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Archive 2009 · 85mm f1.8 with 1.4X extender
  
 
Mauro Aguirre
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p.1 #1 · p.1 #1 · 85mm f1.8 with 1.4X extender


I'm looking to use my XTi with focal length of approximately 200mm for taking pictures of indoor sports, but don't have the money for a lens with bright aperature.

Does anyone have experience with the 85mm f1.8 with 1.4X Extender. This combination would be an equivalent of 190mm

Any other suggestions.


Thanks



Oct 26, 2009 at 07:30 PM
Gijs
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p.1 #2 · p.1 #2 · 85mm f1.8 with 1.4X extender


For one, you have to be careful if the extender is even compatible with that lens. The official Canon one probably isn't.

If you just cropped your shots a bit, you would still be able to use your f/1.8 aperture.



Oct 26, 2009 at 07:37 PM
Mauro Aguirre
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p.1 #3 · p.1 #3 · 85mm f1.8 with 1.4X extender


Gijs,

Thanks. Your right. Extenders only work from 135mm and longer. Should of looked this up first!!





Oct 26, 2009 at 08:08 PM
brucemuir
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p.1 #4 · p.1 #4 · 85mm f1.8 with 1.4X extender


What camera body?
Gijs may be on to something with the crop suggestion.
If you have a higher density sensor, sports can generally stand a bit of cropping.



Oct 26, 2009 at 08:12 PM
Mauro Aguirre
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p.1 #5 · p.1 #5 · 85mm f1.8 with 1.4X extender


Bruce Muir,

The camera body is the Rebel XTI. Here is a heavily cropped shot from this weekend of my daughter. I was a little more than half a basketball court away. I just wish for more detail.

Thanks
Image 377470 not found





Oct 26, 2009 at 08:57 PM
EA6B
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p.1 #6 · p.1 #6 · 85mm f1.8 with 1.4X extender


I use my 85 1.8 with a Canon 1.4 extender, but you need a tube in between. I sometimes use it for macro work.

E



Oct 26, 2009 at 09:06 PM
jamad
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p.1 #7 · p.1 #7 · 85mm f1.8 with 1.4X extender


Kenko and Tamron make teleconverters that fit the 85 1.8. I use a Tamron 1.4 TC with my 85. The center of the frame shows slightly more detail than up-sizing a cropped image. Edges of the frame (1.6 crop sensor) show no improvement over up-sizing. CA is more noticeable with the TC on high contrast subjects (especially at wide f-stops), but that might not be a problem seeing your example. However, auto focus can become less reliable having lost one stop. I end up using only center point AF with very centered compositions, but I don't hesitate to use the TC.


Oct 27, 2009 at 01:29 AM
Steve Spencer
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p.1 #8 · p.1 #8 · 85mm f1.8 with 1.4X extender


It sounds to me like you would really like a 135L and can't afford it. It might help to just get a 100mm f/2, which would only be $50 or so more than your 85mm. Perhaps you could try to set up a trade in the B & S forum.


Oct 27, 2009 at 02:44 AM
Mauro Aguirre
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p.1 #9 · p.1 #9 · 85mm f1.8 with 1.4X extender


EA6B wrote:
I use my 85 1.8 with a Canon 1.4 extender, but you need a tube in between. I sometimes use it for macro work.

E


Which tube do you use? Does it work only for Macro?



Oct 27, 2009 at 11:12 AM
Mauro Aguirre
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p.1 #10 · p.1 #10 · 85mm f1.8 with 1.4X extender


jamad wrote:
Kenko and Tamron make teleconverters that fit the 85 1.8. I use a Tamron 1.4 TC with my 85. The center of the frame shows slightly more detail than up-sizing a cropped image. Edges of the frame (1.6 crop sensor) show no improvement over up-sizing. CA is more noticeable with the TC on high contrast subjects (especially at wide f-stops), but that might not be a problem seeing your example. However, auto focus can become less reliable having lost one stop. I end up using only center point AF with very centered compositions, but I don't hesitate to use the
...Show more


Thanks for the information.



Oct 27, 2009 at 11:13 AM
 

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Mauro Aguirre
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p.1 #11 · p.1 #11 · 85mm f1.8 with 1.4X extender


Steve Spencer wrote:
It sounds to me like you would really like a 135L and can't afford it. It might help to just get a 100mm f/2, which would only be $50 or so more than your 85mm. Perhaps you could try to set up a trade in the B & S forum.



