Lighten the dark corners of an old photograph
Simple lenses of the box camera era and some scanners leave dark rounded corners. Faces at the edge of the frame disappear into the shade. Send a photo of the picture and the bot evens out the exposure and lifts the corners without flattening the mood.
- 2 credits per image
- Result in 1–2 minutes
- No sign-up
In short: Lift the dark corners that came from an old lens, a box camera or a scan. Even out the light and keep the mood. Telegram bot, 7 images free to try.
- Where: the VisuMate bot in Telegram, no app or sign-up.
- Cost: 2 credits per image, 7 images free, then packs from 129 Telegram Stars.
- Time: 1 to 2 minutes per image, rerun with a new instruction at the same price.
- Credits never expire, there is no subscription and no auto-renew. You pay once for a pack inside Telegram with Stars.
When you need this
- Faces at the edge sit in the dark.
- The center is bright while the corners are muddy.
- A flat brightness filter makes the whole picture gray.
How to do it
- 1
Press the button to open @visumate_ai_bot in Telegram. No sign-up, and new users get 15 free credits, which is 7 images.
- 2
Send the print or scan as a file. In the caption write: 'even out the dark corners, lift the shadows at the edges, keep the center as it is and keep a soft natural light'.
- 3
In 1-2 minutes the corrected image arrives for 2 credits. Compare the four corners to see whether they match.
Try it on your own photo: 7 images are free, no sign-up.
Make it in TelegramLens or scanner
A vignette made by the camera is part of the picture and fits the era. A vignette made by the scanner lid or a lamp is not. Look at your other prints from the same roll. If the corners are dark on all, the camera did it. If only one scan has it, rescan. In both cases a gentle lift helps. Large corrections amplify noise, so the bot works with measure.
Keeping the mood
A little vignette keeps the eye on the sitter, so you may not want it fully gone. Ask for a reduction rather than a removal. Compare the original and the new version at small size, since that is how most people will see them. If your goal is a print, check the result on paper before ordering many copies. A test print costs little and avoids a bad batch.
Tips
- Say if some vignette is wanted, so the picture does not look flat.
- Rescan with the lid open and a black cloth if the scanner is the cause.
- Check the print edges for real stains.
- Do not push the exposure so far that grain explodes.
Questions and answers
Will it brighten the center too?
Only if you ask. The default request in the caption can limit the work to the corners.
Does it work on slides?
Yes. Send the slide scan as a file and describe the problem.
What does it cost?
2 credits per image. New users get 15 free credits, so 7 images cost nothing. After that packs start at 129 Telegram Stars, about $2.6 and credits do not expire.
Does the bot work in English?
Yes. It picks up your Telegram language on first launch. You can switch it any time with /lang.
What the bot does not do
- Does not print photos and does not retouch passport or ID photos.
- Does not promise a fixed pixel size. Check the result at full size before printing.
- Heavily damaged faces are reconstructed by AI and may not look like the person. Compare with another photo.
- Does not make video or animate the photo.
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