Sunbuck Kondo Audio Note KSL-M7 preamplifier “clone”/ Exploding Capacitors

Here is my first tube photo in a while: a Russian 5U3C (Cyrillic: 5Ц3C) rectifier tube from 1976. It’s what’s known as New Old Stock (NOS), meaning that the tube has never been used. The tube was bought for a Kondo Audio Note KSL-M7 preamplifier clone produced and sold by the Chinese brand Sunbuck on… Continue reading Sunbuck Kondo Audio Note KSL-M7 preamplifier “clone”/ Exploding Capacitors

The Pentax K10D in 2026 ~ Review, Photos, Impressions

Pentax K10D + Carl Zeiss 35mm f/2 distagon lens.

In October, I did some night photography experiments with a Nikon D3 and a Pentax K1. On a Pentax forum, I came across some photos taken with the Pentax K10D, the last Pentax DSLR to use a CCD (Charge-Coupled Device) sensor. The 10D was released in 2006 following a range of CCD-based 6.1 megapixels DSLRs… Continue reading The Pentax K10D in 2026 ~ Review, Photos, Impressions

Pentax 77mm 1.8 Limited Lens in 2026

Pentax 77mm 1.8 lens on top of white paper

The Pentax 77mm f/1.8 lens, the brainchild of Japanese lens designer Jun Hirakawa, stands out with its unusual focal length of 77mm and f-stop value of 1.8. These specifications diverge from more traditional choices like 50mm, 80mm, or 85mm, and apertures such as f/1.4 or f/2.0, clearly showing Hirakawa’s unique approach. CompatibilityInterestingly, the 77mm, launched… Continue reading Pentax 77mm 1.8 Limited Lens in 2026