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By admin, on March 3rd, 2014
 Image credit: John Triebe (dpreviewforum member) Some of A7 and A7R users talking about Light Leak problem through the lens mount, To test it you have to put the lens cap on and set the ISO range at 16000 / 256000 and set the shutter at 30 sec, finally shine flashlight around the lens mount, if you camera does have problem your image will show light leak. That light leak also means the models are not completely weather-sealed and will grab dust and moisture inside the system..
Take a look at some users comment
LarryMarshall said : As the owner of two A7R’s, this is very concerning. I tested mine and I have the same issue. I had four of my friends test theirs as well….they also had the same problem. I made two calls today and talked to Sony reps about this issue. They seemed unconcerned which was shocking! Can we be kept up to date with the progress of this issue here, or another site?
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user xky: I bought both A7 and A7R at BH Photo. Both have light leaking and lens flare issues. see some sample photos below. i did tests on both A7+FE35 and A7R+FE55.
http://farm8.staticflickr.com/7415/11849076956_c9d2552097_b.jpg
http://farm4.staticflickr.com/3729/11848280555_504822f1c4_o.jpg
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More details available here community.sony.com , dpreview forum and also some noise at Facebook
But keep in mind that the problem is limited to a particular batch of cameras since many users (including TheNewCamera Users) didn’t find such problem in A7 and AR, please send us emails at contact[at]thenewcamera.com if you see any problem in your models.. we will publish it in our website.
By admin, on March 2nd, 2014
Leica X Vario sensor test result published at DXOMark Lab today, the camera total sensor score is 78, low-light ISO score is 1320, not its realyy a good score for a APS-C based compact camera
Buy Leica X Vario from Amazon | Buy Leica X Vario from B&H
By admin, on March 1st, 2014
Nikon D4s is not a true successor of Nikon D4 DSLR, its just a speedy version of Nikon D4 camera that may fit easily more with sports shooters and photojournalist.
Now take a look at the specification comparison review of both the camera, does Nikon new Expeed 4 image processor is faster than Canon Dual Digic 5+ ?, find out your answer below…
Sensor: The Nikon D4s features 16.2 megapixels Full frame (36 x 23.9 mm) CMOS Sensor same as of Nikon D4 DSLR, the increased ISO range in D4 is due to (standard upto 25600 and expandable upto 409600) the new Expeed 4 image processor, the Canon 1DX on the other hand features 18.1 megapixels Full frame (36 x 24 mm) CMOS Sensor 1-stop more standard ISO range and 1-stop less expandable ISO range when compared to Nikon D4 DSLR.
ISO performance:
|
Nikon D4s |
Canon 1D X |
| ISO Standard |
100-25600 |
100-51,200 |
| ISO Expandable |
50- 409600 |
50 – 204,800 |
Auto Focus
|
Nikon D4s |
Canon 1DX |
| Autofocus |
Number of focus points 51 |
Number of focus points 61 |
| Cross-Type Points |
15 |
41 (5 diagonal) |
| AF Sensor compatible with Apertures |
f/8 |
f/8 |
| AF Engine |
Multi-CAM 3500FX (same as D3) |
DIGIC IV |
| Predictive tracking |
Yes |
Yes |
Nikon D4s AF System
Nikon D4s features same (old) AF engine used in D3, D4 DSLR – Multi-CAM 3500FX autofocus sensor handles 51 AF points, aligns its 15 cross-type sensors in the central viewfinder area to detect contrast in both vertical and horizontal lines for better AF performance.
Nikon AF system is old, but comes with a upgraded AF Algorithm that features Group area AF, When Group-area AF is selected, the camera uses one focus point selected by the user and one each above, below, to the right, and to the left of the selected focus point, for a total of five focus points used as single AF point. It helps to capture speedy subjects with greater certainty without focus shifting to the background.
