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Thread started 22 Jan 2009 (Thursday) 16:44
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1Ds Mk IV - 0.8 crop??

 
beepclick
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Jan 22, 2009 16:44 |  #1

Just thinking - never a good thing with me. Suppose Canon has plans for a sensor with a negative crop factor, i.e., larger than 36x24mm full-frame. Something like a 45mm x 30mm for a 0.8 crop, which maintains the 3:2 sensor dimensions? Around 30mp. Of course, the body would be formidable, and think of the shutter sound - at 5fps!

Maybe not the 1Ds Mk IV. EOS ZD? EOS M1?


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Lazuka
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Jan 22, 2009 16:45 |  #2
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You know this will end up being transferred to the rumor mill.


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Vascilli
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Jan 22, 2009 16:45 |  #3

Pop this into the rumors section, eh?

A negative crop factor would wreak havoc with the EF mount and the image circle.. I'm not sure how big it is.


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tonylong
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Jan 22, 2009 16:48 |  #4

beepclick wrote in post #7165161 (external link)
Just thinking - never a good thing with me. Suppose Canon has plans for a sensor with a negative crop factor, i.e., larger than 36x24mm full-frame. Something like a 45mm x 30mm for a 0.8 crop, which maintains the 3:2 sensor dimensions? Around 30mp. Of course, the body would be formidable, and think of the shutter sound - at 5fps!

Maybe not the 1Ds Mk IV. EOS ZD? EOS M1?

You been smokin' somethin':)? Boy, people complain about vignetting and corner softness as it is!


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Collin85
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Jan 22, 2009 16:50 |  #5

beepclick wrote in post #7165161 (external link)
Just thinking - never a good thing with me. Suppose Canon has plans for a sensor with a negative crop factor, i.e., larger than 36x24mm full-frame. Something like a 45mm x 30mm for a 0.8 crop, which maintains the 3:2 sensor dimensions? Around 30mp. Of course, the body would be formidable, and think of the shutter sound - at 5fps!

Maybe not the 1Ds Mk IV. EOS ZD? EOS M1?

Doubt it.. consider the lenses. EF lenses are designed for FF.

Anyway, in before the move-to-rumor. :lol:


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AdamLewis
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Jan 22, 2009 16:52 |  #6

Yeah! Totally! .8 crop!


Except not a single EF lens would work...


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Lazuka
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Jan 22, 2009 16:59 |  #7
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AdamLewis wrote in post #7165218 (external link)
Yeah! Totally! .8 crop!


Except not a single EF lens would work...



man you're a killjoy :X


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smorter
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Jan 22, 2009 16:59 |  #8

What's the point of a 0.8 crop if no lenses will work with it...


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beepclick
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Jan 22, 2009 17:16 |  #9

Told you me sitting around thinking is a formula for disaster.
Didn't think about the EF mount - we..need..new lenses!! No, wait..Canon will make a .8x teleconverter: 1/4" slim, ED glass, modifies the image circle before it hits the bodacious sensor.

I didn't realize there was a Rumors forum.

MODS: Please move. Sorry about that.


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Paul ­ J ­ McCain
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Jan 22, 2009 17:19 |  #10

lmao super vignetting on every existing lens, if it even would work at all...


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BTP
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Jan 22, 2009 18:45 |  #11

haha, hey, it might have HD just like the 5d2




  
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pieq314
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Jan 22, 2009 21:57 |  #12

Vignetting will not be an issue. Or I should say, Canon can update some lenses so that the image circle is larger, because Canon lens mount has a large diameter. Remember, Nikon's lens mount's diameter is much smaller for the 35mm format, so the larger Canon mount should be able to accommodate image circles larger than the 35mm format.

The real problem is the mirror. There will not be enough clearance for a mirror significantly larger than what is in the 1Ds Mk III.


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smorter
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Jan 23, 2009 05:14 |  #13

beepclick wrote in post #7165407 (external link)
Told you me sitting around thinking is a formula for disaster.
Didn't think about the EF mount - we..need..new lenses!! No, wait..Canon will make a .8x teleconverter: 1/4" slim, ED glass, modifies the image circle before it hits the bodacious sensor.

I didn't realize there was a Rumors forum.

MODS: Please move. Sorry about that.

lol it's a fun idea anyway :D


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ed.
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Jan 23, 2009 05:20 |  #14

Maybe the bigger sensor can be used for in-body IS :p


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leitch
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Jan 23, 2009 07:35 |  #15

smorter wrote in post #7165276 (external link)
What's the point of a 0.8 crop if no lenses will work with it...

What's the point of speculating around things that we'll never actually know until the thing is released?


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1Ds Mk IV - 0.8 crop??
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