aperture lens वाक्य
उदाहरण वाक्य
मोबाइल
- Construction began in 1889, based around a aperture lens that Howe purchased from Alvin Clarke & Sons.
- Mandler also designed lenses for IMAX movie projection systems, high-aperture lenses for HP scanners, etc.
- Simulations show that such aberration-free designs are applicable to high-numerical aperture lenses such as flat microscope objectives.
- Their very short focal length and small aperture lenses have enormous depth-of-field almost nothing is out of focus.
- Since wide aperture lenses are rare today, most contemporary photographers confuse bokeh with shallow depth-of-field, having never seen either.
- On the Four-Thirds mount, it is the only affordable normal, large aperture lens, therefore it is popular lens on that format.
- They also feature a 12-megapixel rear-facing camera with a " Dual Pixel " image sensor and f / 1.7 aperture lens.
- They became very popular among professional photographers, especially photojournalists who demanded high-performance, large-aperture lenses for available-light work and a workhorse.
- For a high numerical aperture lens, equivalent to a wide aperture, the depth of field is small ( shallow focus ) and gives good optical sectioning.
- The first common very wide aperture lens suitable for candid available light photography was the "'Ernemann Ernostar "'( Germany ) of 1923.
- My theory is that the light from venus is so bright that it reflects off the eyepiece, to the aperture lens, and back to the eyepiece again.
- Subramanian A, Iyer L, Abbott AL, and Bell AE ( 2001 ) " Segmentation and range sensing using a moving-aperture lens ".
- However, this causes off-axis light to be focused closer to the lens than axial rays ( spherical aberration ); especially severe in wide angle or wide aperture lenses.
- However, during the 19th century, as one increased-sensitivity process replaced another, and larger apertures lenses became available, exposure times shortened to seconds and then to fractions of seconds.
- The rear-facing camera has a 16-megapixel sensor with a f / 1.8 aperture lens, infrared active autofocus, three-axis optical image stabilization, and LED flash.
- Very-large-aperture lenses are commonly made for other types of optical instruments such as microscopes but in such cases the diameter of the lens is very small and weight is not an issue.
- With the progress of high-speed films, higher-sensitivity digital image sensors, wide-aperture lenses, and the ever-greater power of urban lights, night photography is increasingly possible using available light.
- A series of derivatives followed, some easier to use with the introduction of exposure automation, e . g . the Pen EE; others with a wider aperture lens and a manual meter, such as the Pen D.
- Unlike newer L-series lenses, it is not a constant aperture lens; the maximum aperture of this lens varied with the zoom ( f / 2.8 @ 28 mm, f / 4.0 @ 80 mm ).
- The widest aperture lens in history of photography is believed to be the Carl Zeiss Planar 50mm f / 0.7, which was designed and made specifically for the NASA Apollo lunar program to capture the far side of the moon in 1966.
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