Solved

Digital Camera Vs Traditional ?

Posted on 1998-11-22
1
365 Views
Last Modified: 2010-04-27
Hi people,
Q1. Is the operating cost of digital zero ? (film & development) ?
Q2. Is the zooming of digital camera x10 what the traditioal camera offering the most ? (i know not much about cameras).
Q3. What features of a digital camera (~US$750) are not provided compared to traditional camera, if one wishes to learn & appreciate photography ??
Q4. Why is a digital video camera cheaper than a digital camera ? If so, is it better to use a video camera to learn photography by clipping video pictures ??

Thanks, and best regards,
Collin
0
Comment
Question by:collinng
1 Comment
 
LVL 12

Accepted Solution

by:
mark2150 earned 100 total points
ID: 1129555
A1. Cost is not exactly zero. You have cost in time/storage/printing to consider. Good color media is *NOT* cheap. Preview on screen is free, but hardcopy is not.
A2. Electronic zoom (vs optical zoom) cannot give detail and clarity that optical zoom can. It's an interpolation algorithm or double sampling, in either case you can't get more info out of the image than there are elements in the imaging array
A3. If you want to learn the "art" of photography then you need to study the classic skills of composition and texture. Shoot B&W film and learn the effects of f-stop, shutterspeed, etc. on depth of field, composition, contrast and texture. An automatic camera (electronic or film) eliminates this "gut level" learning. I was "classically" trained and it took about 5 years of steady shooting to develop a "good eye". B&W film is cheap, you can shoot and print an 8x10 for about $.25 each. You can shoot and develop the film for about $.02/frame assuming that you don't print. No substitute for "lens time".
A4. Video camera doesn't store images in RAM, it writes to tape in real time (usually analog at this point) tape drive mechanicals are in high volume production and even tho are more complex than drives on digital cam's are fairly low in production cost. No. It is not better to learn by clipping video. You won't be happy with results as most video cams rely on human persistance of vision to help with image quality. Appearent visual quality of motion video is sharper than of stills. This is because even tho each frame is a little "fuzzy" the human eye/brain  uses data from sequential frames to sharpen the images. If you want good, sharp, stills you need a still camera.

Electronic photography will eventually overcome wet emulsion in image quality, but it ain't there yet. At small sizes electronic images are Ok, as you attempt to enlarge things fall apart.

Some performance figures on the human eye.

Normal vision acuity is about .003" at a standard "eye relief" distance of 14". That is you can see a object that is .003" wide (about a human hair) from 14". If you measure the distance that you normally hold a book to read you'll find that it averages 14" from your eyes. You can work out the math and figure out what angle a triangle subtends if the adjacent side is 14" and the opposite side it .003".

Projecting this resolution of the human eye into an 8x10 print then you need a capture resolution of about 2400 x 3000 (.003" is about 300DPI * 8" = 2400 dots...)

The pixel boundaries are invisible when two adjacent pixels are the same color. Likewise, if the color of two adjacent pixels is very small, your eye will have difficulty seeing the change. Thus you can increase the appearent resolution of an image by increasing the color depth. Since color depth goes up linearly but X-Y resolution follows a "square law" then you can increase appearent resolution with increased color depth more cheaply than you can by attempting to increase X-Y resolution.

M

0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Docker for Windows 2016 5 69
Best advice possible for Hdd drives 5 57
open an HP Pavilion 17-1230nr to replace hard drive 18 64
Battery Error Message 7 52
this article is a guided solution for most of the common server issues in server hardware tasks we are facing in our routine job works. the topics in the following article covered are, 1) dell hardware raidlevel (Perc) 2) adding HDD 3) how t…
What do we know about Legacy Video Conferencing? - Full IT support needed! - Complicated systems at outrageous prices! - Intense training required! Highfive believes we need to embrace a new alternative.
This video teaches viewers how to process images for a time-lapse video. Programs required: Adobe Lightroom, Adobe After Effects, Video Editing Program. In Adobe Lightroom: Import sequence image files into Adobe Lightroom: Develop settings of an I…
This Micro Tutorial will give you a basic overview how to record your screen with Microsoft Expression Encoder. This program is still free and open for the public to download. This will be demonstrated using Microsoft Expression Encoder 4.

895 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

15 Experts available now in Live!

Get 1:1 Help Now