corwynt

Joined: 4th March 2008

All Forum Comments

Topics Created Topics Contributed Forum Comments Photo Comments

All Forum Comments

corwynt
Park Cameras K10D body only £380, free P&P.

Comment by corwynt posted on Got my new K10D Yesterday at 05/05/2008 - 18:40

corwynt
It's interesting to note that the Royal Photographic Society specifies sample images of no more than 1024 pixels along the longest side of images submitted by applicants to their Licentiate grade.

Their assessment of the images includes looking for digital pixelation.

What should we learn from this I wonder?

Comment by corwynt posted on Megapixel theory at 21/04/2008 - 19:54

corwynt
Chirpy & Mongoose

Thanks for those links - the AnandTech article is particularly illuminating.

Comment by corwynt posted on Megapixel theory at 21/04/2008 - 19:30

corwynt
Can anyone explain to me why noise becomes more of a problem with higher pixel chips please?

Comment by corwynt posted on Megapixel theory at 21/04/2008 - 17:16

corwynt
Quote:


Is there any one on the forum who, if money wasn't an issue, wouldn't pick up a K20D ? (if they haven't already )
If money wasn't an issue I probably would buy one on the basis that it's the (presumably) best and latest offering from Pentax.

However, if I could only just about afford it I think I might think twice and maybe consider spending the money on some decent lenses instead - I think if I had to choose between upgrading from 10 MP to 14 MP or perhaps buying a fast, top quality lens that the lens might win the day.

Comment by corwynt posted on Megapixel theory at 18/04/2008 - 17:27

corwynt
Quote:
mongoose...the flipside of that argument is this:
for years pro's balked at af, built in flashes and ttl flash metering.
I've talked to one or two pros of the creative type and they love AF, AE etc. They say it lets them concentrate on the subject not the technology.

Comment by corwynt posted on Megapixel theory at 17/04/2008 - 19:23

corwynt
OK at this point I'd like to check the mathematics so I can be sure I understand the nature of the beast.

Let's compare 10 MP with 6 MP.

In overall terms the 10 MP has 10/6 more pixels = 1.667 times more.

That's the figure for the rectangle. The increase in horizontal or vertical resolution is therefore the root of 1.667 = 1.29.

So for each row/column of 10 pixels on the 6 MP camera, the 10 MP camera has 12.9 pixels.

Is that right?

Comment by corwynt posted on Megapixel theory at 17/04/2008 - 18:35

corwynt
Quote:


But a higher Mp camera is likely to have greater detail in the shadows,
I'm really not trying to catch anyone out - I'm genuinely keen to learn here.

Can you explain why a higher MP camera will have greater detail particularly in the shadows? Does it have greater detail elsewhere too?

Comment by corwynt posted on Megapixel theory at 17/04/2008 - 18:20

corwynt
Quote:


...but that does not mean there is not more information with the 10 and 14 MP ones....

Sorry to labour this, but isn't this argument akin to the audio argument that sampling at 96 kHz produces better results than sampling at 44.1 kHz, even though the human ear is physically incapable of hearing the difference?

There may be more information with a 14 MP chip, but if you can't see it, what's the point of having it?

Comment by corwynt posted on Megapixel theory at 17/04/2008 - 16:07

corwynt
Quote:

There is the "bragging right" that is so important for quite a few persons.
What worries me is that picture libraries will be taken in by the hype as well and start specifying unrealistic pixel dimensions for submissions.

Comment by corwynt posted on Megapixel theory at 17/04/2008 - 14:42

Proudly supporting Pentax User

Samsung Logo Asahi Pentax Logo