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Forum: Camcorders   07-09-2014, 03:28 AM
Replies: 26
Views: 748
Posted By markr041
I have limited experience with Action Cams. The...

I have limited experience with Action Cams. The Panasonic A500 certainly has better image quality than the Sony AS15 or AS30. 4K has proven to be superior to HD from any cam (and the A500 is real 4K...
Forum: Camcorders   07-09-2014, 01:16 AM
Replies: 6
Views: 376
Posted By markr041
Videos from Shenzhen and Hong Kong

Hong Kong Lake:


https://vimeo.com/100187219


http://i849.photobucket.com/albums/ab56/markr041/HKLakeflower_zpsfb08271d.jpg
Forum: Camcorders   07-08-2014, 03:54 PM
Replies: 26
Views: 748
Posted By markr041
Left the A500 next to the hotel window in...

Left the A500 next to the hotel window in time-lapse mode, and got a thunderstorm. 2.5 hours collapsed to just over a minute.

https://vimeo.com/100093798
Forum: Camcorders   07-08-2014, 07:37 AM
Replies: 14
Views: 432
Posted By markr041
The Ultimate Shoot-Out: AX100 (4K), BMPCC (RAW), ZS30, GW77, TD10 (3D)

Here are short videos taken at the same Hong Kong Lake over the years with different popular camcorders/cameras in reverse chronological order, starting with our current technology - 4K - and going...
Forum: Camcorders   07-07-2014, 08:41 PM
Replies: 6
Views: 376
Posted By markr041
Report from the Field: the Sony AX100

I decided for a trip to four China cities + Hong Kong (as a non tourist) I would bring the AX100, rather than the GH4 and lenses, as I like to travel light. Here is what I learned:

1. In 95+ F...
Forum: Camcorders   07-07-2014, 07:46 PM
Replies: 9
Views: 225
Posted By markr041
Here is a video comparison at night (very dim...

Here is a video comparison at night (very dim light) at 4K of the AX100 and the Panasonic GH4. The AX100 at 4K is actually excellent in low light.


https://vimeo.com/97288660


You can...
Forum: Camcorders   07-07-2014, 06:58 PM
Replies: 2,123
Views: 86,953
Posted By markr041
If you set the audio levels correctly (manually),...

If you set the audio levels correctly (manually), the limiter has virtually no effect on the audio quality or dynamics. It is there in case the sounds exceed the maximum and protects against digital...
Forum: Camcorders   07-07-2014, 06:33 PM
Replies: 2,123
Views: 86,953
Posted By markr041
Manual focus is easy, with peaking and 4X...

Manual focus is easy, with peaking and 4X magnification. They both were used here, in bright sunlight (frame grab):


http://i849.photobucket.com/albums/ab56/markr041/HKLakeflower_zpsfb08271d.jpg
Forum: Camcorders   07-07-2014, 05:57 PM
Replies: 2,123
Views: 86,953
Posted By markr041
The above post is meant to show the consequences...

The above post is meant to show the consequences of panning with rs. Any consequences are seen in the defocused background.


Panning was used to follow the dancers. A 1/60th shutter was used to...
Forum: Camcorders   07-07-2014, 05:54 PM
Replies: 2,123
Views: 86,953
Posted By markr041
Panning Frame Grab

http://i849.photobucket.com/albums/ab56/markr041/ShenzhenDance2_zpsa7b3de05.jpg
Forum: Camcorders   07-05-2014, 07:48 AM
Replies: 42
Views: 1,550
Posted By markr041
Seiki 39" 4K monitor now $329

It's real 4K, and it's 39". And pros think the color is very good. Just viewing your photos on it makes it worthwhile (they are all much greater than 1080 resolution).


$329, free shipping from...
Forum: Camcorders   07-05-2014, 02:00 AM
Replies: 2,123
Views: 86,953
Posted By markr041
This thread has gone on quite a while before you...

This thread has gone on quite a while before you entered, with plenty of posted videos demonstrating the performance of the AX100 in many circumstances. So that you can better add something new, I...
Forum: Camcorders   07-04-2014, 04:19 PM
Replies: 2,123
Views: 86,953
Posted By markr041
Indeed. We have lots of videos posted here...

