Lightnings taking a ride

by ceinmart

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73,245 reputation
3113285
bio website neocamera.com
location Montreal, Canada
age
visits member for 4 years, 11 months
seen 1 hour ago

Freelance travel photographer, photo tour leader and digital camera guru.

Travel has always been my passion and photography lets me share it with everyone.


Apr
28
answered DIY pinhole lens' aperture is ƒ00, which can't be changed and pictures turn out mostly black
Apr
28
comment Lightroom Upgrade vs Lens Metadata
This overwrites original files. I checked it and since my FS is read-only got an error 'Lightroom Cannot Write Metadata: Reload from File?' Turns out accepting to reload from file does half the job an recognizes the unknown lens, however it removes all keywords and ratings :( Needless to say, this is not a solution either.
Apr
28
comment Lightroom Upgrade vs Lens Metadata
@Rowland - Even on an OS that shows that. It is not very practical to use columns that require opening files to show up, particularly when operating an huge directory trees. The Last Modification Data only requires reading the directory structure on most file systems.
Apr
28
revised Correct conversion formula for photos to NTSC?
added 136 characters in body
Apr
28
comment Lightroom Upgrade vs Lens Metadata
Ouch! I'm hoping that there is another way since I wont accept to overwrite my files. My system is made to be highly organized even outside of LR and searching using the file-system by date would be compromised as well as years of backups which would no longer match.
Apr
28
answered Correct conversion formula for photos to NTSC?
Apr
27
comment What is “micro contrast” and how is it different from regular contrast?
Actually, that is a great question! Dynamic-range is the range of luminance that was captured but contrast refers to the range of luminance of the image. If the mapping was linear, they would be the same, but it is rarely so, most images are produced using a non-linear tone-curve from RAW data to a specific color-space such as sRGB.
Apr
27
asked Lightroom Upgrade vs Lens Metadata
Apr
27
answered What type of equipment does one need for taking night shots of moving objects with minimal blur?
Apr
27
answered Why are some zoom lenses “soft” at either end of the focal length range?
Apr
27
comment Should I use low-end expanded ISO?
Pentax DSLRs are my tools of choice for travel photography since I consider them the most efficient cameras to use. I own 2 Pentax and also 6 cameras from 3 other brands, so I'm not exclusive ;) I match tools to assignment, plus I take advantage of other cameras which regularly pass through my hands.
Apr
27
revised Colour correction/Colour balance in Post processing of Raw images
added 1 characters in body
Apr
27
reviewed Approve How do I get Spyder3Express to work on a Mac OS X dual screen setup?
Apr
27
answered What is “micro contrast” and how is it different from regular contrast?
Apr
27
answered Should I use low-end expanded ISO?
Apr
26
comment Selling and buying a DSLR
@Om - Full-frame normally means the imaging sensor is the same size as 35mm film. This makes your camera bigger, means it needs bigger lenses and a bigger budget ;) It has an advantage when it comes to image noise.
Apr
26
comment I have a Canon EF 100mm f/2.8 Macro. How can I get even closer to the subject?
@Matt - Indeed. Unfortunately some manufacturers which may remain unnamed ;) use the FLM to adjust the magnification factor this way.
Apr
26
reviewed Approve What is one (single) point perspective photography?
Apr
26
comment Why invest in high end large- and medium-format digital cameras?
Poor choice of words I think. One does not invest in digital cameras, lenses maybe. You buy one because you need the resolution, level of details and dynamic range in a single exposure. Otherwise you should probably invest in a good tripod and learn panorama stitching, HDR and exposure fusion.
Apr
26
answered I have a Canon EF 100mm f/2.8 Macro. How can I get even closer to the subject?