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Thread started 20 Nov 2005 (Sunday) 02:04
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100-400 IS L Push-Pull

 
richardho11
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Nov 21, 2005 00:08 as a reply to  @ post 938212 |  #16
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neil_r wrote:
Ah haa, (nods head and tries to look like he understands ;) )

Thanks

N

LOL! :lol:


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CyberDyneSystems
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Nov 21, 2005 00:30 |  #17

Push Pull is better,. who needs "precision" when zooming,. I don't recall ever saying to myself

"Damn! This shot was supposed to be 389mm not 400mm"

The speed that push pull affords makes it much more of an advantage than a disadvantage. Once used to it the lens is just simply automaitcally at the focal length you desire,. its as fast and automatic as as your mind can tell your boddy to move. And you NEVER accidently twist it the wrong way ;)


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CyberDyneSystems
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Nov 21, 2005 00:48 |  #18

soupdragon wrote:
Precision aside, if you have to have the friction ring so slack that the thing zooms under its own weight, does this mean you also have to physically stop the zoom ring from moving when photographing with the lens pointing skyward or to the converse?

Yes,. but I allways have my left hand on the lens anyways,. so it doesn't matter. As I am holding the lens anyway,. it is certainly no effort to hold it without allowing my hand to slide towards or away from the other one.. pointing the lens upward would not cause the lens to zoom becuase I would be holding it. And no this is not a problem,. it is second nature.


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transcend
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Nov 21, 2005 00:49 |  #19

As far as I know, the differnt tensions are due to needing to move the lens a differnt amount of space to go between certain focal lengths.

Ie: 100-200 is not the same as 300-400 in actual mm it must travel - therefore they increase tension so that you do not fly through the shorter distances.


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mrclark321
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Nov 21, 2005 00:58 as a reply to  @ transcend's post |  #20

With my limited use with this lense tension could be set to your liking.
It's a great system and this lense is just plain amazing! I went out today to really try this lense for the first time and I am still a rookie but trying to learn.
I used Apeture priority for shooting and of the 62 shots I took today most turned out pretty sharp, that's not to say that they were great shots it just means I have to improve my style and knowledge base of shooting.

Dan


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Ikinaa
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Nov 21, 2005 01:25 as a reply to  @ post 939669 |  #21

I like push-pull on the 100-400...

Yesterday I was taking some Taekwondo shots and was sitting in the stands, holding the cam with the right and resting the lens on the left hand and both my elbows on the respective knees, lazy position...

Well, being able to just move one finger forward or backward and zoom in or out instead of twisting my hand, well I found that really great... :D


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nitsch
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Nov 21, 2005 03:29 as a reply to  @ post 939669 |  #22

soupdragon wrote:
So, the long and the short of it is, (no pun intended) you have to develop a technique for using this lens?

Definately. Well worth mastering though because then it is truely awesome.




  
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kram
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Nov 21, 2005 03:57 |  #23

Well, one more reason for me to want the lens. I live such a wretched life I dont even have a pull push lens - how do you expect my photographs to be any good ;)


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neil_r
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Nov 21, 2005 04:02 as a reply to  @ kram's post |  #24

I was going to take up the trombone but I tried it in the shop, and all that push pulling, I couldn’t be doing with it, so I bought a trumpet :confused:

N


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blackviolet
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Nov 21, 2005 04:34 as a reply to  @ neil_r's post |  #25

Neil - you can't just try i in the shop. you need to take the 'bone down to the track to give it a real world test.

this one time, at band camp - there was this guy Jim who thought he played the push pull very well...


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CyberDyneSystems
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Nov 21, 2005 22:54 |  #26

Surpirsed this is so hard to get used to,. the principle is simple,. tug on it and it gets longer............ :o :o :rolleyes: :lol:


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grego
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Nov 21, 2005 22:55 as a reply to  @ CyberDyneSystems's post |  #27

CyberDyneSystems wrote:
Surpirsed this is so hard to get used to,. the principle is simple,. tug on it and it gets longer............ :o :o :rolleyes: :lol:

You got too much time on your hands......... :rolleyes::lol:


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mrclark321
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Nov 21, 2005 22:55 as a reply to  @ CyberDyneSystems's post |  #28

Yes...works in many situations! :rolleyes:

CyberDyneSystems wrote:
Surpirsed this is so hard to get used to,. the principle is simple,. tug on it and it gets longer............ :o :o :rolleyes: :lol:


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Michaelmjc
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Nov 21, 2005 22:56 as a reply to  @ CyberDyneSystems's post |  #29

CyberDyneSystems wrote:
Surpirsed this is so hard to get used to,. the principle is simple,. tug on it and it gets longer............ :o :o :rolleyes: :lol:

haha I'm definately writing that one down.

EDIT- crap you guys are fast at replying :)


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100-400 IS L Push-Pull
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