Canon 1DX AF System
Auto focus Points: The number of AF points and Cross/Type points canon wins, the Canon 1D X features 41 AF cross type points and 5 of the center points are oriented diagonally for faster AF performance.
AF Engine: Canon 1D X AF system uses dedicated Digic 4 processor , EOS-1D X’s comes with 61-point Area AF system that includes 41 cross-type sensors and 5 dual-cross type AF points for extra precision.
Canon 1D X offers six presets for different shooting situations, Each of these presets can be adjusted for ‘Tracking sensitivity’
For faster predictive focus measurements so that the EOS-1D X can begin predictive tracking as soon as a subject begins to move.
| Canon EOS-1D X AF mode presets, defined by subject behavior: |
| 1. Versatile multi purpose |
4. Subjects that accelerate or decelerate quickly |
| 2. Continue shooting, ignore obstructions |
5. Erratic Subject Movement |
| 3. Instantly refocus suddenly with obstructions |
6. Subjects that change speed and move erratically |
Six preset Case studies
There are six AF ‘Case studies’ preset within the EOS-1D X
- Case 1 is for general purpose shooting that provides accurate and fast focus across a wide range of shooting situations.
- Case 2 is designed for situations where the subject may move away from the AF point momentarily.
- Case 3 allows you to instantly focus on subjects that enter the AF point area.
- Case 4 is designed for subjects that change speed or direction rapidly.
- Case 5 is designed for use with automatic AF point selection, Zone AF and AF Point expansion and subjects that move erratically, up and down or left and right.
- Case 6 is for subjects that change speed abruptly and move erratically. Like ‘Case 5’ it is used with Automatic AF point selection, Zone AF and AF Point Expansion.
Continuous shooting
|
Nikon D4s |
Canon 1D X |
|
exposure and focusing is locked with the first frame
|
| Continuous shooting |
11 fps |
14 fps |
1DX that wins in the shooting speed, you get 3 extra frame per second in canon.
Video Shooting
|
Nikon D4s |
Canon 1D X |
| Video Shooting Format |
MPEG-4 / H.264 |
MPEG-4 / H.264 |
| Video Resolutions |
1920 x 1080 (60, 30, 25, 24 fps), 1280 x 720 (60, 50, 30, 25 fps), 640 x 424 (30, 25 fps) |
1920 x 1080 (30, 25, 24 fps, 1280 x 720 (60, 50 fps), 640 x 480 (60, 50 fps) |
| Video ISO Range |
200-204800 |
100-51200 |
Nikon gives you option to record your Fill HD videos @ 60fps frame rate however the Canon is limited to 30 fps frame rate at the Full HD mode, but not only that you get more extra benefit from Nikon D4s such as
- More Video ISO range in Nikon D4s DSLR.
- You can record 1,920 x 1,080/30p Full HD and HD movies in three formats that are FX-, DX-based and 1,920 x 1,080 crop movie format.
Nikon D4s with More shooting modes: With Canon 1D X you can use Canon EF lenses only, but with Nikon D4s you can use DX and FX lenses, Nikon D4s offers four image area options: FX format (36.0 x 23.9 mm), 5:4 crop (29.9 x 23.9 mm), 1.2x crop (29.9 x 19.9 mm) and DX format (23.4 x 15.5 mm). The camera also offers three image area options for Full HD video thereby tripling its potential for moviemaking.
Storage: 1DX coming with two slots of high-speed UDMA 7 Compact Flash cards, D4s also comes with two slots one for UDMA 7 and the other slot for the new XDC card format.
