It is always exciting to hear that your most-used piece of photography kit is being replaced with a new và improved model - as was the case for me with the announcement of the Canon EOS-1Ds Mark III.The 1Ds III is Canon"s ultra-high-end DSLR, delivering top-of-the-line image quality from a top-of-the-line shooting system matched lớn a top-of-the-line physical structure.

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If you read the 1D Mark III đánh giá (Canon"s other current-at-this-time 1-Series DSLR), you are going khổng lồ think that much of the 1Ds III reviews sounds familiar.And for a good reason.These two redesigned-from-the-ground-up cameras are mostly identical with the exception of a few significant differences - including the sensor size/resolution (and associated parts including the viewfinder) and the max frame rate/buffer depth.Here is how they and the other current Canon DSLRs compare in these and other regards ...

ModelFOVCFSensorPixel SizePixels/MegapixelsViewfinderDLA*
Canon PowerShot G1 X1.9x18.7x14.0mm4.3µm4352x326414.3f/6.9
Canon PowerShot G124.7x7.4 x 5.6mm2.7µm3648x204810.0f/4.3
Canon PowerShot G94.7x7.6 x 5.7mm2.5µm4000x300012.1f/4.0
Canon EOS M1.6x22.3x14.9mm4.3µm5184x345618.0f/6.8
Canon EOS Rebel SL1 / 100D1.6x22.3x14.9mm4.3µm5184x345618.0.87x95%f/6.8
Canon EOS Rebel T5i / 700D1.6x22.3x14.9mm4.3µm5184x345618.0.85x95%f/6.8
Canon EOS Rebel XTi / 400D1.6x22.2x14.8mm5.7µm3888x259210.1.80x95%f/9.1
Canon EOS Rebel XT / 350D1.6x22.2x14.8mm6.4µm3456x23048.0.80x95%f/10.2
Canon EOS 300D Digital Rebel1.6x22.7x15.1mm7.4µm3088x20566.3.80x95%f/11.8
Canon EOS 70D1.6x22.5x15.0mm4.1µm5472x364820.2.95x98%f/6.6
Canon EOS 60D1.6x22.3x14.9mm4.3µm5184x345618.0.95x96%f/6.9
Canon EOS 50D1.6x22.3x14.9mm4.7µm4752x316815.1.95x95%f/7.5
Canon EOS 40D1.6x22.2x14.8mm5.7µm3888x259210.1.95x95%f/9.1
Canon EOS 7D1.6x22.3x14.9mm4.3µm5184x345618.01.0x100%f/6.9
Canon EOS 6D1.0x35.8x23.9mm6.54µm5472x364820.2.71x97%f/10.5
Canon EOS 5D Mark III1.0x36.0 x 24.0mm6.25µm5760x384022.3.71x100%f/10.1
Canon EOS 5D Mark II1.0x35.8 x 23.9mm6.4µm5616x374421.1.71x98%f/10.2
Canon EOS 5D1.0x35.8x23.9mm8.2µm4368x291212.8.71x96%f/13.2
Canon EOS-1D X1.0x36.0x24.0mm6.9µm5184x345618.1.76x100%f/11.0
Canon EOS-1D Mark IV1.3x27.9x18.6mm5.7µm4896x326416.1.76x100%f/9.1
Canon EOS-1D Mark III1.3x28.1x18.7mm7.2µm3888x259210.1.76x100%f/11.5
Canon EOS-1D Mark II N1.3x28.7x19.1mm8.2µm3520x23368.2.72x100%f/13.2
Canon EOS-1D Mark II1.3x28.7x19.1mm8.2µm3520x23368.2.72x100%f/13.2
Canon EOS-1Ds Mark III1.0x36.0x24.0mm6.4µm5616x374421.1.76x100%f/10.2
Canon EOS-1Ds Mark II1.0x36.0x24.0mm7.2µm4992x332816.6.70x100%f/11.5

