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I am a noob at blender and I created this scene(work-in-progress), and the study Lamp will be the only light source.

enter image description here

However, the light is filling the room and doesn't look realistic.

I want the bulb in the lamp holder to only emit light at the table(directional) and I don't know how to achieve this. have a look at this image to know what I mean:

enter image description here

The bulb is only emitting light at the bottom and top(since it is open) and no light is emitted like in my image(except soft light)

In a nutshell, how do I make the bulb throw light only at the table, like a spotlight? I want the rays visible.

EDIT: The first is my render. The second is an example image from google to better explain what I want.

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  • $\begingroup$ What type of Lamp are you using ? this is a job for Spot Lamp for it emit light in a cone shape. $\endgroup$ – Venay Mar 16 '17 at 10:25
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    $\begingroup$ @4-K, UV sphere is good here in the principle. What is the issue exactly from that? Using Cycles, right? $\endgroup$ – lemon Mar 16 '17 at 11:29
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    $\begingroup$ Try moving the sphere further back in the lamp itself, and maybe scaling it down. Remember, the actual light emitter in a real-life bulb is rather small, so just experiment with it until you get satisfactory results. $\endgroup$ – Josh Silveous Mar 16 '17 at 11:47
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    $\begingroup$ First, make the world texture completely black, so that you have no "environment" lights. Then make the light surce a point light and make the size = zero. Then start bringing the intensity to a high value. For a realisitic look you might need to use the "Filmic Blender" blender.stackexchange.com/questions/46825/… $\endgroup$ – cegaton Mar 16 '17 at 14:11
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    $\begingroup$ @4-K Then I would recommend just changing the emitter to a standard light. Perhaps you could provide us your .BLEND using this website? We could do some tinkering and see if we can figure out how to solve your problem $\endgroup$ – Josh Silveous Mar 16 '17 at 14:37
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With a "point" light as lamp and a fabric texture with translucent shader for the lampshade.

enter image description here

The point light is just a light (as suggested by OldMan in the comments):

enter image description here

The lampshade is composed of a fabric texture and a translucent shader:

enter image description here

"No more"... if you try replacing the point lamp by a sphere, this is working too, but the render is slower and more noisy.

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