Ruy Penalva

Ruy Penalva

Lives in Brazil Lauro de Freitas Bahia, Brazil
Works as a Medical Doctor
Joined on Jun 28, 2010
About me:

Ruy Penalva de Faria Neto

Comments

Total: 237, showing: 1 – 20
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Now let's await the answering of Pyongyang!

Link | Posted on Oct 17, 2017 at 03:52 UTC as 4th comment | 1 reply
On article Nikon D850 Review (1765 comments in total)

DP did this review in the velocity of light.

Link | Posted on Oct 16, 2017 at 18:25 UTC as 84th comment | 2 replies

The trouble arise when such an amount of data is lost.

Link | Posted on Oct 13, 2017 at 17:32 UTC as 23rd comment | 5 replies
On article Nikon's official D850 lens recommendation list (295 comments in total)
In reply to:

Ruy Penalva: That is interesting and shows Nikon was making lens with poor resolution since years. If you look at Canon, almost 5 years ago Canon is making lens with a HR profile. Not to say their Cine lens line.

GodSpeaks. You've missed. Nikon is recommending these new lenses because it increased the resolution of D850. With such a big pixels sensor the old lenses are not capable of full resolution at 100% crop and are behind the sensor resolution. When Nikon launched the 36 MP sensor from Sony it starts making lenses to cope with this almost high resolution sensor. Now it reach 46MP and old lenses have enough troubles and distortion, besides resolution at high lines pair (30 or above) to be used safe.

Link | Posted on Oct 12, 2017 at 02:29 UTC
On article Nikon's official D850 lens recommendation list (295 comments in total)

That is interesting and shows Nikon was making lens with poor resolution since years. If you look at Canon, almost 5 years ago Canon is making lens with a HR profile. Not to say their Cine lens line.

Link | Posted on Oct 11, 2017 at 22:16 UTC as 91st comment | 3 replies
On article Gudsen Moza Air gimbal review (53 comments in total)

Do you have patience?

Link | Posted on Oct 10, 2017 at 20:31 UTC as 1st comment

At 30 lines pair the resolution falls a bit.

Link | Posted on Oct 10, 2017 at 20:12 UTC as 19th comment

Getting momentum Samyang.

Link | Posted on Oct 10, 2017 at 20:09 UTC as 20th comment
In reply to:

Ruy Penalva: DXO Mark used to dream with Nikon and Sony. Nikon bought the sensor from Sony, and the increased score above a7rii is more related to the increase in total pixels count. The question is: why Nikon would launch a cheaper D5 version?

Vignes With the increase in costs in China and Asia in general, Nikon, Sigma, Canon start the production of their top class cameras and lens in Japan. Also, there is a mystique: made in Japan. But don't believe all small component of the CPU and the plastic are made in Japan. By the other hand, unemployment and chronic recession in Japan oblige Japanese firms to make their top products in Japan. I doubt Nikon still produce sensor of any kind. Its lens still have the old wire as shown by Roger Ciccala in a strip down. This market will be disputed by Canon, Sony, and Nikon. At the end, only Canon, and probable Sony, will survive. Nikon, to my knowledge, has no insertion in cinema camera and lens as Canon and Sony have. A giant like Samsung give up to make digital cameras. There is a narrow profit and smart phone are the preferred by non professional. At the same time, Canon and Nikon are giant in lithography without mask, and Canon now has a share in medical equipment besides printers.

Link | Posted on Oct 7, 2017 at 04:22 UTC
In reply to:

Ruy Penalva: DXO Mark used to dream with Nikon and Sony. Nikon bought the sensor from Sony, and the increased score above a7rii is more related to the increase in total pixels count. The question is: why Nikon would launch a cheaper D5 version?

feraudy. Do you think Nikon make this sensor? Zero chance.

Link | Posted on Oct 7, 2017 at 03:59 UTC
In reply to:

Ruy Penalva: DXO Mark used to dream with Nikon and Sony. Nikon bought the sensor from Sony, and the increased score above a7rii is more related to the increase in total pixels count. The question is: why Nikon would launch a cheaper D5 version?

The majority os Sony lens, well acclaimed, are made in China. The know how is easily transferred and the machines are the same. If China makes a supercomputer without using CPU from USA, or is building a quantic computer more rapid than USA, why she would not be capable to make a camera? Remember that DPK makes missile, atomic bomb, and hydrogen bomb. All hard to make than a camera.

Link | Posted on Oct 6, 2017 at 18:05 UTC

DXO Mark used to dream with Nikon and Sony. Nikon bought the sensor from Sony, and the increased score above a7rii is more related to the increase in total pixels count. The question is: why Nikon would launch a cheaper D5 version?

Link | Posted on Oct 6, 2017 at 17:47 UTC as 165th comment | 7 replies
On article Sharp and wide: Sony FE 12-24mm F4 G gallery updated (43 comments in total)

Confirming Ciccala tests and comparisons.

Link | Posted on Oct 6, 2017 at 13:35 UTC as 16th comment

But the real and emotion was changed by a calm trip.

Link | Posted on Oct 5, 2017 at 14:22 UTC as 16th comment
On article New product overview videos: Sony a9 and FE lenses (128 comments in total)

Needs 70-200 f/2.8

Link | Posted on Oct 2, 2017 at 18:57 UTC as 33rd comment | 1 reply
In reply to:

Ruy Penalva: China is ready to copy and sell cheaper. Do we need tripod when we have 5 axis stabilization? Only for panorama or heavy lens or sports photo,

I hate tripods, although I have a plenty of them; and cameras; and lens. and money; and patience... I don't believe is there a place do innovate in this area. Dear friends. Try to comment without offend, Offense is the argument of idiots and I believe you "possible" are not.

Link | Posted on Sep 29, 2017 at 19:04 UTC
In reply to:

Ruy Penalva: China is ready to copy and sell cheaper. Do we need tripod when we have 5 axis stabilization? Only for panorama or heavy lens or sports photo,

Rarely!

Link | Posted on Sep 29, 2017 at 01:48 UTC

China is ready to copy and sell cheaper. Do we need tripod when we have 5 axis stabilization? Only for panorama or heavy lens or sports photo,

Link | Posted on Sep 28, 2017 at 19:57 UTC as 14th comment | 8 replies

These firmware show that everybody launch a camera without extensive tests. Every camera should have a dedicated USB port to update direct from maker website, like Sigma USB dock amazingly does.

Link | Posted on Sep 27, 2017 at 21:56 UTC as 27th comment | 2 replies

The world ended?

Link | Posted on Sep 26, 2017 at 20:04 UTC as 138th comment
Total: 237, showing: 1 – 20
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