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  2. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]

  3. Blues rock - Wikipedia

    en.wikipedia.org/wiki/Blues_rock

    Blues rock is a fusion genre and form of rock music that relies on the chords/scales and instrumental improvisation of blues. [3] [4] It is mostly an electric ensemble-style music with instrumentation similar to electric blues and rock (electric guitar, electric bass guitar, and drums, sometimes with keyboards and harmonica).

  4. Scheimpflug principle - Wikipedia

    en.wikipedia.org/wiki/Scheimpflug_principle

    Scheimpflug principle. Tilt-lens photo of a model train. The lens was swung towards right, in order to keep the plane of focus along the train. The sensor plane, the lens plane and the plane along the train all intersect to the right of the camera. A scientific camera with a Scheimpflug adaptor mounted between the lens and the camera, showing ...

  5. Blues Blues Blues - Wikipedia

    en.wikipedia.org/wiki/Blues_Blues_Blues

    Blues Blues Blues. Blues Blues Blues is an album credited to the Jimmy Rogers All-Stars. [1] [2] It was released in January 1999, just over a year after Jimmy Rogers's death. [3] The album peaked at No. 1 on the UK Jazz & Blues Albums Chart. [4] Mick Jagger, one of the album's many featured musicians, considered Rogers to be the originator of ...

  6. Category : Documentary films about blues music and musicians

    en.wikipedia.org/wiki/Category:Documentary_films...

    I. I Am the Blues (film) Ike & Tina on the Road: 1971–72. In Search of Blind Joe Death: The Saga of John Fahey. Iron City Blues.

  7. Category:Rock music photographers - Wikipedia

    en.wikipedia.org/wiki/Category:Rock_music...

    Donna Santisi. Jarrad Seng. Rob Shanahan. Edmund Shea. Kate Simon (photographer) Pennie Smith.

  8. Single-lens reflex camera - Wikipedia

    en.wikipedia.org/wiki/Single-lens_reflex_camera

    A single-lens reflex camera ( SLR) is a camera that typically uses a mirror and prism system (hence "reflex" from the mirror's reflection) that permits the photographer to view through the lens and see exactly what will be captured. With twin lens reflex and rangefinder cameras, the viewed image could be significantly different from the final ...

  9. Category:Blues music genres - Wikipedia

    en.wikipedia.org/wiki/Category:Blues_music_genres

    Blues rock‎ (5 C, 3 P) C. Chicago blues‎ (2 C, 8 P) ... Pages in category "Blues music genres" The following 39 pages are in this category, out of 39 total.