My name is Kasper Bergholt. I’m a Copenhagen-based artist, photographer, and poet. After 16 years away from the visual arts, a vintage Nikon D3, bought in 2023 for a minor macro photography project (documenting a Leben tube amplifier), pulled me back in. This expanded into photographing architecture and various objects, some of which have been… Continue reading About
The Leben CS-600 ~ An Introduction to Leben Tube Amplifiers
This blog post, focusing on the Leben CS-600 and CS-600X tube amplifiers, began as a thorough introduction to vintage tubes after I bought a Leben CS-600 in 2024. It expanded to cover other Leben Hi-Fi Stereo Company amplifiers, from early models to their latest tube-based products, with a focus on integrated amplifier designs. In addition,… Continue reading The Leben CS-600 ~ An Introduction to Leben Tube Amplifiers
Blockchain Poetry: Gibson, Wordsworth, Shakespeare (all Williams)
In 2011 I wrote a system poem. In 2024 I inscribed it into the Bitcoin blockchain. In 2025 I finished a photographic work, ICE | July | 1982, built around William Gibson’s concept of Black ICE: the cryptographic membrane that, in the novel, wraps data against intrusion. This page is an attempt to pull those… Continue reading Blockchain Poetry: Gibson, Wordsworth, Shakespeare (all Williams)
Bill Evans: The Paris Concert Edition Two
“Unfortunately, many of our best performances are out there in the universe someplace, and you still as professionals have to go in at ten o’clock on Wednesday and make a record and hope that every few records you might catch a really good day. And the rest of it is being professional and, certainly as… Continue reading Bill Evans: The Paris Concert Edition Two
The Nikon D3 in 2026 ~ Review, Photos, Thoughts
In December 2023, I switched from a Pentax K5 to a Nikon D3. With the K5, I used either a 35mm macro limited lens or a 77mm f/1.8 limited. The K5 had slowly worn out. First, the SD card slot stopped working, causing cards to get stuck, leaving only the USB port usable. When that… Continue reading The Nikon D3 in 2026 ~ Review, Photos, Thoughts
