Serene Life

by garik

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93,651 reputation
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bio website mattgrum.com
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visits member for 4 years, 1 month
seen 7 hours ago

Oct
4
awarded  Nice Answer
Oct
2
comment Auto focus vs Single Continuous/Point focus
Practice makes perfect :)
Sep
30
awarded  Explainer
Sep
27
answered Measure rolling shutter severity of image sensor scientifically
Sep
26
comment What settings should I use to take a burst at the highest possible FPS?
In short, noise reduction, card write speed and particularly autofocus have been shown to have a measurable impact on continuous shooting speed. Metering has not.
Sep
26
comment What settings should I use to take a burst at the highest possible FPS?
@MichaelClark The 1DX has a 100,000 pixel metering sensor which has it's own dedicated DIGIC4 processor (which can crunch through (demosaic, apply filters and reencode) the 5DII's 22,000,000 pixels with ease). Reading 100,000 pixels (no need to do any demosaicing) and performing a lookup is a breeze for an application specific chip designed to do nothing other than process pixels. Even if it takes as long as a microsecond then that's going to be well within the accuracy to which most people can measure the shooting speed!
Sep
26
comment Approximating a wide XPan shot
Shoot wide with a rectilinear lens and crop is bay far the simplest solution. It's worth noting that you don't have to spend a lot to get a wide prime these days (the Sam/Rock/Bow/Yang 14 f/2.8 is a steal), nor do you need a full frame camera, there are 10mm options (prime and zoom) available for APS-C!
Sep
26
comment What settings should I use to take a burst at the highest possible FPS?
I'd be amazed if metering calculations slowed down the shooting speed given that's it's done using an ASIC where 1/10th of a second is an eternity.
Sep
25
comment Is it assured that every type of lens will be made for a given interchangeable lens camera?
I wouldn't say it's extremely remote, look at what Sony is doing to the A-mount, (and of course what Canon did to the FD mount). What's going to happen when EVFs and CDAF advance past OVFs and PDAF? What about when curved sensors become cheap enough to have on in every lens? There are many reasons to abandon a mount, when it makes commercial sense Canon will do it.
Sep
25
comment Is it assured that every type of lens will be made for a given interchangeable lens camera?
@PhilipKendall I disagree, there's no need to speculate in order to answer the question: no, it is absolutely not guaranteed that there will be one of each lens type available in the future! It is indeed possible for manufacturers to stop making a certain type of lens.
Sep
25
comment Stepping up my lighting for lego photography
@AndyM not every picture was done by submerging the bricks, just the snowy Hoth ones I think. The key to lighting the image you posted was a snooted hard light, shining through a tree branch in the presence of light haze, which creates interesting shadows and a sense of depth. The snoot also concentrates the light in the centre of the image creating a natural vignette effect which draws in the viewer. My advice would be: build yourself a snoot for your 430EX, create some light haze using hairspray or similar and experiment!
Sep
24
revised Stepping up my lighting for lego photography
added 94 characters in body
Sep
24
answered Stepping up my lighting for lego photography
Sep
23
revised How are images projected onto photographic paper in digital minilabs?
added 246 characters in body
Sep
14
comment Why do medium format (digital) cameras capture better dynamic range?
Sensor design can also play a big part.
Sep
14
comment Why do medium format (digital) cameras capture better dynamic range?
It's a duplicate but I think the accepted answer on the linked question is wrong, simply put a bigger sensor collects more light, therefore more photos, which is akin to taking a political poll, the more people you ask the more accurate it is, more accurate = less noise = greater dynamic range.
Sep
14
answered Are lens adapters with mechanical aperture control really working well?
Sep
13
awarded  Yearling
Sep
10
revised How does an apodization filter improve bokeh?
added 505 characters in body
Sep
10
answered How does an apodization filter improve bokeh?