Have Camera Will Travel | David Coleman Photography

Digital photography

Sigma 105mm ƒ/1.4 DG HSM Art Lens Hands-on Review

The Sigma 105mm f/1.4 DG HSM Art telephoto lens is fast, sharp, and well-made. Here’s my hands-on review.

Sigma 14-24mm f/2.8 DG HSM Art Wide-Angle Zoom Lens

Sigma 14-24mm ƒ/2.8 DG HSM Art Ultra-Wide-Angle Zoom Lens Hands-on Review

Here’s my hands-on review of the Sigma 14-24mm ƒ/2.8 DG HSM lens for full-frame DSLRs. I’ve found it to be optically excellent and great fun to shoot with.

Sigma 14mm ƒ/1.8 DG HSM Art Lens Hands-on Review

The Sigma 14mm ƒ/1.8 DG HSM Art lens is optically excellent and the only 14mm ultrawide ƒ/1.8 prime lens. But how does it stack up against Sigma’s own 14-24mm ƒ/2.8 zoom?

Fastest SD Card Speed Tests

With cameras getting improved 4K, 5K, and even 8K video recording and burst shooting features all the time, some of them need the write speeds that only the fastest SD cards provide. So here’s a roundup of the fastest SD cards based on my independent tests.

Fastest MicroSD Card Speed Tests

Need a fast microSD card? If you’re shooting 4K, 5K, or 8K video, high-speed burst-mode photos, or some other demanding use, speed matters. These are the results from my speed tests of the fastest microSD cards.

Types of SD Cards Explained

There are several different types of SD card, as well as multiple speed rating systems and cryptic codes. Here’s a rundown of what the differences are.

Which Image File Formats Are Best for What?

There’s a bunch of different image formats available, some old as well as many new ones. But it’s not always clear which is the best to use. JPG? RAW? HEIC? WebP? Here’s a quick guide on which image files formats are best, when.

Nexto DI NPS-10 Portable Memory Card Backup and Storage

NextoDI NPS-10 Portable Backup Device Review – Backing up Photos & Videos on Location

The NextoDI NPS-10 is a small, self-contained device for backing up photos and videos from memory cards while you’re traveling or on a location shoot. Here’s my review.

How to Recover Deleted Photos from SD Card: SD Card Recovery Options

All those photos you took have disappeared from the SD card. The good news it that there’s still a good chance you can recover photos from the SD card. Here’s what to do. Includes free and paid SD card recovery options.

Sony FE 20mm ƒ/1.8 G Wide-Angle Prime Lens E-Mount Sample Images

Sony FE 20mm ƒ/1.8 G Wide-Angle Prime Lens Sample Images

Here’s a selection of photos I’ve taken with the Sony FE 20mm f/1.8 G wide-angle prime lens on a Sony Alpha camera to give a sense of how it performs in real-world shooting.

Canon RF 24-105mm f/4L IS USM Zoom Lens Sample Images

Here are some sample images I’ve taken with the Canon RF 24-105mm f/4L IS USM zoom lens, a versatile zoom for Canon EOS R series mirrorless cameras.

Sony a7r IV Mirrorless Camera Front View

Sony a7R IV ISO Range Sample Images

I’ve been out shooting with the brand-new Sony a7R IV, the full-frame flagship model in Sony’s mirrorless camera range. Here are some side-by-side examples taken through the ISO range from ISO 50 to ISO 102400.

Sigma 14-24mm ƒ/2.8 DG HSM Art Ultra-Wide-Angle Zoom Lens Hands-on Review

Here’s my hands-on review of the Sigma 14-24mm ƒ/2.8 DG HSM lens for full-frame DSLRs. I’ve found it to be optically excellent and great fun to shoot with.

Sigma 14mm ƒ/1.8 DG HSM Art Lens Sample Images

Here’s a selection of sample images I’ve taken with the Sigma 14mm ƒ/1.8 DG HSM ultra-wide lens.

