Jump to content

Sony Alpha 7 II - 50i 17M(FH) record actually at 25fps...

Galiou

By Galiou,
in Sony Alpha Video Discussion

 Share

Recommended Posts

Galiou Newbie

Galiou

Posted
Posted

Hi Guys,

 

I'm so happy with my camera, Sony ALPHA 7II, practice it alot for photography.

 

But Now i'm trying Video mod... And I don't understand, when I record in 50i (17m(FH), my rush are actually at 25 fps in windows, premiere pro VLC .... What I doing wrong ?

 

Thx for answer, and sorry about my english but I'm French :-s obody is perfect :)

 

You can see the result of a 50i (17m(FH) shot with attach files. . . 

Link to post
Share on other sites
  • 3 weeks later...
cws Enthusiast

cws

Posted
Posted

Hi.

 

50i is 25fps (PAL) with "interlaced" fields...... so you aren't doing anything wrong at all.  
Interlaced images require 2 x partial frames (odd-lines, then even-lines) to make up a single full image frame.  It's used mainly for broadcast transmission reasons so not so much data was packed into an image all at once.  Your software knows what 50i is and creates the correct setting for it.

If you are trying to capture high-speed (for slow-motion replay) then you need to use a 50p setting or higher ​(p=progressive or complete image with all the data as a single frame).

The speed options available will depend on your camera and capture format (eg PAL 1080p @ 25fps, 50fps or 720p @ 100fps, where NTSC mode will likely be 1080p @ 30fps, 60fps or 720p @120fps)
Hope that helps.

 

BTW, my boss is french too... but I forgave him for that a long time ago.......        :D      :P

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing

  • Posts

    • NewSonyUsER
      Looking for an a7R mk I, (second generation)

      By NewSonyUsER · Posted

      I'd really like to find a package deal for an a7R (mk I, second generation) which includes the neckstrap and box. I've searched Ebay and currently no one is listing what I'm looking for. They either have the camera only or a first generation a7R and a lot of them don't offer the Sony neckstrap or box it came in. I know your site doesn't have a formal 'Equipment For Sale' thread and granted Ebay is a better place to sell gear but I thought I'd see if any of the members have one and would like to upgrade to a newer model but don't think anyone would be looking for one that old. The cameras I've been using are in the 20 megapixel range and rather than jumping to a 40mp camera due to file size, the 36mp that the first a7R has was appealing to me and wouldn't break the bank. I've been using Canon and Nikon but really want experience a Sony. If a post like this is undesirable for this website, I understand but I thought I would ask. Thank you. 
    • SonyFF32137
      Any A7R iv A issues with 200-600 zoom?

      By SonyFF32137 · Posted

      Here's a good thread on the issue.... https://www.dpreview.com/forums/thread/4571046 And here is the info on the A7RIVA that maybe explains why I don't see the issue...  The change in wording that caught my attention is that the new A7RIVA brochure says the structure has been "re-examined and redesigned." Don't know, but given the text of other parts of the brochures are copied word for word, the change in text here seems significant. My reading of this is that it is a redesign of the A7RIV. In that case, perhaps the 200-600 issues are less severe with the new body.
    • XKAES
      2 Primes or 1 Zoom?

      By XKAES · Posted

      I'd opt for a small zoom, but I must admit that there seems to be a dearth of lenses in the e-mount in the 24-50mm range -- for some reason.  I have a small 24-70mm, but that's an a-mount Tamron.  Maybe you can find something by looking at lenses slightly longer.  I have a heavy, but small 24-100mm a-mount, and Tokina made a 24-200mm a-mount.  Maybe there are similar lenses in the e-mount.  Kill three birds with one stone.

  • Topics

×
×
  • Create New...