Indeed. We have lots of videos posted here showing that. I think the low-light performance was somewhat surprising to many.
Forum: Camcorders   07-03-2014, 05:43 PM
Replies: 7
Views: 352
Posted By markr041
A nice demonstration of some of the benefits of...

A nice demonstration of some of the benefits of shooting 4K.


But it also demonstrates the hazards of shooting with two very different cameras. The iPhone shots were distractingly differentially...
Forum: Camcorders   07-02-2014, 08:13 PM
Replies: 42
Views: 1,550
Posted By markr041
Seiki 4K TV-monitor now $369

http://www.amazon.com/Seiki-SE39UY04-39-Inch-Ultra-120Hz/dp/B00DOPGO2G


You can view native, real 4K on a relatively big screen (39") for $369. Now with firmware updates and user experiences it...
Forum: Camcorders   07-01-2014, 05:58 AM
Replies: 2,123
Views: 86,953
Posted By markr041
It's not very small, but this is a brief 4K video...

It's not very small, but this is a brief 4K video from the AX100 that you can download for free:


https://vimeo.com/98976053
Forum: Camcorders   07-01-2014, 01:06 AM
Replies: 26
Views: 748
Posted By markr041
You have a good memory - yes, it was on. This may...

You have a good memory - yes, it was on. This may have been partly responsible for the very low resolution. As noted, you cannot use stabilization in 4K mode on the A500.
Forum: Camcorders   06-30-2014, 05:47 AM
Replies: 2,123
Views: 86,953
Posted By markr041
Forget checking. Just do the upgrade. As part of...

Forget checking. Just do the upgrade. As part of the upgrade process, it will check what version you have and if you need to upgrade (you will).
Forum: Camcorders   06-30-2014, 02:33 AM
Replies: 2,123
Views: 86,953
Posted By markr041
Two people in this thread already reported doing...

Two people in this thread already reported doing this. And also there are videos of post upgrade focusing performance in the thread.
Forum: Camcorders   06-28-2014, 11:21 AM
Replies: 26
Views: 748
Posted By markr041
Turns out the SonyAS15 1080 video clips have a...

Turns out the SonyAS15 1080 video clips have a bitrate of 16 Mbps; some claim that this is why the resolution is so poor. However, that has been the standard for 1080 30p, and is not that far off...
Forum: Camcorders   06-28-2014, 03:27 AM
Replies: 26
Views: 748
Posted By markr041
Original video frame grabs: Sony AS15 and Panasonic A500

I cannot figure out how to show original frame grabs on this revised site. So here is a link where I posted them from the original Sony and Panasonic "road trip" videos:

...
Forum: Camcorders   06-27-2014, 04:25 AM
Replies: 26
Views: 748
Posted By markr041
Yes, and no. In 4k the camera uses the whole...

Yes, and no. In 4k the camera uses the whole sensor, so no digital correction.

The lens part was attached loosely to the suction cup stand as I did not yet have the tripod adapter, so more lens...
Forum: Camcorders   06-25-2014, 11:32 AM
Replies: 26
Views: 748
Posted By markr041
Panasonic HX-A500 4K Road Test: ...

Panasonic HX-A500 4K Road Test:


https://vimeo.com/99164730


4K original is downloadable. Free HDWriter software from Panasonic allows editing (trimming) and merging of 4K clips with no...
Forum: Camcorders   06-24-2014, 01:58 PM
Replies: 2,123
Views: 86,953
Posted By markr041
We do need to do the math, but it is not correct...

We do need to do the math, but it is not correct that the GH4 and the BMPCC RAW can handle "regular" class 10. I have both cameras. They require at a minimum the Sandisk Extreme Pro (write speeds up...
Forum: Camcorders   06-24-2014, 07:57 AM
Replies: 2,123
Views: 86,953
Posted By markr041
Does it shoot 4K? Most people think not. Pro...

Does it shoot 4K? Most people think not. Pro version of CX900 maybe?


http://www.slashcam.de/news/single/Sony-zeigt-XDCAM-Pro-Version-der-FDR-AX100-11462.html


Note there is no '4K'...
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