CA414804A - Filtre optique - Google Patents

Filtre optique

Info

Publication number
CA414804A
CA414804A CA414804A CA414804DA CA414804A CA 414804 A CA414804 A CA 414804A CA 414804 A CA414804 A CA 414804A CA 414804D A CA414804D A CA 414804DA CA 414804 A CA414804 A CA 414804A
Authority
CA
Canada
Prior art keywords
optical filter
filter
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA414804A
Other languages
English (en)
Inventor
Herbert Land Edwin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA414804A publication Critical patent/CA414804A/fr
Expired legal-status Critical Current

Links

CA414804A Filtre optique Expired CA414804A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA414804T

Publications (1)

Publication Number Publication Date
CA414804A true CA414804A (fr) 1943-08-31

Family

ID=35524000

Family Applications (1)

Application Number Title Priority Date Filing Date
CA414804A Expired CA414804A (fr) Filtre optique

Country Status (1)

Country Link
CA (1) CA414804A (fr)

Similar Documents

Publication Publication Date Title
CA414804A (fr) Filtre optique
CA414269A (fr) Filtre en verre
CA411147A (fr) Filtre
CA411951A (fr) Filtre
CA413585A (fr) Filtre
CA416640A (fr) Compensateur refracteur photographique
CA417334A (fr) Filtre continu
CA409847A (fr) Systeme d'optique
CA409848A (fr) Systeme d'optique
CA415664A (fr) Objectif optique
CA415665A (fr) Objectif optique
CA409849A (fr) Objectif d'optique
CA416734A (fr) Objectif telephotographique
CA414127A (fr) Lunettes
CA414644A (fr) Lunettes
CA410799A (fr) Filtre de liquide
CA416669A (fr) Polarisateur de la lumiere
CA412287A (fr) Systeme de filtration
CA409868A (fr) Verre de lunettes
AU118402B2 (en) Improved filter device
CA412191A (fr) Appareil de filtre
CA413612A (fr) Filtre d'huile
CA414030A (fr) Filtre d'huile
CA414031A (fr) Filtre d'huile
CA412841A (fr) Etui de lunettes