- LanguageAfrikaans Argentina Azərbaycanca
Bahasa Indonesia Brasil Brezhoneg
Català Česky Dansk
Deutsch Dhivehi English
English English Español
Esperanto Estonian Euskara
Finnish Français Français
Gaeilge Galego Hrvatski
Íslenska Italiano Latviešu
Lëtzebuergesch Lietuviu Magyar
Malay México Nederlands
Norsk bokmål Norwegian nynorsk Polski
Português Română Slovenšcina
Slovensky Srpski Svenska
Tiếng Việt Türkçe Wolof
Ελληνικά Български Македонски
Монгол Русский Српски
Українська עברית العربية (مصر)
العربية العربية پارسی
कोंकणी বাংলাગુજરાતી
தமிழ் ಕನ್ನಡ ภาษาไทย
ქართული ខ្មែរ 中文 (繁體)
中文 (香港) 日本語 简体中文
한국어
Home / Classics & Collectables / Lenses / watson_6.5in_holostigmat_s1_231 1
Item Name : Watson & Son London 6.5in f6.5 Holostigmat Convertible Series 1
Serial no. : 231
Reference : The Holostigmat, designed by Conrady, is a combinable lens sometimes sold in sets providing several focal lengths.The original model, series I of 1901, had an aperture of f6.1 and focal length of 4 - 12" when introduced, later increased to 20".normally covers about 65° or if stopped down up to 86-90°,a little more than the Dagor is usually rated to cover, and noticeably more than most other symmetrical anastigmats. The single cells cover 36-40° when used alone
Glass Description : Extremely early no.,cover 5x7in,front components 12.25in f11.3 & rear components 10.25in f11.3 can use individually,faint cleaning marks, some scratches on front & rear element,no haze
Remark :
Cosmetic Condition : EX+++
Price : $
Serial no. : 231
Reference : The Holostigmat, designed by Conrady, is a combinable lens sometimes sold in sets providing several focal lengths.The original model, series I of 1901, had an aperture of f6.1 and focal length of 4 - 12" when introduced, later increased to 20".normally covers about 65° or if stopped down up to 86-90°,a little more than the Dagor is usually rated to cover, and noticeably more than most other symmetrical anastigmats. The single cells cover 36-40° when used alone
Glass Description : Extremely early no.,cover 5x7in,front components 12.25in f11.3 & rear components 10.25in f11.3 can use individually,faint cleaning marks, some scratches on front & rear element,no haze
Remark :
Cosmetic Condition : EX+++
Price : $
coming