possibility specular and diffuse separating in Corona lights

[denisgo22]

is it possible to separate specular and diffuse lighting in Corona lights, especially in Corona Sun, for cleaner results with DOF and Motion blur effects in render with reflective materials.   
for example:  in some scenes with DOF effect no matter how many passes I will be rendered, a noise on speculars and highlights still remains, especially with exterior close-ups on a plants and other thick objects/Options of -/max Sample Intensity/ don't help in this case, only if change the value of 1 or 2 - that is not a valid.
option -/Light Samples Multiplier affects only on Diffuse Direct Lighting, not specular//Also is no matter a property of glossiness of material itself/
 I could never get a clean result in this case!!!

it would also be nice to do check box for overall ability to disable or enable refraction and reflection effects/

[romullus]

Duplicate: https://forum.corona-renderer.com/index.php/topic,9590.0.html

[Ondra]

the option is already present in sun controls

[denisgo22]

we are not talking about visibility, we are talking about SPECULARITY option for light, same in VraySun/
Simply put
 I need to lighting of the scene with Corona Sun does not depend on visibility of the Corona Sun

[denisgo22]

And i have another proposal.
whether it is possible to provide the ability to embed texture in Corona Sun  just like it is done in the Corona Light/
thus it is possible to adjust the strength of the lighting scene, regardless of Sun visibility,and change its color and etc/