I believe the D810 has a larger buffer. Does it not? The buffer on the
k-1 is pretty anemic.

On Wed, Oct 11, 2017 at 1:53 AM, P. J. Alling
<webstertwenty...@gmail.com> wrote:
> I've been looking into that and it seems that all Pentax cameras that have
> been tested recently have about a 36 mb/s write speed regardless of how fast
> the card is, though they can't write faster than the card will accept the
> data.
>
> I got curious since I don't shoot Nikon, so I haven't been looking for write
> speed tests on any Nikon cameras.  Well I couldn't find a Nikon 810 tests,
> but the D800 tops out at about 39 mb/s, on the one I could find.   Doesn't
> seem to blisteringly faster than the K-1.
>
> Using the actual numbers not my rounded numbers the Nikon seems to be about
> ~7% faster than the Pentax.
>
> Now Nikon might have upped the buss speed when moving from the D800 to the
> D810, but it doesn't seem that likely.
>
>
> On 10/10/2017 5:10 PM, Mark C wrote:
>>
>> FWIW - I just ran some tests with my K1 shooting DNGS and it takes 27 to
>> 28 seconds to clear the buffer. It probably feels like 5 minutes when things
>> are happening, though. I'm using 64 gig Sandisk Extreme Pro UHS-I cards,
>> rated for 90 mb/sec write speeds. The are much faster cards out there though
>> I don't know if the K1 can take advantage of higher speed cards (or even if
>> it takes advantage of this card.) If you really are experiencing several
>> minutes of write time it may be the card.
>>
>> Overall I agree with your comments. File saves are on the slow side and
>> the AF point configuration leaves a lot to be desired. AF in liveview mode
>> is very slow - verging on unusable when shooting macros. There's room for
>> improvement to be sure, but still a fine camera.
>>
>> Mark
>>
>> Larry Colen wrote:
>>>
>>> In many many ways the K-1 is an amazing camera. If all I did was
>>> portraits, landscapes and still lifes it would be damn near unbeatable,
>>> especially for the price.
>>>
>>> However, for action photography, it can really suck donkey balls. The
>>> focusing is a huge improvement over the K-3ii, but the focus points don't
>>> cover nearly enough of the screen, especially if you want to place critical
>>> compositional elements at the "third points". Despite the improvements over
>>> the K-3, focus speed is still way too slow, especially compared to when I've
>>> shot a friend's Nikon 810.
>>>
>>> My biggest gripe is the bus speed.  Did they really think that people
>>> would buy a full frame camera and always shoot JPEGs? I was photographing
>>> dance competitions this weekend. Things happen fast, unpredictably, and
>>> often in rapid succession, particularly when there is more than one couple
>>> dancing at a time. After about a minute or two the buffer will fill up, and
>>> then take something like five minutes to empty.  Once it fills up, it takes
>>> something like 30 seconds before it's ready to shoot again, and I have no
>>> idea of whether there's room in the buffer or not. I just have to press the
>>> shutter and wonder whether it's not locking focus, or just still emptying
>>> the buffer.
>>>
>>> Gah! Every time I try to shoot action, I'm tempted to switch to Nikon.
>>> Unfortunately, there's about 15,000 reasons why I can't.
>>
>>
>>
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>
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