Latest or all posts or last 15, 30, 90 or 180 days.
Welcome to diglloyd.com
In-depth review coverage is by subscription.
Also by Lloyd: MacPerformanceGuide.com and WindInMyFace.com
First-time visitor
Speed To Create, Capacity To Dream
Storage Wishlist…

PENTAX K1: Focus Stacking in SuperRes Pixel Shift Mode, 'Ultegra Cassette'

See my Pentax K1 wish list at B&H Photo.

The Pentax K1 in SuperRes mode is an ideal camera for focus stacking in the studio still-life photography, since Motion Correction with ACR is not an issue for still-life subjects, and all color moiré issues are avoided, and a brilliance and detail can be had that is not seen with any other DSLR (as of May 2016).

This example still-life stacks 10 exposures using the K1 SuperRes pixel shift mode, full frame. The SuperRes mode of the Pentax K1 means that micro contrast on fine details remains unusually good at f/13 with appropriate sharpening to counteract diffraction: see the 30mm mosaic series, Focus crop for just how good it can be.

The about $1296 Pentax 24-70mm f/2.8 was used. Apparently you get what you pay for, because the image quality at minimum focus distance at 70mm shows extreme aberrations. This is why f/13 was used instead of f/9 (poor lens quality). No other lens available at the time could focus close enough at the required distance. The Pentax 100mm f/2.8 WR Macro would have been agreeable, but was not available.

Pentax K1: Focus Stacking in SuperRes Mode 'Ultegra Cassette'

Pentax K1 pixel shift settings

Full actual pixels resolution (from full frame) on the review page be viewed at chrome-like pixel density with outstanding jaw-dropping brilliance on an iMac 5K.

Includes for comparison the first frame of the series to show the huge gains in DoF.

Zerene Stacker was used for focus stacking (DMAP). Impressively fast and straightforward, this was the first time I had ever used it and yet I had the stack done in under 5 minutes, a testament to simple but thoughtful design.

Cycling: I prefer Shimano DuraAce, but only Ultegra has 11-32 Di2.

Shimano Ultegra 11-32 cassette, 9000 series
__METADATA__
ThunderBay 4 - The Speed To Create. The Capacity To Dream.
Storage Wishlist…

diglloyd Inc. | FTC Disclosure | PRIVACY POLICY | Trademarks | Terms of Use
Contact | About Lloyd Chambers | Consulting | Photo Tours
RSS Feeds | Twitter
Copyright © 2008-2017 diglloyd Inc, all rights reserved.