Prototype of Meoskop - made of metal, 5.5x Magnification, possibility of adjustment eye distance.
Meoskop I (1959) - made from red-brown bakelite. Mentioned enlargement 5,5x. It has little bit bigger size (2-3 mm) then Meoskop III. Links to the catalogue sheet.
Meoskop II (1962). 7x Magnification, focusing ability in the range from -5 to +3 diopters. Viewer was produced in different brown-white combinations. Price was 94 CSK. Link to the manual and catalogue sheet.
Meoskop III (1968 - made from plastic). Mentioned enlargement 5,5x. Meoskop III was produced in different colours, price was 35 CSK. Links to the manual version 1, 2 and 3 and catalogue sheet.
Meoskop IV (1973). Like other Meoskops also this one is sized to view pictures at 10.5 x 11.5 mm. Price 35 CSK, Magnification 5,5x. Catalogue sheet
Meoskop V (1981), price 40 CSK, 6x Magnification. Link to the catalogue sheet.
Illuminator for Meoskop I, II and III was sold in a paper box for 34 CSK. Link to the manual and catalogue sheet.
Illuminator adaptation - The bulb was replaced with a 4 piece white LED for illumination. The illumination is more intense and have a white natural color (instead of a yellow tint).
Folding viewer Filip (1971). Producer was company called "Filmové laboratoře Gottwaldov" (Film labs). Link to the manual and patent document (pdf).
Viewer Klad - producer was company called "Okresní kovopodnik Kladno" (Czech manual).