ModelFPSMax JPGMax RAWShutter LagVF Blackout
Canon EOS Rebel SL1 / 100D4.028/11407/875ms
Canon EOS Rebel T5i / 700D5.022/306/675ms
Canon EOS Rebel T4i / 650D5.030675ms
Canon EOS Rebel T3i / 600D3.734690ms130ms
Canon EOS Rebel T2i / 550D3.734690ms130ms
Canon EOS Rebel T1i / 500D3.4170990ms130ms
Canon EOS Rebel T5 / 1200D3.0696
Canon EOS Rebel T3 / 1100D3 / 28305110ms150ms
Canon EOS Rebel XSi / 450D3.553690ms130ms
Canon EOS Rebel XS / 1000D3 / 1.5n/a590ms
Canon EOS Rebel XTi / 400D3.02710100ms170ms
Canon EOS Rebel XT / 350D3.0144100ms170ms
Canon EOS 70D7.040/6515/1665ms97ms
Canon EOS 60D5.3581659ms100ms
Canon EOS 50D6.3901659ms100ms
Canon EOS 40D6.5751759ms100ms
Canon EOS 30D5.0301165ms110ms
Canon EOS 20D5.023665ms115ms
Canon EOS 7D8.0110/13023/2559ms100ms
Canon EOS 6D4.573/125014/17Canon EOS 5D Mark III6.065/16k13/1859ms125ms
Canon EOS 5D Mark II3.978/31013/1473ms145ms
Canon EOS 5D3.0601775ms145ms
Canon EOS-1D X12/141803836-55ms60ms
Canon EOS-1D Mark IV10.01212840-55ms80ms
Canon EOS-1D Mark III10.01103040-55ms80ms
Canon EOS-1D Mark II N8.5482240-55ms87ms
Canon EOS-1Ds Mark III5.0561240-55ms80ms
Canon EOS-1Ds Mark II4.0321140-55ms87ms

Each of Canon"s 1Ds bodies to lớn date have been introduced with a new sensor having the highest resolution available at that time(the prior-model 1Ds Mark II is still the second highest resolution DSLR).And as usual, the new sensor gets a significant amount of the fanfare in this latest 1Ds iteration.No review-time-current DSLR compares lớn the Canon EOS-1Ds Mark III in regards to lớn its ultra high 21.1 megapixel full frame resolution.

Going from the 1Ds II"s 16.6 MP khổng lồ the 1Ds III"s 21.1 MP sensor is not a huge resolution jump, but it makes a nice difference - more than I expected.I think the ISO 12233 resolution chart tool shows this difference the best.Here you can use the mouseover feature to compare the 1Ds III resolution with the ...

1Ds Mark II và the5D using a Canon EF 200mm f/2.8 L II Lens *

* What you need to lớn know about the above comparisons (aside from how lớn use the tool"s mouse-over feature) ...Canon specifies the 1Ds III viewfinder as having an "approx." 100 percent horizontal and vertical view.In reality - and like the 1D Mark III, it is somewhat less than 100% (maybe 98%?) - this makes precisely framing a chạy thử chart hard as I must rely completely on the zoomed LCD review.But, the LCD does not show a 100% view of the final image - cutting about 5 pixels off each side.For most real world uses, these are non-issues for this camera, but for these comparisons, the 1Ds III has an approximately .4% disadvantage khổng lồ the 1Ds Mark II & the 5D (which also doesn"t mean much in the real world).Full disclosure finished.

Another resolution comparison - use the mouseover feature on the link below the following image to lớn compare the 1Ds III khổng lồ the 1Ds II và 5D.

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These 100% sample crops were shot in the Neutral Picture Style (0 contrast) with sharpness set to 2.

Expect the additional resolution khổng lồ help most with the tiny details in your pictures - and with large prints or 100% zoom computer viewing.More headroom is available for cropping as well.If your subject does not have small details in it, the difference from 16.6 MP will not be as apparent.

Noise is a DSLR image attribute that gets a lot of attention.As pixel density on the sensor is increased & individual pixel size is decreased to accommodate this, there is less light reaching each pixel well.The result we often see with increased pixel density is increased high ISO noise in our images.In other words, without a công nghệ improvement, the 1Ds III should produce noisier images than the 1Ds II.Thanks at least in part lớn an improved sensor design, increased noise is not the case in this comparison.

