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kiklop ![]() Admin Group ![]() Dyxum owner Joined: 14 July 2005 Country: Croatia Location: Rovinj Status: Offline Posts: 10564 |
![]() Posted: 25 August 2011 at 18:22 |
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We may have questions waiting for answers !
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Yakim ![]() Senior Member ![]() Joined: 04 November 2010 Location: Israel Status: Offline Posts: 370 |
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Shame. It's could have been a sport shooters dream machine. |
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Happy shooting,
Yakim. |
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mwildwood ![]() Senior Member ![]() Joined: 08 January 2010 Country: United States Location: St. Louis Status: Offline Posts: 203 |
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One way to handle the buffer is to dump the pix quickly.
In the IR article using the UHS-1 cards with 45mb/s speed dumped the buffer in 13 seconds. Would using the Panasonic 90mb/s UHS-1 cards get us down to 6.5 seconds to dump the buffer? Does anyone know the maximum speed of the a77 UHS-1 interface? |
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a7/5N | CZ 135 1.8 | Sony 50/1.4 | Tam 28-75/2.8 Di | Helios 58/2 | Tamron 180 3.5 | Canon FD 58/1.2 | 500px.com/mwildwood
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al ![]() Senior Member ![]() Joined: 10 August 2008 Country: United States Location: SF Bay Area Status: Offline Posts: 1706 |
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OK, I see.
Yeah, the only way to shoot at continuous maximum speed would be to shoot jpeg only at reduced resolution.
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Peekayoh ![]() Senior Member ![]() Joined: 19 January 2009 Location: United Kingdom Status: Offline Posts: 3162 |
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The corollary is that, in order to achieve the higher shutter speed, you will be choosing a wider aperture or higher ISO which in itself may offset any gain. |
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Techno ![]() Senior Member ![]() Joined: 20 October 2006 Country: United Kingdom Location: United Kingdom Status: Offline Posts: 210 |
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David Kilpatrick wrote a good article about this on photoclubalpha. You're right that neither are being driven off the sensor but there are many more components for error in the SLR than there are in the SLT. Kilpatrick list all the problems. He said that the A55 he used seemed to be far less prone to focus problems than other Sony SLRs. |
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sybersitizen ![]() Senior Member ![]() Joined: 04 August 2006 Country: United States Location: California Status: Offline Posts: 14450 |
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Yes, yes... and that will slow down operations even further. The original thing I was replying to was about speeding up operations by shooting reduced resolution files only. That in fact works great if you can live without RAW at all. |
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al ![]() Senior Member ![]() Joined: 10 August 2008 Country: United States Location: SF Bay Area Status: Offline Posts: 1706 |
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sybersitizen ![]() Senior Member ![]() Joined: 04 August 2006 Country: United States Location: California Status: Offline Posts: 14450 |
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Maybe not flippant. The A77 also has a Smart Teleconverter thing that we may assume works similarly. But can it save those crops as RAW files? I have doubts. Edited by sybersitizen - 25 August 2011 at 17:19 |
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sybersitizen ![]() Senior Member ![]() Joined: 04 August 2006 Country: United States Location: California Status: Offline Posts: 14450 |
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Fine, that's as I understood it to be, although the A700 manual appeared to describe it somewhat differently from the other manuals I checked.
So... for RubberDials and others: You can indeed gain a significant speed boost for almost all camera operations by shooting reduced resolution files, but only in JPEG format. I do it all the time with the A55. |
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Peekayoh ![]() Senior Member ![]() Joined: 19 January 2009 Location: United Kingdom Status: Offline Posts: 3162 |
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eccles ![]() Senior Member ![]() Joined: 20 August 2007 Country: United Kingdom Location: Bristol Status: Offline Posts: 998 |
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Correct. When you think of it, the raw file is supposed to be just that. If it's smaller than maximum then it isn't the original raw file. Remember the big stink about earlier firmware not allowing NR to be turned off in the raw file. |
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artuk ![]() Senior Member ![]() Joined: 06 July 2007 Country: United Kingdom Location: United Kingdom Status: Offline Posts: 3751 |
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From my experience with film rangefinder cameras, and some mirrorless, there is a benefit to not having a mirror when photographing with a shutter speed that is "marginal" (near or below the 1 / focal length). With my Konica haxar (35mm lens) and good technique, shutter speeds well below 1/35s are possible. At "safe" shutter speeds, I am not convinced SLR photos are any less clear than from mirrorless cameras...? |
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Art
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Peekayoh ![]() Senior Member ![]() Joined: 19 January 2009 Location: United Kingdom Status: Offline Posts: 3162 |
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