Time to be with your loved ones

Time to be with loved ones

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88,229 reputation
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bio website mattgrum.com
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visits member for 3 years, 7 months
seen 9 hours ago

Dec
9
revised Is it legal to use images found on the internet?
added exact text of attribution license
Dec
9
answered Is it legal to use images found on the internet?
Dec
9
comment What does the Custom White-Balance *icon* represent?
It's probably worth noting that the triangles are sometimes drawn as outlines and sometimes filled in...
Dec
9
awarded  Enlightened
Dec
9
awarded  Nice Answer
Dec
8
revised What is the difference between UV and Skylight filters?
added missing word in first paragraph
Dec
8
comment Does using a camera with very high shutter actuations have any side effects?
I don't understand why they all sound so different even between consecutive models in the same line with similar specs, you'd have thought the shutter unit would be shared across many models..
Dec
8
comment How can I get dramatic shallow DOF with a kit lens?
cool. good luck!
Dec
8
revised Does using a camera with very high shutter actuations have any side effects?
added a few more details
Dec
8
answered Does using a camera with very high shutter actuations have any side effects?
Dec
8
revised What manual setting for portrait?
clarified
Dec
8
comment What manual setting for portrait?
Lol, totally forgot to explain that one! It's to account for any triggering delay (e.g. if using radio flash triggers) and is not necessary if your flash is on camera.
Dec
8
comment How can I get dramatic shallow DOF with a kit lens?
Did you get the effect you were after with either of these shots? If so great! One thing to note is that both were closeups, in order to get blurred backgrounds with bigger, more distant subjects you will either have to fake it, or get a lens with a bigger aperture (smaller f/ number)
Dec
8
answered What manual setting for portrait?
Dec
7
comment What do I need to take pics of building roofs?
With DSLRs the lenses are specified with the actual and not equivalent focal length, so you need to multiply by about 1.5, unless you get a very expensive 35mm DSLR (Canon 5D, 1Ds, Nikon D3). So, if it's a DSLR look for 17/18mm or lower, if it's a compact or bridge camera, look for 28mm equivalent or lower
Dec
7
comment How can I get dramatic shallow DOF with a kit lens?
What I mean is the solid round hole in the lens through which light passes doesn't grow or shrink when you zoom, hence you're not gaining anything by zooming out and using f/3.5 The relationship between the apparent aperture and focal length (the f-stop) does change. In fact the apparent size of the aperture increases when you zoom in, meaning using the 18mm end is the worst thing you could do for bokeh!
Dec
7
comment What is the difference between UV and Skylight filters?
There are some falls that a filter will protect you from but many that it won't - filter glass is much thinner that the front element and breaks easier. The point is I've spent a lot less on lens repairs over the years than it would have cost to buy high quality UV filters for every single lens. The image quality isn't a major issue unless you're shooting toward a light source, but you will end up spending a lot on the off chance of preventing damage from a specific size impact.
Dec
7
comment Are there any tools out there to automatically level an image?
Does it calculate the amount of rotation from the images directly or do you have to tell it?
Dec
7
revised What is the difference between UV and Skylight filters?
minor corrections
Dec
7
answered What is the difference between UV and Skylight filters?