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30fps - use case?

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addy landzaat View Drop Down
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 04 February 2021 at 17:13
Originally posted by dCap dCap wrote:

So, the 30fps is a 'sports' thing in the main?
BIF for the ideal wing position.
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Post Options Post Options   Quote SnowFella Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2021 at 07:46
Have to admit I've done my fair share of "spray & pray" using either 8 or 12 FPS using my A77, mind you that's not even half of what the A1 can muster but I do see a use for it.
From memory this was sequential shots using the 12 FPS setting, if I had 30 FPS on tap I likely would of used it.


DSC02127 by Johan Olsson, on Flickr


DSC02128 by Johan Olsson, on Flickr


DSC02129 by Johan Olsson, on Flickr


DSC02130 by Johan Olsson, on Flickr


DSC02131 by Johan Olsson, on Flickr

Disregard the wonky editing, was cloning out some dust spots...never ever copy paste spot cloning using LR, it's dodgy as all heck!
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Post Options Post Options   Quote ABDurbs Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2021 at 08:04
[IMG]HSW 10 by Allan Bower, on Flickr[/IMG]

This was taken at 12fps with my A77ii and Sony 70-400. If I had an option of 30fps I would definitely have used it and would probably got a lot more usable shots. I would even be happy with 20fps for wildlife, BIF, motorsport and sport in general.

So yes I could definitely justify 30fps - the price, not so much
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Post Options Post Options   Quote Dopol Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2021 at 08:20
In Wildlife shooting, higher burst rates pay off.
A bird of prey grabbing its prey or a branch while landing.
1/30 sec later gives a different view
Be yourself; everyone else is already taken
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Post Options Post Options   Quote gigo Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2021 at 16:26
Originally posted by dCap dCap wrote:

... because you want to shoot 30fps with a 50mm (for what subject?)

The kids. When my kids were toddlers, there was no camera that could shoot bursts.
I would be very disappointed if the rapidly changing facial expressions were captured as the best one.
There is no sample. Even if there is, it is certain that the publication permission will not be given.
Well, it's definitely not 50mm, it can be 35mm or 85mm.
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Post Options Post Options   Quote dCap Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2021 at 17:20
Originally posted by gigo gigo wrote:

Originally posted by dCap dCap wrote:

... because you want to shoot 30fps with a 50mm (for what subject?)

The kids. When my kids were toddlers, there was no camera that could shoot bursts.
I would be very disappointed if the rapidly changing facial expressions were captured as the best one.
There is no sample. Even if there is, it is certain that the publication permission will not be given.
Well, it's definitely not 50mm, it can be 35mm or 85mm.

But ... just 20fps would, maybe, be plenty, right?

A second isn't very a long time. Perhaps 5fps is plenty?

Some good wildlife and Sports examples - wonder if it comes with 30 assistants to help you go through the new edit process. Maybe it is time for a decent bit of software to recognize and get the 20-30-60-100 near identical frames into one little movie clip you can scrub through and then auto-delete the 99 redundant frames (or keep the 4-5 frames for a decent sequence).
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Post Options Post Options   Quote Miranda F Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2021 at 20:48
Originally posted by gigo gigo wrote:

Originally posted by Miranda F Miranda F wrote:

Originally posted by gigo gigo wrote:

https://farm66.static.flickr.com/65535/48317284096_e916e0f1e4_b.jpg

Can't see an image or a link here unless I delete the '[IMG]'. Though to be fair my work PC disables these links anyway ...

This is because flickr's load distribution mechanism is not working well.
https://farm66.static.flickr.com/
Try replacing this with a flickr server name that you can access in your environment.
For example,
https://farm ??.static.flickr.com/
?? = 66..67 ..68 ..

Thanks. I can see the pics just fine from home. Probably serves me right for trying to do it in my lunch half-hour
Anyway, some nice pics except for the horrific bokeh behind the horses! Which lens was that? A Mirror?
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Post Options Post Options   Quote Miranda F Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2021 at 20:51
Originally posted by gigo gigo wrote:

Originally posted by dCap dCap wrote:

... because you want to shoot 30fps with a 50mm (for what subject?)

The kids. When my kids were toddlers, there was no camera that could shoot bursts.

... except an 8mm cine camera. Very short bursts before the film ran out, ISTR!
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Post Options Post Options   Quote gigo Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2021 at 10:54
Originally posted by dCap dCap wrote:

But ... just 20fps would, maybe, be plenty, right?

A second isn't very a long time. Perhaps 5fps is plenty?



I had a Fujifilm DS330. It was 5 fps with 1.3 million pixels, but with an external unit, it was possible to shoot continuously at 15 fps, which was epoch-making at that time.
I bragged about the results to justify expensive shopping, but I was told, "Isn't there between this frame and this frame? It's useless."

As another example, humans are said to operate with a clock of about 24-30Hz. According to the sampling theorem, 60fps is required to reliably capture the phenomenon of 30Hz.

Therefore, 30 fps is not enough.

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Post Options Post Options   Quote gigo Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2021 at 11:01
Originally posted by Miranda F Miranda F wrote:

Originally posted by gigo gigo wrote:

Originally posted by dCap dCap wrote:

... because you want to shoot 30fps with a 50mm (for what subject?)

The kids. When my kids were toddlers, there was no camera that could shoot bursts.

... except an 8mm cine camera. Very short bursts before the film ran out, ISTR!

I heard that there were still people who knew antiques such as 8mm film movies.
I am also the generation who cut and pasted 8mm film with actual scissors and tape and edited it.
8mm, which you have forgotten, is a standard of 15fps and the shutter speed is 1/30, so you can't capture detailed facial expressions.
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Post Options Post Options   Quote gigo Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2021 at 11:06
Originally posted by Miranda F Miranda F wrote:

Anyway, some nice pics except for the horrific bokeh behind the horses! Which lens was that? A Mirror?

The bokeh is not the responsibility of the 70300G. I'm responsible for my lack of consideration of panning settings.
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2021 at 11:25
Originally posted by gigo gigo wrote:

Originally posted by dCap dCap wrote:

But ... just 20fps would, maybe, be plenty, right?

A second isn't very a long time. Perhaps 5fps is plenty?



I had a Fujifilm DS330. It was 5 fps with 1.3 million pixels, but with an external unit, it was possible to shoot continuously at 15 fps, which was epoch-making at that time.
I bragged about the results to justify expensive shopping, but I was told, "Isn't there between this frame and this frame? It's useless."

As another example, humans are said to operate with a clock of about 24-30Hz. According to the sampling theorem, 60fps is required to reliably capture the phenomenon of 30Hz.

Therefore, 30 fps is not enough.

But if I can get 120p at 4k with the A1 (which the specs say I can), would I not be able to extract individual 8.3 MP frames for that extra-sensory digital decisive moment?
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Post Options Post Options   Quote dCap Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2021 at 12:14
Think I'm gonna continue to shoot in single frame advance.
Walk out if it doesn't feel right
I can tell you're only lying
If you've got something better tonight
Then don't mess up my mind with your crying
Just Walk Out In The Rain
Eric Clapton, 1978
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2021 at 13:34
Originally posted by dCap dCap wrote:

Think I'm gonna continue to shoot in single frame advance.
You might like the RD-175 - that manages one frame every 2-3 secs.
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