I shot a lot of comparisons between these two bodies (and the 5D with its much less-pixel-dense sensor).In the end, I could show you examples lớn make either of the two 1-series bodies appear to be slightly better than the other.If you plan for the 1Ds III và 1Ds II khổng lồ have a similar amount of noise, you will not be disappointed.Up to & including ISO 400, they are about the same.Above ISO 400, the 1Ds III more frequently begins taking a very slight lead (less noise) & this lead increases to lớn slight at ISO 3200.Of course, uprezzing the 1Ds II lớn the 1Ds III"s pixel dimensions gives it a slightly increased disadvantage.Canon has always given us excellent low noise performance in their cameras - & unlike in the 1D II N khổng lồ 1D III tăng cấp decision, noise performance is not a good reason alone to upgrade from the 1Ds II khổng lồ the 1Ds III.

I mentioned that I compared the 1Ds III to lớn the 5D, Canon"s other current full frame DSLR, as well.With its larger individual px wells able to capture more light, it is expected that the 5D would be able lớn deliver better high ISO performance.Even with the disadvantage of being introduced over two years ago - a lifetime in digital SLR years - the 5D still turns in slightly better low noise performance at ISO 1600 & even slightly better performance at ISO 3200.Of course, as you can see with your own eyes in the above comparison links, the 5D does not come close khổng lồ the 1Ds III in resolution.Uprezzing the 5D image to the pixel dimensions of the 1Ds III results in a softer image with similar amounts of noise.

Noise reduction anywhere in the imaging process can be used khổng lồ virtually eliminate any amount of noise, but image detail is sacrificed in this process.I did all my testing with noise reduction off - you can turn it on in-camera or địa chỉ cửa hàng it during post-processing for noise-reduce to lớn your personal taste.I would rather have this option than lớn have the camera over-reduce noise và destroy image detail in the process.

Below, you can compare the 1Ds III ISO noise at full stop settings from ISO 100 through 3200 by moving your mouse over the ISO labels.This composition shows several smooth màu sắc tones/shades including those that show noise most readily.These images were taken from a long distance (slight atmospheric distortion is visible) & sharpening was set to 1 (very low).Increasing the sharpness setting increases the visible noise in the higher ISO shots.Notice how the small rivets in the door remain very identifiable even at ISO 3200.

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At identical camera settings (shutter, aperture and ISO) at & above ISO 400, the 1Ds III exposes .25 stops darker on average than the 1Ds II & .15 stops darker than the 5D.Canon reportedly is bringing their sensitivities in line with the industry standard - we have seen this on several of their recent models.

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I lượt thích the colors produced by the 1Ds III better than those from the 1Ds II.The 1Ds III colors are slightly more vibrant with richer midtones.I have still not shot a good comparison to show the improvement in gradation from the 14-bit images.

The last generation of Canon Digital SLR Cameras has brought us improved (reduced) vignetting,but in this case, the 1Ds III performs similarly khổng lồ the 1Ds II in my tests.

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Max frame rate và buffer depth are among the very few features the 1Ds III does not rank best in class in.Its half-the-cost 1D Mark III sibling shoots twice as fast for 2.5x as many RAW frames.But, 5 fps is a nice increase from the 4 fps found in the Canon EOS-1DS Mark II.The spec"d RAW buffer depth is only increased by 1 over the 1Ds II, but considering that the 1Ds III is moving 14 bit, 21.1 MP files at this rate is impressive.A 1Ds III RAW tệp tin is about 10 MB larger than the equivalent 1Ds II RAW tệp tin - about 26 MB vs. 16 MB.A 16 GB CompactFlash card formats to a 618 shot RAW capacity on the 1Ds III compared to 891 on the 1Ds II.These larger files require more processing time on a computer & your hard drive(s) will be gasping for breath before long.But, the images are definitely worth this price lớn me.

Back khổng lồ the frame rate và buffer depth - these numbers are dependent on the camera settings.Obviously, if you are shooting with a shutter speed of 1/2 sec, you are not going to get 5 frames per second from the camera.Other factors including high ISO settings, in-camera noise reduction, ... Are going to reduce the number of shots in full burst mode.

