Photography resources that actually get to the point.
Free calculators, clear guides, and direct answers to real photography questions — built by a photographer who got tired of wading through filler to find what she needed. No padding, no paywalls, no product hype.
Photography Calculators
The tools I kept having to Google — now in one place, free, no sign-up needed.
Depth of Field Calculator
PopularCalculate near focus, far focus, and total depth of field for any lens, aperture, and sensor format.
Use calculator →Crop Factor Calculator
Find the full-frame equivalent focal length for any lens and sensor combination.
Use calculator →Print Size Calculator
See exactly what print sizes your image supports at professional DPI settings.
Use calculator →Shutter Speed Rule Calculator
Get the minimum hand-held shutter speed based on focal length and stabilization.
Use calculator →Memory Card Capacity Calculator
Estimate how many photos fit on any card based on file format and camera.
Use calculator →Image File Size Estimator
Estimate RAW, JPEG, and TIFF file sizes for any megapixel count.
Use calculator →Photography Guides by Topic
Pick wherever you're stuck. You don't have to start at the beginning.
Camera Settings
Aperture, shutter speed, ISO, and how to use all three together.
8 resourcesLens Guides
Focal length comparisons, prime vs zoom, and how to choose your first lens.
6 resourcesBeginner Photography
Everything you need to understand your camera and shoot with confidence.
7 resourcesPortrait Photography
Settings, posing, and light technique for photographing people.
5 resourcesEditing Workflow
Lightroom basics, export settings, and practical file organization.
5 resourcesGear Guides
Practical advice on cameras, lenses, and accessories without hype.
4 resourcesPopular Guides
The most-read guides across camera settings, lenses, and technique.
What Artemisia Unfiltered Is
A photography reference site built around practical tools and honest information. The calculators use real optical formulas. The guides cover what you actually need to know — not what makes for a longer article.
No paid placements. No fake reviews. No listicles written to fill a content calendar. If a guide exists here, it exists because the information is useful and worth reading.
About this site →Written from experience
Five years of shooting, making mistakes, and figuring out what actually matters.
No filler
If the answer is two sentences, that's the guide. Your time matters.
Always free
No paywalls, no subscriptions, no email required. Just open it and use it.