Focus Stacking in Photoshop
One of the greatest challenges in Macro photography is getting the right DOF (depth of field). Generally, the closer to your object you get, the shallower the DOF becomes. Smaller apertures will let you gain more DOF, but will also block more light, taking into consideration the fact that most handheld macro work is already done with fast shutter to reduce camera shake. If you want to achieve ultra sharp images, with a reasonable aperture, then focus stacking is ideal to achieve that. There’s a lot of equally good software available for focus stacking on the market, but I have decided to demonstrate how Photoshop CS5 copes with it.
HDR Vertical Panorama
The basics behind capturing and stitching a HDR vertorama / tiltorama are almost the same as an equirectangular panorama. The only difference is that a vertorama / tiltorama represents a vertical field of view. If you are new to this kind of photography, please familiarise yourself with my previous posts: Vertical Panorama, Equirectangular Panorama and HDR Panorama to get an overview of HDR and panoramic photography.
Ever since I started developing a strong interest in panoramic photography, I also became interested in exploring HDR photography. One day these two finally came together and I decided to capture my first genuine HDR equirectangular panorama. It was not easy but I got there eventually and I’d like to share my thoughts with other panoramic and HDR photography enthusiasts. This post will guide you through the process of capturing a genuine HDR equirectangular panorama and will discuss the issues related to both the equipment as well as workflow. If you are not familiar with panoramic or HDR photography, please read my previous posts: Equirectangular Panorama and HDR from a single RAW
Peirce Quincuncial Projection.
This week I’ve decided to experiment with the Peirce Quincuncial projection. In simple terms, this is a projection which is capable of projecting an equirectangular panorama onto a square. It’s similar to a stereographic projection as both of them represent a 360° field of view. The only difference between them is that a stereographic projection will produce a spherical image whereas Peirce Quincuncial will project the final image onto a square. If you are new to panoramic photography, please familiarise yourself with my previous posts on Equirectangular Panorama as you will need one to follow this step-by-step tutorial.