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HDRI – Full Moon Field (Spring; Midnight) 1-16K

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HDRI – Full Moon Field (Spring; Midnight) 1-16K

4 ratings

N.B. Low-light photography is an inherently noisy business (simply open your eyes in a pitch dark environment and you'll see how your own vision adds noise to compensate for the scarcity of light), and while we are satisfied with the practical use of this HDRI in terms of render results (where the noise is negligible if even visible at all), due to limitations in our camera equipment, the image file itself is not fully free from noise, and thus does not live up to aifosDesign's high standards for flawless HDRI production. Therefore we have chosen to release this HDRI for free, so as not to bereave the community from a practically adequate night HDRI. Due to being free, the product cannot be hosted here (due to its sheer size overencumbering the qouta for free products), so a link to a Google Drive folder will be delivered instead.

N.B. 2. Another consequence of the scarcity of light is that, to avoid rounding errors due to the extremely low values of the environment, is that this HDRI has been anchored to EV 0 instead of EV 9 like all other aifosDesign HDRIs. It is thus 9 EVs brighter than what the other HDRIs in store comparably are. Rest assured, it is still produced in an absolute light data paradigm (i.e no arbitrary normalization has been done), so by compensating the exposure settings in the 3D program of your choice with precisely 9 EVs (e.g. dividing the shutter speed or the ISO value with 512), the light intensity relationship with other aifosDesign HDRIs are still maintained. However, it is not interchangeable out of the box like the others are.

This HDRI depicts an exterior 360 degree panorama view from a field in the outskirts of Stockholm, captured by midnight in the spring. The environment contains mostly natural light, predominantly from the full moon.

This HDRI provides high-contrast lighting for any 3D scene, characterized by the sharp shine of the moon.

The HDRI is horizontally levelled, with the primary light source (the full moon) horizontally centered. The included information about the moon's actual bearing and angle during the time of capture makes it easy to recreate the same moonlight inclination in the 3D program of your choice.

The HDRI is unclipped, meaning that the captured dynamic range (17 EVs) completely encompasses the light intensities of the environment, for realistic lighting of your scene.

The HDRI is delivered in 5 different resolutions (all power of 2), namely 1024x512 (1K), 2048x1024 (2K), 4096x2048 (4K), 8192x4096 (8K), and 16384x8192 (16K). While we recommend to use the highest possible resolution for the final render – to maximize the fidelity of reflections in glossy surfaces – a lower resolution version may be used before the final render, to optimize render times during iterative test renders.

The HDRI has been captured with a white balance of 5400 K, and since this is already accounted for, it should be used in the 3D program of your choice in neutral white 6500 K (RGB 255/255/255), so as not to render it cooler or warmer than captured, unless intentionally so.

There are two paradigms when it comes to setting the exposure during production of HDRIs. One is to manipulate it through normalization, so as to make the light intensity appear balanced out of the box, no matter whether captured in near total darkness or blinding sunlight. This is the usual business in HDRI making, and has the advantage of emitting a fair amount of light directly upon implementation, without needing special care with regards to camera exposure settings. The disadvantage of this is that such a normalization renders the captured light no longer of photometrically correct intensity – if you change between two normalized HDRIs in the same scene, even if one is supposed to depict a midday environment and the other a twilight environment, the two might appear to light the scene with comparable intensity (although contrast and colour temperature have changed), which intuitively is incorrect.

That is why all of aifosDesign's HDRIs are produced based on the other paradigm, where the exposure is not normalized with regards to display but absolute, fixed to the absolute reference point of EV 9 (default EV for Blender, 3DS Max, etc.), and the intensity of the light emitted from the HDRI are precisely as has been captured from the actual light conditions of the environment. //Note however that this specific HDRI is anchored to the absolute reference value of EV 0 instead, as mentioned above.// This has the advantage that when used with a 3D scene with other light sources, defined with realistic intensity measures (candela, lux, etc.), the whole scene retains its basis on realistic light measures, since the HDRI environment's exposure is not normalized "to look better out of the box". Additionally, it means that when changing HDRIs of this paradigm, you can always expect an HDRI capture of a darker environment to produce a darker light environment for your scene, and vice versa. The disadvantage of this paradigm, which ought to be manageable for most digital artists, is that you will need to adjust the exposure settings for the camera used in the program of your choice, to achieve pleasing levels of light exposure, just as you would do with a real camera.

All aifosDesign's HDRIs are well tested, and each has a recommended EV value for "photographically balanced exposure" (included further down in this product information as well as in the Read me file), as well as the so called compensation value for balanced exposure that may be used to achieve a balanced exposure of the HDRI's actual light intensity.

The HDRI is supplied in the optimal format Radiance HDR, which does not clip extremely bright light sources (such as the sun) – like OpenEXR 16-bit half float does – nor amasses the bloated file size of OpenEXR 32-bit single-precision float. We are aware that a handful of programs (e.g. Substance Painter) handles OpenEXR files better than Radiance HDR files, and if your workflow requires it, we are happy to provide any purchaser of the HDRI an OpenEXR equivalent of any desired resolution available – simply generate an invoice from the e-mail delivered to you upon purchase, and attach the invoice to your request, directed towards us via info[at]

This HDRI does not include additional two-dimensional backplates to use as background images for your renders. As such, it is primarily suited for realistically lighting your scene, endowing your creation with convincing highlights and shadows, and providing crisp reflections for glossy surfaces. On the other hand, while it is by all means possible to use the HDRI environment as a background for your camera view – and might be wonderful as such, depending on your scene – this one lacks the benefit of choosing between multiple backplates to find the most suiting background for your artistic intentions, beyond the HDRI environment in itself.

Tutorial for use in Blender.

  • Title: HDRI – Full Moon Field (Spring; Midnight)
  • Filename prefix: HDRI_FullMoonField_Spring_Midnight
  • Keywords: exterior, nature, midnight, spring, clear, natural light, artificial light, high contrast, field, forest, moon, stars, Stockholm

  • Primary light source: Moon
  • Moon bearing and angle: 162.9 degrees clockwise from North, 27.0 degrees above the horizon
  • Time of capture: April 7 2020 23:46 (GMT+2)
  • Location: 59°20'12.0"N 18°07'59.5"E

  • Photometrically correct exposure value: EV 0
  • Photographically balanced exposure: EV -1.50
  • Compensation value for balanced exposure: +1.50
  • Dynamic range: 17 EVs
  • Unclipped: Yes
  • White balance (when set to neutral [6500 K]): 5400 K

  • File format: Radiance HDR (.hdr)
  • Projection: Equirectangular projection for spherical panorama (360x180 degrees)
  • Resolutions: 1K, 2K, 4K, 8K, 16K
  • File sizes: 1.66 MB, 6.66 MB, 26.7 MB, 105 MB, 407 MB
  • Backplates included: No
  • Link to backplates: N/A

  • Author: Sanning Arkitekter
  • Copyright: Copyright 2020 © Aifoskela AB
  • User licence: Royalty-free, non-exclusive, perpetual licence for commercial and non-commercial use
  • Date of publishing: April 10 2020

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HDRI from a field in the outskirts of Stockholm, captured by midnight in the spring. More information (file format, resolutions, file sizes, etc.) are found at the bottom of the description.

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