At ISO 100 with a fast shutter speed & wide aperture, the Canon EOS-1Ds Mark III regularly delivers 15 frames at 5 fps.Using an Extreme III 16GB CF card, another 2 shots were fired at about 1.3 seconds later & then an addition pair of shots were fired every 3 or 4 seconds.As this camera is compatible with UDMA (Ultra Direct Memory Access) for high-speed writing khổng lồ the CF card, you could expect even better performance from a card such as the SanDisk Extreme IV CF Card.These cards vì not make the camera buffer any larger, but they can empty it up to 2x faster.I don"t have an Extreme IV yet, but probably will jump when a 16GB or larger mã sản phẩm becomes available.The 1Ds III can transfer data 3x faster than the 1Ds II & 2x faster than the 1D III.

To hear the frame rate difference, listen khổng lồ a burst comparison between the 1Ds III, 1Ds II và 5D below.I"ll also include some of the other drive modes including the new "Silent Mode" (these are MP3 files) as well ...

1Ds Mark III --> 1Ds Mark II --> 5D Burst Comparison1Ds Mark III 5fps Burst1D Mark III Single Shot1Ds Mark III Silent Mode

In the comparison audio above, a difference in shutter sounds is apparent.I"m always surprised at how greatly the sound varies between models.The 1Ds III has a solid, tight, deep sound while the 1Ds II has a higher pitch and the 5D sounds klunky.

While not fastest in its class in frame rate, the Canon EOS-1Ds Mark III is fastest (or nearly so) in many other categories including shutter lag & viewfinder blackout time.These attributes make the camera very responsive - allowing the capture of a precise moment in time.Comparisons with other models can be made in the chart above.

The 1Ds III autofocuses extremely fast - noticeably faster than the 1Ds II and similar lớn the 1D III.One shot focus mode is very accurate.In light of the 1D III"s initial AI Servo issues (in certain conditions), everyone was holding their breath to hear how the 1Ds III would perform in this mode.These two bodies cốt truyện AF sensors, but their AI Servo AF algorithms are optimized khổng lồ their respective continuous shooting speeds. It takes a lot of use under a wide variety of conditions to lớn become completely familiar with a camera"s AI Servo AF performance -and as I write this, the sun hasn"t been out very much here in the last 8 weeks or so & summer heat levels are not coming soon lớn this location.But thus far, my 1Ds III is outperforming my 1Ds II by a nice margin - delivering a 10-15% or so improved keeper rate under tough AI Servo kích hoạt situations.

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The 1Ds Mark III retains the standard 45 focus point layout of the 1Ds II, but much has changed.You now can manually select only 19 of these AF points (as seen above), but they are all high-precision, cross-type points (both horizontal và vertical line sensitive) & spread out across the entire AF area.The AF area form size is not changed from the 1Ds II, though I wish it were larger.I would lượt thích to be able to shoot a person vertically and have the đứng đầu AF point at eye level.As it is, a small amount of re-framing (or cropping if tracking in AI Servo mode) is necessary.

Prior to having one of the Mark III 1-Series cameras, I typically used only the most-sensitive center AF point for tracking sports action.However, this method could be problematic - if the person was leaning too far forward or their arms got in the way, the athlete"s eyes would not be in focus.This new design allows tracking with a cross-sensitive focus point located closer lớn where an athlete"s head would be framed in a vertical orientation. The new selectable points are proving well-located for my other uses as well.I"ll gladly trade my 45 selectable points for the more-sensitive 19 (the older 45 point AF clustered its cross-type focus points around the center point).

The center AF point is cross-type sensitive with an f/4 or wider lens while the other 18 manually-selectable AF points are cross-type sensitive when used with an f/2.8 or wider lens.The balance of the points (26) are horizontal line-sensitive (to f/5.6) assist AF points - able to lớn be used in conjunction with the selectable points or when all points are active.

The 1Ds III"s AF system is highly customizable through Custom Functions - you can tune AF to your liking within the many parameters given.For autofocusing in lowlight, the EOS-1Ds Mark III is twice as sensitive as the EOS-1Ds Mark II.

For even more precise autofocusing, the 1Ds III allows AF Microadjustment as we first saw in the 1D III.This is an excellent feature that lets you perfectly focus-calibrate either the camera or your lenses khổng lồ the camera.If a camera or lens is significantly miscalibrated, it should be sent in for servicing, but for the rest, I suggest running the lenses through the easy focus calibration procedure.