after. Quality is excellent compared to other TCs

Hope this helps

Comment by aminstar posted on Pentax 1,7x rare! at 01/07/2009 - 08:22

aminstar
Mike-P wrote:
I think the 60-250mm is fine for outdoor portraits Amin but it would struggle indoors without a flash.
I have been playing with my Sigma 70-200mm f2.8 on my K10D and this was taken at f2.8 iso 400 .. the 60-250mm just couldn't cut it as it was starting to get a bit dark. Would probably be better with a K20D and it's higher ISO capability though.
I think I will probably order the 50-135mm tomorrow.

That is a very nice image Mike. I dont think the 60-250 would have done it. That extra stop makes a difference particularly for indoors.
Bumping the iso on the 60-250 would just be a compromise.

And also remember the bokeh is definitely not as good as the 50-135. I think we came to the same conclusion exactly at the same time.

Stefan,
I remember you talking about the bokeh of the 50-135 and seems that this is another aspect that the 60-250 wouldn't be good for certain shots like portraits, at least not with the same quality as the 50-135.

Comment by aminstar posted on Pentax DA* 60-250mm owners ... ? at 29/06/2009 - 21:36

aminstar
Shaky wrote:


In a less extreme example my freedom to drive home drunk from the pub potentially infringes on other drivers' freedom to use the roads enjoying a minimum standard of safety.

This is what is known as the paradox of freedom in that freedom always involves trade-offs in real-world society.

I am surprised at the example you chose to back your argument about paradox of freedom.
But if we had to use the example as you described then it would equate to anyone seeing you just being in a pub or having a drink and then getting into your car, assume that you are drunk and call the police.

Does the fact that hundreds of people are killed in drink and drive accidents every year justify that someone who has no aparent reason at all except that seeing you having a glass of wine take you as a drunk behind a wheel and call the police?

This is more like seeing anyone with a camera in a public place and assuming they are at no good and calling the police.

Its not my encounter with the police that annoyed me the most, they were doing their job, but this is quite irrelevant in your view anyway because as you have clearly expressed you would applaud anyone who would be calling the police at any perceived danger. Under the same umbrella if someone has the same perception of danger at seeing you having a drink in a pub and getting into your car would call the police assuming you might be inebriated and you might kill a child. Wouldn't you want the person to have at least a reason other than just seeing you having a drink?

Correct me if I am wrong but doesn't the police first advise you the reason why they stop you before proceeding with any inspection? And in your example the reason would be "excuse me sir but we are responding to a complain from a member of the public that you might be driving while intoxicated so we need to carry out some checks". Well, to me that would be also very odd.

I have been stopped several times by the police and it has never bothered me. The reasons they gave me were good enough for me to understand that they had a duty to do what they had to do, at certain times in a very apologetic way due to circumstances, and I was only happy to oblige. Routine stops that often had escalated to a more detailed and thorough searches and investigations due to certain personal aspects of mine and this I always took it on a stride. In fact I joke about it sometimes with friends. Suffice to say I have a surname that raises eyebrows immediately, looks that some call mediterranan, a lethal cocktail for headaches when stopped for any reason at all.

Comment by aminstar posted on Encounter with the cops and a grilling by them at 29/06/2009 - 21:30

aminstar
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Comment by aminstar posted on Pentax DA* 60-250mm owners ... ? at 29/06/2009 - 20:45

aminstar
Again I softened during PP on this one too

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Comment by aminstar posted on Pentax DA* 60-250mm owners ... ? at 29/06/2009 - 20:32

aminstar
As the discussion is also about the quality of the DA*60-250 for portraits thought of putting up a couple taken with it a few weeks ago.
The range worked out pretty well on that occasions for an outdoor gathering

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This next one I had to soften it during PP as all the bristles from the face were showing in the image
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Comment by aminstar posted on Pentax DA* 60-250mm owners ... ? at 29/06/2009 - 20:28

aminstar
Hi Fiona,
Welcome back to the forum. Yup we saw that foot of yours with the ankle strapped, good that you have recovered and all eager to get snapping.
Let's have some shots when you are ready to upload, we just saw Danny's new macros and they are stunning. I suspect you might have stunning ones too to show us as he says the DA*50-135 stays in your bag now during your outings since he has had the DA*60-250 .

Oh, and if you saw any finger prints on your Kata 3N1-30 the day Danny came back from SRS with the K7 those are all mine . I was trying to convince him to let me have it but he said you would kill him ha .

Comment by aminstar posted on Not technically new - but back for good! at 29/06/2009 - 14:19

aminstar
Danny
I am so bleeming jealous of those shots those are fantastic shots. All look great to me, but I really love the first one and the last two shots purely because of the warm colours of the butterfly. But all of them seem absolutely wonderful.

Tell me now, isn't macro photography fun? , pretty addictive if you ask me

Comment by aminstar posted on Butterfly Macros - Identification please! at 29/06/2009 - 14:08

aminstar
Stefan,

One of the runners in the club I go works for child protection agency and we ended up talking about the episode and the word he used was "paranoia" from the public point of view. He says the police get swamped with calls from the public crying pervs around because they see someone with a camera.

Comment by aminstar posted on Encounter with the cops and a grilling by them at 29/06/2009 - 10:42

aminstar
terje-l wrote:


Honestly, I have problems taking all this seriously.
Oh yeah? Try being questioned by two cops in a sorrounding where plenty of people are walking their dogs and people you know constantly passing by you and children playing around, and one cop holding your id and staying ten meters away while talking on the radio with their base, and the other one with your camera in her hands carefully checking all the photos and asking you questions. 15 minutes in total at least there oh, and the tripod set up by the way.

May be then you might see the serious side of it

Comment by aminstar posted on Encounter with the cops and a grilling by them at 29/06/2009 - 09:52

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