Atommann from the #twibright IRC channel sells the 130 mm glass lenses by Hong Kong post. 2017-05-08 1 lens 45 RMB = 6.51 USD, example postage 4 lenses to Germany $27.7, to New York $27.7.
His e-mail is firstname.lastname@example.org . He lives in Shenzhen, China, where all the world electronics production is concentrated. He used opensource gEDA and built a picture phone (another image)
Pound shops like this one in North London. In this one you could buy 100mm
- Prazska trznice Bubenske nabrezi 13/306, Praha. Usually have in the stall
next to the main entrance, but they use to have it also at other stalls. The last
reported price is 75 CZK/pc (from 2004). Lens w/rim 130mm, w/o rim approx.
128mm, rim height 22mm, lens thickness in the middle 18mm, lens weight 320g.
The dimensions tend to vary.
- steebe (at) seznam (dot) cz Kolin, CZ. Loupes from the Vietnamese, 100mm for 15 CZK,
possible to send even with the handle, they are clear and they are many. Somewhat
- Hulin / Chropyne on the market in Chropyne it was possible to buy
130mm loupes for 120 CZK (possible to negotiate down to 100 CZK).
loupe with 130mm glass lens. 2017-05-07 in stock, 472 CZK.
- The dimensions of the 13cm lens seem to be: lens w/rim diameter 130mm,
lens w/o rim diameter 128mm, rim height 22mm (plus protrusion for holder attachment),
lens thickness in the middle: 18mm, complete weight 365g, lens weight 320g.
- Bratislava, Trznice na Trnavskem myte, but very expensive and max. 100mm.
Or in shops "vsetko za 30 Sk a viac", where you can usually get
90mm for 60 SKK.