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This is the final result we'll create, a rack focus effect like a cinema camera, focusing from the flower in front to the background with soft bokeh. Let's get started. Hello, welcome back to the complete Adobe After Effects series from Cerdas Inovasi Digital. After Effects has many types of blur with different characteristics. In this episode, we'll compare the three most commonly used ones and use the Camera Lens Blur for the focus transition effect. Create a composition from the blue flower footage.
Apply Gaussian Blur and drag the bluriness to 25. Gaussian Blur evenly and smoothly blurs in all directions, suitable for backgrounds or transitions.
Disable Gaussian Blur with the FX icon, then apply Directional Blur. Set the direction to 90 degrees and blur lens to 40. The image blurs in only one direction, giving a sense of fast motion like a camera being moved. Disable Directional Blur and apply Camera Lens Blur.
This blur mimics a real camera lens. Bright spots turn into circular bokeh shapes resembling the iris. Set the blur radius to 20, iris shape to hexagon, and increase the specular brightness to make the bokeh glow. Remove the first two effects.
Duplicate the footage with the Control D shortcut. On the top layer, create a mask pen around the group of flowers in front with a feather of 30. The top layer represents the front flower, and the bottom layer represents the background.
On the background layer, create the Camera Lens Blur from 0 at frame 0 to 20 at frame 2. On the front flower layer, apply Camera Lens Blur from 20 at frame 0 to 0 at frame 2. So at the beginning, the background is sharp and the flower is blurred, then the focus shifts to the flower.
Press F9 on all blur radius keyframes and preview the animation. The focus slowly shifts from the background to the blue flower in front, exactly like the camera operator turning the focus ring. Done.
We've compared Gaussian, Directional, and Camera Lens Blur, introduced iris and bokeh effects, then created rack focus with two layers, masks, and keyframe blur radius. In the next episode, we'll correct colors with Lumetri Color. Need a promotional video, logo animation, motion graphics for social media, or visual effects for short films? Cerdas Inovasi Digital provides motion graphics and visual effects services. As well as opening After Effects courses from beginner to advanced. Want to master the entire series? 104 episodes from the interface to final project? All episodes, complete with step-by-step PDF guides, source footage, and project scripts, are available for premium tutorial subscribers. Subscribe starting at Rp69.000 per month, save 28% with the 12-month package, or pay once Rp999.000 for lifetime access. Want just one class? Buy single classes with lifetime access. Subscribe now at the premium page cerdasinovasidigital.com. Contact us via WhatsApp, or visit cerdasinovasidigital.com. Thank you for watching, see you in the next episode.
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