Update#3: more Canon EOS-1 Mark IV samples at different ISO available here.
Update#2: Canon's ISO102,400 picture was removed but you can still see it here. Canon also pulled the plug on the “Nocturne” video by Vincent Laforet.
Update: Canon Mark 4 ISO 102,400 sample shot available here (are those for real ??? - scroll to the bottom of the page) - you can compare it to Nikon's ISO 102,400 sample shot.
Slow on rumors, here is something to keep you entertained: Adorama published a brief specs comparison between the Nikon D3s and the freshly released Canon EOS-1 Mark IV:
|Feature||Canon EOS-1 Mark IV||Nikon D3s|
|Top “Hi” ISO||102,400||102,400|
|Video||1080p HD, 24, 25 or 30fps||720p, 24fps|
|Sensor||CMOS, APS-H (1.3x crop)||CMOS, 35mm “FX” format|
|AF System||45 Point, 39 cross-type||51 Point, 15 cross-type|
|Pixel size||5.7 microns||8.45 microns|
|LCD resolution||920k pixels, 3 inches||921k pixels, 3 inches|
|Burst rate||10fps||9fps (full frame) 11 fps (DX crop)|
|Shutter speeds||30-1/8000 sec, 0.3, 0.5, 1 stops||30-1/8000 sec, 1/3 stops|
|Flash sync||1/300 sec||1/250 sec|
|Meter||63 zone||1005 pixel, auto scene recognition|
|Card slots||1 CF, 1 SD slot||2 CF slots|
|A/D conversion||14-bit||16-bit (?)|
|Cool||Auto copyright info in EXIF||Quiet Shutter Mode|
|Pseudo-HDR||Auto Light Optimizer||Active D-Lighting|
|Build Quality||Weatherized; Magnesium alloy||Magnesium alloy|
|Battery||Li-on LP-34 rechargeable||EN-EL4/4a Li-ion rechargealbe|
|Size||6.2x6.2x3.1 inches||6.3x6.2x3.4 inches|
|Weight||2.6 lb||2.7 lb|
Cannot wait to see real shots comparison, especially at ISO 102,400.