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Thread started 16 Jan 2008 (Wednesday) 12:03
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Used lens from B&H for $120,000.00

 
Wilt
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Jun 08, 2009 11:26 as a reply to  @ post 8070055 |  #241

Easier using this...http://fcalc.net/onlin​e/ (external link)

On APS-C, 1200mm at 200' sees 3.8'x2.5'


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sevans16
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Jun 08, 2009 11:45 as a reply to  @ post 8070055 |  #242

This site has a few good calculators on it!!

http://www.tawbaware.c​om/maxlyons/calc.htm (external link)


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Rodinal
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Jun 08, 2009 12:09 |  #243
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VisualOddity wrote in post #8070055 (external link)
I was just thinking. I see the 1200mm Canon 'L' posted about every month. At $120,000 for the lens alone, and $693.55 for the cheapest shipping, it is a spectacle.

However, here is my question; How far is that 1200mm going to get you? For instance, lets say I want to take a nice above the shoulders portrait. I am in a completely flat field in the middle of nowhere. How far away do I need to be for this shot? Like 4.2 miles? hahaha
:cool:


*edit: Forgot the link: http://www.bhphotovide​o.com …ephoto_1200mm_f​_5_6L.html (external link)

Angles of view are available here: http://en.wikipedia.or​g/wiki/Canon_EF_1200mm​_lens (external link)
Knowing that, use simple trigonometry to find out.


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SteveBrown
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Jun 08, 2009 12:09 |  #244

KenjiS wrote in post #8067960 (external link)
I heard closer to 20 of them were made..Canon is very tightlipped on it

Also you ever see the Canon 5200mm f/14? Thats a **** of a lens, I told my mom about it and she didnt believe that there was a lens as big as the metal desk i was sitting at....that weighs about 300lbs

This one? I wonder how much it goes for?

IMAGE: http://farm4.static.flickr.com/3252/2433187773_48aee7236d.jpg

Nikon D300 and other non canon stuff, I just like this place. MOOOHAHAHAHA :p

  
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henryp
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Jun 08, 2009 13:59 |  #245

stevemacko wrote in post #7770321 (external link)
Has anyone here ever used one of these monsters?

The one advertised now is the 2nd we've had. When we got the first a few of us took it up to the roof for a little air (external link).

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B&H Photo-Video (external link)

  
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SteveNC
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Jun 08, 2009 14:08 |  #246

Can I get the 2% live.com (Bing) cashback with my purchase?

That's $2,400 off.


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- National Geographic ...with a 300D and a kit lens (external link)

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midnight_rider
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Jun 08, 2009 14:23 |  #247

SteveBrown wrote in post #8071496 (external link)
This one? I wonder how much it goes for?

QUOTED IMAGE

Wasn't that on ebay?


I never, Not once claimed to read your post...

  
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midnight_rider
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Jun 08, 2009 14:24 |  #248

henryp wrote in post #8072147 (external link)
The one advertised now is the 2nd we've had. When we got the first a few of us took it up to the roof for a little air (external link).
QUOTED IMAGE

Henry you have a very cool job!! I am almost jealous


I never, Not once claimed to read your post...

  
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Wilt
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Jun 08, 2009 14:30 |  #249

SteveBrown wrote in post #8071496 (external link)
This one? I wonder how much it goes for?

QUOTED IMAGE

Is that a lens cap, or an elephant's diaphram?!


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MrSteve
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Jun 08, 2009 15:21 as a reply to  @ Wilt's post |  #250

Ok this section in bold (quoted from the B&H Web Site) is just priceless!

"Need something longer? A Canon Extender EF 1.4x (external link) boosts the beast up to a 1680/8, and the Canon Extender EF 2x (external link) will get you to a 2400/11. For what it's worth, if you couple this lens to a Rebel XTi (external link) or EOS 40D (external link) you end up with the 35mm-equivalent of 1920/5.6, a 2688/8 with a 1.4x extender, and a 3840/11 with a 2x extender. If you need to focus any tighter to your subject you'll have to hop a plane and fly there.


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Jun 08, 2009 19:35 |  #251

SteveBrown wrote in post #8071496 (external link)
This one? I wonder how much it goes for?

QUOTED IMAGE

Holy crap, it looks like the Hubble.  :p


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Lightstream
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Jun 08, 2009 20:01 |  #252

sig_equinox wrote in post #8065109 (external link)
haha that's intense.

with an APS-C sensor and a 2X converter? haha insane. slow, but that would be sick.

Slow doesn't matter, you shoot from a tripod - 15 seconds, 30 seconds, all easily doable.. besides you can ramp up the ISO.

f/5.6 to f/8 to f/11 (2 stops with converter) is still manageable - lots of folk shoot extended 100-400's this way. A 1.4x TC will give you f/8, and I usually stop down a stop for extra quality. In daylight, ISO 400 is quite adequate.

Cyclop wrote in post #8069766 (external link)
Are wheels included with this monster lens? LOL! I have better use for my hard earned money...

I hear the tripod is free if you buy new.

Lenty007 wrote in post #8071127 (external link)
On a full frame sensor this would be 20,8 meters (landscape photo).

How do we do that?
Well, lets say we want to take a picture of a head and we measure it about 40 cm (a bit shoulders to go along).

Next we take the tangens of the vertical angle from the 1200mm lens on a full frame body (1°10") being 0,01920098090772349900​8214310698656

Next we do the math and devide 0,4 meters to 0,01920098090772349900​8214310698656 = 20,8 meters

The degrees from different lenses you can find in the database. For the tangens you have the mathematic setting of the windows calculator. The rest speeks for itself. Works every time and is pretty acurate.

Good luck.

Alain,

Great, thanks for the calculation. Looks like all the years I spent on maths may come in useful in the end ;)




  
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SteveNC
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Jun 08, 2009 20:50 |  #253

IMAGE: http://farm4.static.flickr.com/3252/2433187773_48aee7236d.jpg

I actually think it looks like a Canon Potato canon.

"Dream it. Plan it. Do it."
- National Geographic ...with a 300D and a kit lens (external link)

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KenjiS
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Jun 09, 2009 01:33 |  #254

SteveNC wrote in post #8074428 (external link)
QUOTED IMAGE

I actually think it looks like a Canon Potato canon.

I'd put it in my front yard to frighten the neighbors...


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SteveNC
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Jun 09, 2009 01:34 |  #255

I wonder if I could shoot either of these beasts hand-held. There's no Image Stabilization. Psh.


"Dream it. Plan it. Do it."
- National Geographic ...with a 300D and a kit lens (external link)

85 1.2L II, 70-200 2.8L IS, 100-400L IS, 17-40L, 50 1.4, 85 1.8, Elinchrom, Lastolite, Photoflex, Think Tank, Member: Canon Professional Services, National Association of Photoshop Professionals

  
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Used lens from B&H for $120,000.00
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