Photography: intentional exposure →
Understand the controls, choose what should be sharp, and read the result instead of guessing.
Light
Photographs, cameras and the choices behind an image. Open the cabinet, examine a file, or work through a lesson.
JOHNNY AUWEN / PHOTOGRAPHY
LUMEN galleries ↗Favorite pieces
A few photographs from my collection. A different sequence each visit.
Leaves in the Dark
JOHNNY AUWEN 01 · 50
CAMERAS + LENSES
Browse the cabinet
Explore equipment, compare specifications and keep a shortlist.
Specification filters
Focal range includes lenses that overlap the interval. Aperture uses the wide-end maximum. Missing specifications are excluded when a constraint is set.
Loading equipment…
Loading the matching records…
— means not recorded. Detailed specifications are being expanded; the Tamron batch links to mount-specific manufacturer facts. Catalog status is a dated observation. Mount names alone do not establish camera or adapter compatibility.
01OPEN02OPEN03OPEN04OPEN
Image Autopsy
Inspect the decisions and metadata behind an image.
Shutter Count
Check what an original file can actually prove.
Look Converter
Inspect preset settings, transfer what is supported, and keep a loss report.
Camera + Lens Blue Book
Search reference identities and evaluate available market evidence.
LIGHT / PROJECT INDEX
PROJECT DIRECTORY
13 PROJECTS / LESSONS + TOOLS
15USE / LIVE
Look Converter
Transfer supported preset settings, inspect omissions, preview approximate effects and export styles plus reports.
00ARCHIVE / LIVEPICTURES
Johnny Auwen photographs and newly opened files.
01USE / LIVELIGHT CABINET
Cameras, lenses, systems, specifications, and owned equipment.
02USE / LIVEIMAGE AUTOPSY
Open a photograph and read the technical evidence left inside it.
03USE / LIVESHUTTER COUNT
A model-aware detector that reports what the file can—and cannot—prove.
04LEARN / LIVEVIEWFINDER
Framing, format, depth-of-field and exposure calculations, worked studies, checkpoints and export.
05LEARN / LESSONSHUTTER ATLAS
Plan a repeatable shutter-speed comparison and learn to distinguish subject movement from camera movement.
06LEARN / LESSONLENS FINGERPRINTS
Design repeatable observations of distortion, background rendering and flare before attributing an effect to a lens.
07LEARN / LESSONLIGHT RECIPES
Make a simple window-light comparison and record enough of the setup to reproduce it.
08LEARN / LESSONFAILURE ARCHIVE
Turn an unsatisfactory photograph into a testable explanation rather than a guessed diagnosis.
09LEARN / LESSONTHE SAME PICTURE
Set up an A/B photograph comparison in which the result can be attributed to the variable you meant to test.
10LEARN / LESSONDEAD FORMATS
Identify what is required to read old camera media before buying adapters or altering the original.
11LEARN / LESSONOPTICAL JUNK DRAWER
Build a simple pinhole projection to see why an image forms upside down and how distance changes its size.
Choose a photographic question. Learn why a picture looks the way it does, inspect an existing file, or identify equipment. These are separate starting points.
How to use this
- Understand the picture
Start Photography foundations. Use Viewfinder to calculate a framing or exposure tradeoff before trying it with a camera.
- Inspect a file
Image Autopsy reads surviving metadata. Shutter Count looks for supported counters; neither can recover information removed by an export.
- Find equipment
Use the Light Cabinet for identity and specifications. Use the Blue Book for condition-aware market evidence where available.
Try this: In Viewfinder compare f/4 at 1/250 s with f/5.6 at 1/125 s, using the same ISO. Then think about a moving subject.
You should get: The model predicts similar brightness while the longer shutter time allows more subject motion.
Know the limit: Tools are models or evidence readers. They do not replace a controlled photograph, a tested lens or an inspected sale.
Start Photography foundations