DE270212C - - Google Patents
Info
- Publication number
- DE270212C DE270212C DENDAT270212D DE270212DA DE270212C DE 270212 C DE270212 C DE 270212C DE NDAT270212 D DENDAT270212 D DE NDAT270212D DE 270212D A DE270212D A DE 270212DA DE 270212 C DE270212 C DE 270212C
- Authority
- DE
- Germany
- Prior art keywords
- lens
- eye
- optical system
- parallel
- objective
- 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.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE270212C true DE270212C (en:Method) |
Family
ID=526983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT270212D Active DE270212C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE270212C (en:Method) |
-
0
- DE DENDAT270212D patent/DE270212C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69425866T2 (de) | Sucher | |
| DE2716616A1 (de) | Weitwinkelobjektiv zur visuellen und photographischen untersuchung des fundus | |
| DE270212C (en:Method) | ||
| DE971992C (de) | Anamorphotisches Aufnahme- und Projektionsobjektiv mit Einrichtung zur Fokussierungauf beliebigem Objekt- bzw. Bildabstand | |
| DE250784C (en:Method) | ||
| DE556106C (de) | Fernrohr | |
| DE71615C (de) | Fernrohr und fernrohrartige Vorrichtungen zum Richten • von Geschützen und Handfeuerwaffen | |
| DE1928520A1 (de) | Sucherobjektivsystem | |
| DE27860C (de) | Apparat zur Prüfung der Brennweite des Auges oder anderer optischer Systeme | |
| DE1928520C (de) | Suchersystem für eine einäugige Spiegelreflexkamera | |
| DE96451C (en:Method) | ||
| DE616688C (de) | Fernrohrsucher fuer Lichtbildkammern | |
| DE1203488B (de) | Objektiv mit veraenderlicher Brennweite | |
| DE950412C (de) | Ablesefernrohr | |
| DE438394C (de) | Vorrichtung zur Untersuchung prismatischer Linsensysteme | |
| AT86836B (de) | Stereo-Mikroskop. | |
| DE289870C (en:Method) | ||
| AT63071B (de) | Brille zur Betrachtung von kinematographischen Projektionsbildern aus geringer Entfernung. | |
| DE668932C (de) | Optik in Lichttonaufzeichnungsgeraeten | |
| DE279973C (en:Method) | ||
| DE364749C (de) | Vorrichtung zum Bestimmen der Refraktion des Auges und dessen Astigmatismus | |
| DE228562C (en:Method) | ||
| DE205707C (en:Method) | ||
| DE82476C (en:Method) | ||
| DE270995C (en:Method) |