Road Train !!!!!!!!!!

by Russell McMahon

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1
vote
5answers
146 views

“10 m resolution” - Expressed as screen resolution (or other way photography noob can understand)?

The X-Sat satellite captures images of Earth "with a 10 m resolution multispectral (three spectral bands in the visible and near infrared spectrum) instrument". What does this mean? Particularly, how ...
0
votes
1answer
154 views

What's a good size/resolution for picture proofing?

What's a good size/resolution when showing pictures to client using a online tool for proofing ? I've noticed that 1350x900 and 72ppi is pretty good, considering image quality and size on disk. ...
0
votes
2answers
218 views

What is the resolution of a good compact camera in lines resolved?

After doing some internet research myself to answer this question, I finally wind up asking here. Compact cameras have similar "megapixels" than decent dSLRs, but way lower sensor sizes and certainly ...
5
votes
3answers
2k views

Image quality when using the same lens on 16Mpix vs 24Mpix

I'm considering buying a new camera and my two candidates are Nikon D7000 and Nikon D7100. I heard that 24Mpix sensor needs very good lens to produce sharp images. Considering that I currently have ...
1
vote
2answers
322 views

Canon a2300 resolution problem

I have Canon Powershot a2300. It was working fine till yesterday but i dnt know what settings have been changed to reduce the size of the image. Previously images sizes were about 4mb now it is kb's ...
1
vote
1answer
136 views

Optimal JPGs resolution out of a Point & Shoot camera for storage size and quality? [duplicate]

Simple point & shoots don't produce RAWs, they produce JPGs. Let's assume you have a modern P&S which shoots 16 megapixels maximum in Super Fine, Fine and Normal JPGs. First side question is ...
7
votes
2answers
223 views

What does it mean to excite aliases?

I recently came across the phrase 'excited aliases.' The phrase seems to be related to lens sharpness in some way. While a web search turns up the phrase a few times, I am unable to locate a decent ...
5
votes
6answers
17k views

How to reduce file size without losing quality or resolution?

I have 2,300+ pictures that I want to transfer to my phone but on their original size they take up a lot of space (6.44gb) I would like to trim is down to without sacrificing quality or resolution. I ...
4
votes
2answers
699 views

Are cropped images from a full-frame sensor equal quality to full APS-C images despite the lower resolution?

If I put a DX lens on a Nikon D700, it will reduce megapixels to 5.1. I understand that FX pixels are about 2.5 times larger than DX pixels. Would I be correct to assume that, therefore, my FX image ...
-1
votes
2answers
260 views

How to reduce the image resolution to increase ppi?

Having an photo of 4000x3000 resolution with 240ppi. Is it possible get a resolution of 400x300 resolution but with higher ppi?If possible how to do that?
0
votes
1answer
529 views

What does pixel count suggest? [duplicate]

Possible Duplicate: Do megapixels matter with modern sensor technology? Mobile phone manufactures now advertise their phones having camera with bigger megapixel count. Does it mean the ...
0
votes
1answer
259 views

Image Quality of Shooting at 3MP then resizing to 1MP vs Shooting at 1MP [duplicate]

Possible Duplicate: Does it give higher quality to shoot in low-res mode in-camera, or to downsize high-res photos later? I want my final image to be stored at 1MP and I want it to be in ...
2
votes
1answer
570 views

Does reducing JPG resolution decrease, increase, or have no effect on image quality?

I'm getting ready to download a bunch of images from microstock photo agency Dreamstime. I'll eventually want most of the images in the 400x300 pixel range for my website when I'm done working with ...
0
votes
1answer
133 views

If shoot pictures in 10.0 mode or 12.0 what is quality?

If my camera is shooting in 10.0 or 12.0...what will my megapixels be? I am a beginner and I know I need them to be at least 1600x1200 for my purpose.
11
votes
5answers
2k views

How does taking lower-resolution pictures with a higher-resolution sensor affect image quality?

Does taking a picture with 8 megapixel resolution with my Canon IXUS with a 1/2.3" sensor and 12M max resolution provides the same or worse image quality (particular, noise) as if the picture was ...
6
votes
3answers
3k views

What is the difference between image size and image quality?

I have a Casio EX-S12. It has a setting for image size, but also a separate setting for what it calls "image quality". There are three image quality values: "Fine", "Normal", and "Economy". The Casio ...
7
votes
2answers
2k views

Can a video camera produce a high quality still photo shoot?

I have a high-end digital video camera able to output a higher number of megapixels than my digital photo camera. This is true only when using the camera to take stills. Is there anything that's going ...
17
votes
4answers
1k views

Does it give higher quality to shoot in low-res mode in-camera, or to downsize high-res photos later?

Suppose you want to store your photos at some lower resolution, let's say about ~1 MB large. You own a camera able to make photos at 5 MPix and more. And, you want to have the maximum quality at the ...