Conclusion: I think Nikon need a “Nikon D5” DSLR to beat the core specification of 1 year old Canon 1DX DSLR, The AF system of Canon 1DX is still advance and on the other hand Nikon features better video mode and expandable ISO range is 1 stop more than Canon 1DX (although the standard ISO range remains 1-Stop less than Canon 1DX)
For latest Price and Pre-order Nikon D4s visit Amazon, B&H and Adorama
Buy Canon 1D X from Amazon
By admin, on March 1st, 2014
Just like Nikon V1 and V2 models Nikon optimized its newly developed Expeed 4 image processor for the mirrorless system and the newly developed processor is known as Nikon Expeed 4a, the 4a will be used on upcoming Nikon V3 mirrorless camera, take a look at the more details below
Nikon V3 Rumoured Specification
- New 18 MP 1″ inch Sensor with better low light performance
- Expeed 4a imaging processor
- 180° swivel LCD screen
- Optional optical viewfinder / some other sources also saying the Nikon 1 V3 will have a optional EVF too
- New design (same as above)
- External grip with extra shutter button but will not take any extra batteries
The camera is expected to arrive on 2nd or 3rd week of march 2014, Nikon may also introduce some new Nikkor 1 lenses with v3.
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By admin, on February 28th, 2014
 Today in an interview Canon executive Mr. Go Tokura said that “There are plans for the M2 to arrive in the U.S.” and not only to US Canon also have plans to introduce Canon EOS M2 to Europe.
Canon will also release more lenses for the EOS M system but they will not publish any road map like others since it’s against company policy to to talk about a unreleased product(s).
Take a look at the specification comparison here – Canon EOS M2 vs Canon EOS M
src-IR.com
By admin, on February 28th, 2014
Nikon D4s vs Nikon D4, the newly developed DSLR bring many new features inside it that includes new sensor, fast image processor and better video mode, for more details take a look at the details below.
Increase in ISO range – Two factors inside the camera responsible for the ISO range first is sensor and second is image processor, form the High ISO test images that we have seen (included at the end of the post) we can clearly see better noise control (with bit less details) in D4s High ISO images so we conclude that
- The sensor quality is same as of Nikon D4
- Newly developed noise reduction algorithm work bit more aggressively inside Nikon D4s when compared to Nikon D4.
Fast Image Processor: Nikon added newly developed image processor inside Nikon D4s body, the new image processor is approx 30% faster than the old Expeed 3 image processor (according to Nikon). The Newly developed image processor also increases the AF speed of the camera upto 30% during test condition,
Nikon D4s comes with group area AF to quickly acquire the AF point for the first time: The five AF points of the center can be configured to utilize five AF points as a single focusing point in the Group Area AF setting for heightened initial subject recognition.
The Auto Focus module is same as Nikon D4 (Muilti CAM 3500 FX) but due to EXPEED 4 image processor the overall AF speed increases.
For more details about the improvement take a look at the table below.
Video: Nikon D4s can now record videos upto 60fps at Full HD mode, + three formats are also available that include FX, DX and CX format, take a look at the table below for major difference between these two prime machine.
Nikon D4s vs Nikon D4 High ISO Test
I really appreciate the effort made by Nikon to boost the ISO range to a next level, but when I see at comparison images taken at ISO 1600, the Nikon D4s noise reduction filter look bit strong compared to Nikon D4, as a result we can clearly see less noise + bit less details in the image samples. The Nikon D4s images look bit softer than the Nikon D4 images.
Verdict: Nikon D4s have many improvements over AF system and Video modes, you also get improved ISO range with D4, however base at ISO range the D4 look bit more sharp than D4s.
For Current D4 owners I will recommend you to wait for Nikon D5 DSLR to see major improvement over ISO range and AF system, for new users / buyers we highly recommend you to buy Nikon D4s.
For latest Price and Pre-order Nikon D4s visit Amazon, B&H and Adorama
By admin, on February 28th, 2014
According to latest rumors Canon may announce 7D mark II in Q2 (April / May / June) of 2014, earlier it was said that it may arrive in Q3 / possibly in Photokina 2014.
Absence of competitors: There is actually no pressure in front of Canon to release a Canon 7D Mark II model yet due to absence of Nikon D400 model, the mid-range Canon 70D with PDAF sensor is giving strong competition to Nikon D7200.
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src-NL.com
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