Vettori

Lives in Italy Italy
Has a website at http://www.flickr.com/anelyu
Joined on Apr 30, 2013

Comments

Total: 4, showing: 1 – 4
On article Alpha-better: Sony a9 versus a7R II (452 comments in total)

I hope they'll not increase resolution on the A9/A7R3 because 42Mpx are already very good; but I WANT that joystick, and dual card is also nice for those one-time events where having a bad card is really a problem.

Fast AF with smaller apertures would be also very nice for studio work with fast action (will they ever "fix" GM lens to focus wide open or at least not at working aperture? Probably not if A9 is capable of using PDAF up to f11).

Finally about flash sync port: true that it's strange they didn't put one in the a7r2 but most high end flash producers now have their own triggers that are compatible with Sony hot shoe, so not really a problem...

Link | Posted on Apr 26, 2017 at 13:41 UTC as 102nd comment | 1 reply
On article Sony a9: Why being better might not be enough (760 comments in total)
In reply to:

Vettori: There's one point discussed in the article that I find particularly interesting and it relates also to the new 100-400 "slow" GM lens.
Why do we (still) need those big expensive fast super-tele lens ?

On a reflex camera, fast aperture means a better view through the viewfinder. But with mirrorless do we need that ? Probably not.

Fast aperture means fast AF, but that also is not really that true with recent cameras that can focus at smaller apertures on a wide portion of the frame. And it seems that Sony also prefer to focus stopped down (at least on some lenses).

Maybe we need faster apertures for image quality? But given the current high-iso performance of sensors, does one or one and half stop really count so much ?
And there's also a DOF argument, I mean if quality is comparable I think most will choose more DOF over less DOF on sports.

I'm really interested to find an argument why fast big super telephoto lens are still so important.

@entoman, I'd think that for action in sports where more than one athlete is involved (for example Football), it'd be better to have more DOF, but I totally understand that for other kind of sports or when you want to isolate one athlete from the others, having a larger aperture will help.

Link | Posted on Apr 24, 2017 at 16:04 UTC
On article Sony a9: Why being better might not be enough (760 comments in total)

There's one point discussed in the article that I find particularly interesting and it relates also to the new 100-400 "slow" GM lens.
Why do we (still) need those big expensive fast super-tele lens ?

On a reflex camera, fast aperture means a better view through the viewfinder. But with mirrorless do we need that ? Probably not.

Fast aperture means fast AF, but that also is not really that true with recent cameras that can focus at smaller apertures on a wide portion of the frame. And it seems that Sony also prefer to focus stopped down (at least on some lenses).

Maybe we need faster apertures for image quality? But given the current high-iso performance of sensors, does one or one and half stop really count so much ?
And there's also a DOF argument, I mean if quality is comparable I think most will choose more DOF over less DOF on sports.

I'm really interested to find an argument why fast big super telephoto lens are still so important.

Link | Posted on Apr 24, 2017 at 11:38 UTC as 162nd comment | 9 replies
On article Sony FE 100mm F2.8 STF bokeh demystified (355 comments in total)
In reply to:

Rishi Sanyal: I can confirm this lens focuses wide open (albeit stops down after initial acquisition in AF-C)!

This is great, hopefully Sony will change the other GM lens firmware to do the same... I'm having big issues to focus in studio with low light and f7.1 or smaller

Link | Posted on Feb 17, 2017 at 21:49 UTC
Total: 4, showing: 1 – 4