Mist

by Jakub

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72,660 reputation
3112280
bio website neocamera.com
location Montreal, Canada
age
visits member for 4 years, 9 months
seen yesterday

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
24
answered Should I upgrade my D40 to a D5100, D90, or D7000?
Apr
23
comment Do smaller apertures provide more depth of field past the diffraction limit, even if peak sharpness suffers?
@ElendilTheTall - It has to do with pixel size, not sensor size. So a 25 MP full-frame has the same diffraction limit as an 11 MP APS-C (1.5X Crop) sensor. It's effect is very real.
Apr
23
comment Does the dpi number reported by camera in JPG have any meaning?
@Fake Name - How about just using the focus-distance? As a matter of fact, you can probably write a small program that does this after the fact if your camera stores the focus-distance in the EXIF (only some do unfortunately).
Apr
22
answered Does the dpi number reported by camera in JPG have any meaning?
Apr
22
comment What white balance settings do I need to capture the cast of a coloured streetlight?
Yes, only Pentax has it for now.
Apr
22
comment What white balance settings do I need to capture the cast of a coloured streetlight?
@mattdm - The enhancement effect depends on the color-mode too. So if it is too strong on 'Bright', then on 'Faithful' or 'Neutral' it should be better. Forget Vivid, everything is too much there :)
Apr
21
answered What white balance settings do I need to capture the cast of a coloured streetlight?
Apr
21
comment What shutter speed to use when shooting video?
Differences, yes, probably minor depending on the model. Between a 50mm F/1.8 and a 50mm F/2.8 at F/11 it can be nearly identical, but between a 50-200mm @ 50mm F/11 and 50mm F/1.8 @ F/11, differences are greater: Primes are often constructed of fewer elements, so they are less prone to flare. Other optical characteristics of the lens such as distortion and vignetting still apply at F/11, a little further F/13+ and you will hit the diffraction limit, reducing quality equally for all lenses.
Apr
20
comment What shutter speed to use when shooting video?
@Rimmer - [Part 2] You can use 1/500s or even faster if you like but the motion will look more jerky. The effect of motion relies on our brain seeing the similarity between each frame and fusing them into a continuous motion. The faster the shutter-speed the larger the gap between images which makes it harder for the mind to interpolate continuous motion.
Apr
20
comment What shutter speed to use when shooting video?
@Rimmer - Now, that you gave up on extensive DOF, you can open up but it will cost you ;) What need it to make sure your subjects is in focus and the wider your aperture, the harder it is, since your subjects are apparently moving.
Apr
20
answered What shutter speed to use when shooting video?
Apr
20
revised What are the pros and cons of the Sony α230 DSLR?
Missing word
Apr
20
answered What are the pros and cons of the Sony α230 DSLR?
Apr
20
comment What are the pros and cons of the Sony α230 DSLR?
Every 'current' I would say. There were actually 3 that I know of which had fixed lens, all over 10 years old.
Apr
19
comment Reservations on making the move to Adobe Lightroom or Apple's Aperture
Too many things rolled up in one question, it will make it hard to vote on since different answer may address different parts of your question. I would close this one and open 3-5 questions (actually some may already have answers - use the search feature) each focusing on an important issue.
Apr
19
comment Reservations on making the move to Adobe Lightroom or Apple's Aperture
Complete disagree. Managing location of files let you have a sane organization should there be a problem with the software, which happens way too often between software upgrades, OS upgrades, H/W upgrades, software updates, etc.
Apr
19
revised What are Barrel and Pincushion distortion and how are they corrected?
deleted 5 characters in body; edited title
Apr
19
comment Is there a lossless sRGB to CMYK conversion?
Thanks Jerry! This answers my question and matches what I knew already. This does open plenty of tangential questions which I'll probably formulate soon.
Apr
19
accepted Is there a lossless sRGB to CMYK conversion?
Apr
19
comment What are Barrel and Pincushion distortion and how are they corrected?
Just a nit-pick, fisheye lenses use a different projection which makes all lines curved unless they cross the center of the frame. People do not normally refer to that as barrel distortion, since it is intended.