I really would love to have a 135L...=)...

I think the 100 f/2 would not icrease the reach enough. How's the 100 f2 compared to the 85 f1.8 with regards to picture quality?

Thanks



Oct 27, 2009 at 11:18 AM
Navyblue
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p.1 #12 · p.1 #12 · 85mm f1.8 with 1.4X extender


There is the EF 135 mm f/2.8 SF, which is cheaper than either the 85/1.8 or the Canon TC.


Oct 27, 2009 at 12:23 PM
Mauro Aguirre
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p.1 #13 · p.1 #13 · 85mm f1.8 with 1.4X extender


Navyblue wrote:
There is the EF 135 mm f/2.8 SF, which is cheaper than either the 85/1.8 or the Canon TC.



Thanks for the suggestion. I will certainly look into it.



Oct 27, 2009 at 05:37 PM
kakomu
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p.1 #14 · p.1 #14 · 85mm f1.8 with 1.4X extender


Mauro Aguirre wrote:
I think the 100 f/2 would not icrease the reach enough. How's the 100 f2 compared to the 85 f1.8 with regards to picture quality?


The common Wisdom on the boards suggest that the 85 f/1.8 and 100 f/2 are almost the same as far as quality is concerned. They're also very similar in shape and design (which would explain how similar they are to each in terms of quality). However, the difference between 85mm and 100mm is really tiny. I don't think it'll really make much of a difference.

As an aside, you may want to look out for the 200 F/2.8. That would provide you with a lot of reach and F/2.8 aperture. It can be had for far less than the 135 F/2 (about $680 used at KEH).

Also, you may want to take a look at the 135 f/2.8. It's slower, but far less expensive ($275 used at KEH).



Oct 27, 2009 at 05:42 PM
omarlyn
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p.1 #15 · p.1 #15 · 85mm f1.8 with 1.4X extender


Here's another suggestion: If you already own the 85/1.8 and were considering buying the Canon 1.4TC, you could sell the 85 and with the money you would have spent on the TC you could buy (or come pretty close to) a used 200/2.8. This will give you the focal length you need & steller optics at a price point that might work for you.

HTH,
Omar



Oct 27, 2009 at 06:01 PM
G. Thomas
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p.1 #16 · p.1 #16 · 85mm f1.8 with 1.4X extender


I'll chime in and say that the 200mm f/2.8 is an excellent lens. I used it for an airshow and was impressed with the sharpness and rendering.


Oct 27, 2009 at 06:10 PM
Mauro Aguirre
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p.1 #17 · p.1 #17 · 85mm f1.8 with 1.4X extender


Thanks all for the suggestions.

Looks like the 135 Soft focus and 200 f2.8 are all excellent options. I'm leaning tward the 135 SF since I think the 200 f2.8 will be a bit too long (320mm equiv on an XTi) and will see very little use.






Oct 27, 2009 at 07:59 PM
Navyblue
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p.1 #18 · p.1 #18 · 85mm f1.8 with 1.4X extender


135L and 200L cost about the same.


Oct 27, 2009 at 11:37 PM
mh2000
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p.1 #19 · p.1 #19 · 85mm f1.8 with 1.4X extender


the 100/2 is generally nicer than the 85/1.8. Less CA and smoother bokeh... otherwise they are very similar.

Mauro Aguirre wrote:
I really would love to have a 135L...=)...

I think the 100 f/2 would not icrease the reach enough. How's the 100 f2 compared to the 85 f1.8 with regards to picture quality?

Thanks




Oct 27, 2009 at 11:46 PM
mh2000
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p.1 #20 · p.1 #20 · 85mm f1.8 with 1.4X extender


since canon recently raised the prices ($525) of the 135SF I'd expect it to go up for used prices sometime. recently, they went for as little as $150 used (I paid $230 new from b&h not that long ago). get one soon. really nice little lens. love mine, works really well with Kenko Pro TC, doesn't focus that poorly, I shoot my kids with field sports with it (not pretending to be a serious sports photog) and it works for what I need. FWIW, I sold my 70-200/4L after comparing it with the 135SF w/wo TC.

Also, a 1.4 TC gets ~190mm on a 135, not on an 85. (oops, on crop, you are right, 85 gets to an equivelant of ~190, the 135 will go to ~215mm no TC, 300mm w/1.4)



Oct 28, 2009 at 01:15 AM
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