Sigma 14mm ƒ/1.8 DG HSM Art Lens Hands-on Review

The Sigma 14mm ƒ/1.8 DG HSM Art lens is optically excellent and the only 14mm ultrawide ƒ/1.8 prime lens. But how does it stack up against Sigma’s own 14-24mm ƒ/2.8 zoom?

Sigma 105mm ƒ/1.4 DG HSM Art Lens Hands-on Review

The Sigma 105mm f/1.4 DG HSM Art telephoto lens is fast, sharp, and well-made. Here’s my hands-on review.

Sigma 14-24mm f/2.8 DG HSM Art Wide-Angle Zoom Lens Sample Images

This is a selection of sample images I’ve taken with the Sigma 14-24mm f/2.8 DG HSM Art Lens to give a sense of how it performs in real-world shooting conditions.

Sigma 105mm ƒ/1.4 DG HSM Art Lens Sample Images

Here’s a selection of sample photos I’ve taken with the Sigma 105mm f/1.4 DG HSM Art lens, the fastest of Sigma’s 105mm lenses.

Best Free Data Recovery Software for SD Cards

Here’s a rundown of the best free data recovery software to use if you’ve accidentally deleted photos or videos from your SD card.

Sigma 14-24mm f/2.8 DG HSM Art Lens Zoom Range Examples

Zoom Range of the Sigma 14-24mm F2.8 DG HSM Art Ultra-Wide Zoom Lens

Here are some practical examples of the zoom range of the Sigma 14-24mm f/2.8 DG HSM Art ultra-wide zoom lens.

macOS Automator Quick Action Panel Header Image

How to Quickly Rotate Images with a Mac Quick Action

Here’s a quick guide to creating an Automator service (quick action) so that you can quickly rotate images with a simple right-click.

How to Quickly Create Thumbnail Images with a Mac Quick Action

Here’s a quick guide to creating an Automator service (quick action) so that you can quickly batch generate thumbnails images from multiple imae files with a simple right-click.

How to Quickly Resize Images with a Mac Quick Action

Here’s a quick guide to creating an Automator service (quick action) so that you can quickly resize image files with a simple right-click.

Free Lightroom Alternatives

Here are some good options of you’re looking for a free Lightroom alternative to manage and process your photos.

RawTherapee RAW Image Processor - Editor Interface

RawTherapee as a Free Lightroom Alternative

RawTherapee is RAW image processing software. It’s powerful and free. Here’s my take on whether it makes for a viable free alternative to Lightroom.

Screenshot of Darktable's Light Table interface

Darktable – An Impressive & Free Lightroom Alternative

Darktable is a free and open-source RAW image editor and manager that’s a viable Lightroom alternative. Here’s a quick overview.

Lincoln Memorial wide-angle and blue sky

Nikon D500 Wide-Angle Lens Recommendations

Here are some recommendations for wide-angle lenses for your Nikon D500 DSLR camera that suit the camera’s APS-C DX sensor.

Nikon AF-S FISHEYE NIKKOR 8-15mm f/3.5-4.5E ED lens sample image

Nikon Fisheye Lenses

There are three fisheye lenses in Nikon’s current lineup. Here’s how they compare.

Lens Hood for Nikon AF-S NIKKOR 50mm f/1.4G Prime Lens.

Lens Hoods for the Nikon AF-S 50mm ƒ/1.4G Prime Lens

The Nikon AF-S 50mm ƒ/1.4G lens comes with a perfectly good lens hood included. But there’s another option I’ve found to work better for me.

Canon EOS R5 Video Bitrates

Here are video bitrate tables for various video shooting setting combinations on the Canon EOS R5 mirrorless camera.

Nikon D3500 with qDslrDashboard Interval Timer

Nikon D3500 Intervalometer: How to Shoot Timelapse with a Nikon D3500

The Nikon D3500 isn’t compatible with standard external intervalometers. But there is still a way to shoot timelapse with a D3500 using a software intervalometer.