Lightnings taking a ride

by ceinmart

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5,673 reputation
11240
bio website digital-lightcraft.co.uk
location Derby, England
age
visits member for 3 years, 3 months
seen 2 hours ago

Sep
25
asked Do Glossy photo papers that don't go Matte when used with pigment inks that lack a clear coat exist?
Sep
25
comment Keeping two subjects in focus (depth of field)
Not practical no, they are horrendously expensive lenses! Another option that might be viable is focus stacking... used mostly in macro, but might work in this instance.
Sep
24
answered Keeping two subjects in focus (depth of field)
Sep
24
comment Affordable timelapse motion control
I like the idea of the genie, but its still rather expensive for what is essentially a motor and a timer in a box...
Sep
23
comment Overhead shot over a glossy suface
2 problems with this - you have left a rather blotchy background, and if he wants to do this for a catalog (for example) he isnt going to want to do post on EVERY image. You are fixing the result, not solving the problem.
Sep
23
comment My images are not sharper Nikon D800
are you comparing these images WITH THE SAME LENS? as that is the only way to compare the sharpness of a sensor. I have a D800 and it is EXTREMELY sharp, but this is lens-dependent.
Sep
23
answered Overhead shot over a glossy suface
Sep
23
comment Overhead shot over a glossy suface
any reason you cant just shoot on a flat black non-reflective surface? I dont see the reflectivity adding anything to a top-down shot...
Sep
21
comment Will a tough camera still be waterproof if I take it apart?
Probably not. Besides, if there's condensation inside, it isnt waterproof to start with!
Sep
16
accepted How does the Sony 135 F2.8 [T4.5] STF twin aperture lens design work?
Sep
16
comment What lens characteristics contribute to attractive lens flare?
TBH I don't think it is possible to answer fully, its very subjective...
Sep
14
comment What lens characteristics contribute to attractive lens flare?
Ooooh! my first bounty win :-D
Sep
14
awarded  Mortarboard
Sep
8
revised What lens characteristics contribute to attractive lens flare?
added 57 characters in body
Sep
8
revised What lens characteristics contribute to attractive lens flare?
added 189 characters in body
Sep
8
revised What lens characteristics contribute to attractive lens flare?
added 101 characters in body
Sep
8
answered What lens characteristics contribute to attractive lens flare?
Sep
3
comment How does time of exposure relate to aperture?
Im not fully sure what you are after, but each FULL STOP (f/1, f/1.4, f/2, f/2.8, f/4, f/5.6, f/8, f/11, f/16) allows half the light through than its neighbor as the numbers rise. Therefore from f2 to f 4 are 2 stops so 1/2/2 = 1/4.
Sep
3
comment How does time of exposure relate to aperture?
I think you are right yes, as f4 allows 1/4 of the light through of f2, so the exposure would be 4x as long.
Sep
3
comment What is the cause for this diffused artifact around the sun?
Just a note - shooting directly into the sun, especially 3 shots without moving, is an excellent way to permanently burn your sensor! (I did it to my old D70 years back, it showed up as slightly dark circles on for example a blue sky, and more-so on long exposures)