MYN – Anisoptera exuvia (species unknown)

An Anisoptera exuvia (species unknown) was collected by Mike Powell, my good friend and photowalking buddy. Although the exact date and location are unknown, we know the specimen was collected sometime during 2019 somewhere in Northern Virginia.

The specimen is definitely a dragonfly, probably from either Family Corduliidae (Emeralds) or Family Libellulidae (Skimmers), as indicated by its mask-like labium and thin antennae.

2019 | Anisoptera exuvia (face-head-dorsal)

Related Resource: MYN – Anisoptera exuvia (dorsal view). [Dorsal view of the same specimen featured in this blog post.]

Tech Tips

This subject was photographed against a pure white background (255, 255, 255) using the “Meet Your Neighbours” (MYN) technique.

Three photos were used to create a composite image: two photos focused on the head; and another photo focused on the prementum. I must say I’m fairly pleased by the way the final image turned out, best appreciated by viewing the full-size version of the composite.

My Canon EOS 5D Mark II is a full-frame DSLR digital camera. RAW images are 5616 × 3744 pixels. The dimensions of the composite image are 5385 × 3657 pixels, that is, slightly smaller than full-frame. It’s usually necessary to crop composite images, at least a little, because the individual photos used to create the composite don’t align perfectly, even when the camera is mounted on a tripod (as it was in this case).

For what it’s worth, the following camera settings were used to shoot all three photos: 100mm; ISO 100; f/8; 1/200 s; 0 ev. The power ratios for an array of four external flash units were as follows: Group A = 1/16 (primary backlight); Group B = 1/32 (secondary backlight); Group C = 1/4 (subject, stage right); Group D = 1/8 (subject, handheld stage left).

I’m still searching for the “sweet spot” for this camera/lens combo. The white background was slightly under-exposed by approximately 1.5 stops, so I need to increase the flash power ratios for Group A and B. The subject was exposed almost perfectly, so Group C and D are close to spot on. Trial and error is the MYN way!

Copyright © 2020 Walter Sanford. All rights reserved.

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