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Author Topic: Digital Photography - Clarifying any unclear issue.  (Read 523 times)

abuhajira

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Digital Photography - Clarifying any unclear issue.
« on: April 25, 2017, 10:23:16 AM »
Bismillahi Ta'ala

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There was a thread on muftisays wherein I entered with the intent of discussing this topic at hand, and it went on tangent and locked. In hopes to dispel an unclear issue in the entire topic of Digital Photography, I am opening this thread.

There are topics which are worthy of expolartion for students.

-What is Tasweer?
-What are the level of differences in this discussion.
-How much do we recognise these differences and what is the scope of such differences
-What constitutes as permenance (thabaat) , transferable (intiqal) and reflection (`Aks)
-How , Why and why-not does digital imaging classify under any of above
-What is the finalised ruling keeping the differences in mind?
-What is the purpose of Mufti in our times. Is it just mentioning a referential answer, or is he a murabbi for ummah as well?

All these and more can be explored in this thread.



abuhajira

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Re: Digital Photography - Clarifying any unclear issue.
« Reply #1 on: April 26, 2017, 11:34:56 AM »
Bismillahi ta'ala,

(Please overlook the lack of chronology - I will keep dumping in info, and expect same for you'll - Later we can formulate the info and compile it)

Claim : Digital Image is closer in its resemblance to a reflection than a picture.

What is a Reflection

Read basic physics understanding of reflection (espectially specular and mirror reflection) at: You are not allowed to view links. Register or Login

Essentially a reflection and its characteristics can be understood from this small diagram.



a. - The incident ray and the reflected rays are one and the same. The reflected ray is merely reflected off the mirror surface, hence it is called a reflection.

What this means for us is that the light-ray that comes from the sun/light source and then get reflected from the real-time object and thereafter from the mirror surface does not go into ANY change/transformation in its composition. It starts as a light-ray, and remains a light-ray throghout its path until it comes to the observer's eye, where the eye changes it into suitable pulses for brain to percieve.

Deeper Point: This is also the reason that looking at a crescent through glasses/analogue telescope or through a reflection in water/mirror/telescope designed through mirror reflections remains an actual real-time view of the moon. AND in contract a digital display of the same moon will not be an actual sighting.

b. - The real distance between the observer and the object does not matter, since to the observer, the object will seem much further away.
It will be

                (the distance from the eye to the mirror surface)
             + (the distance from object to the mirror surface)

This is why it is mentioned on your rear-view mirror that the objects are actually closer than what they appear to be.

c: Another important characteristic of a reflection is that the image that we percieve is a "virtual object" whose appearance is constantly pegged upon the real-object. So if you remove the real object, its reflection (the virtual object) would also disappear.

This last point is very important since later on we will make a striking comparison between a digital image being independent in its representation VS a reflection being dependent on its real-time object for its representation.


This is completely different than looking at a real-time object wherein:

-direct rays from the object enter the eye
-The distance is real distance between the object and the eye


Question  : Why are you talking about Real-time Object, when we are interested in digital-image?
Answer: A digital image for the purpose of how our eyes perceive will take the same position as a real-time object (such as the stickman in the above diagram). The only difference will be if instead of the stickman, we place a digital image, which is on a self-luminescent screen, The screen will throw out or emit its own light rays. Whereas the to view the stickman real-time object, we will need an external source of light (sun or light bulb). This light rays get reflected from the object and then enter the eye.

Question: This does not really establish whether the image being displayed on the screen is not resembling a reflection.
Answer: Correct, the purpose is to educate a basic understanding of what reflection is. So when we actually discuss the particulars of digital image-making, and displaying then these basics will not be misplaced.

Also, the above clarifies that atleast the process of looking at the digital-image on a screen is no different than a looking at a simple printed photograph. Hence, if any ruling will be established to the printed photograph ought to be applied to the similar photograph on the screen (atleast in respect to the reflection/non-refelection parameters)

The question now remains: what then is the basis for the claim of then the proponents of "reflection" premise?

This will be addressed further inshAllah.
« Last Edit: April 26, 2017, 02:07:24 PM by abuhajira »

NaqshBandh

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Re: Digital Photography - Clarifying any unclear issue.
« Reply #2 on: May 06, 2017, 07:17:23 PM »
i remember reading concise treaties by Hazrat Mufti Ahmed Khanpuri on this issue.. It was online and in english.. Have lot of respect for the south african tulaba for their efforts in Transcribing and translating worthy Urdu works of Akabir..

 

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