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JP3950571B2 |
To obtain an inner focus type photographing optical system where the fluctuation of aberration in the case of focusing is excellently compensated and which has excellent optical performance all over the object distance. This photographin...
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JP2007156277A |
To provide an imaging lens, an optical module, and a mobile terminal which reduce costs while shortening an overall length of an optical system and are superior in mass productivity and allow a good image quality to be obtained.The imagi...
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JP2007155868A |
To provide an imaging lens and an imaging apparatus which have satisfactory optical performance corresponding an imaging device with a high number of pixels and have optical characteristics less varied by temperature changes in the area ...
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JP3932578B2 |
To provide an objective lens capable of obtaining sufficiently high numerical aperture(NA), sufficiently correcting color aberration, making light in weight and facilitating manufacture by using low dispersion glass material whose Abbe n...
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JP3934197B2 |
To excellently correct a chromatic aberration, and read a color document with high definition by arranging positive first lens and second lens, negative third lens and fourth lens and positive fifth lens and sixth lens in this order from...
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JP3934195B2 |
To provide the photographic lens for an electronic still camera which is compact and has a wide field angle and excellently compensates distortion by arranging a negative lens which is concave to the image place side, a positive meniscus...
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JP2007148138A |
To provide an image pickup lens of short overall length in which various aberrations are well corrected, and capable of achieving design with loose tolerance sensitivity on the basis of a manufacturing step, and to provide an optical mod...
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JP3925748B2 |
To attain the cost reduction and high performance of a telephoto lens while making the telephoto lens small in size by dividing the whole lens system into two front and rear groups, having a telephoto lens constitution in which the front...
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JP3925747B2 |
To properly maintain a back focus without using an spherical lens, while realizing compact type, by inseating a negative lens having a prescribed refracting power at the pre-stage of a front joint lens, applying a gauss type lens constit...
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JP3921160B2 |
To provide a small and light-weight projection lens in which brightness is obtained at a wide viewing angle so that a projection viewing angle is about 75° and an f-number is about 2.4, lateral chromatic aberration and distortion aberra...
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JP2007127953A |
To provide a high-definition imaging optical system capable of completely correcting chromatic aberration while achieving complete miniaturization by a small number of lenses.The imaging optical system 10 includes: a first lens 11 having...
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JP2007510955A |
An optical system is provided. In order from an object side to an image side, the optical system includes a first lens element having a positive power, a meniscus shape, and an object side surface. The object side surface of the first le...
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JP2007086485A |
To obtain an imaging lens having a short total length even though having a three-lens construction and capable of obtaining satisfactory optical performance.In the imaging lens wherein a first lens L1 having positive refraction force, an...
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JP2007058153A |
To provide an imaging lens of short overall length in which various aberrations are well corrected and incident angle to the image plane is controlled, and to provide an optical module and portable terminal.The imaging lens 100 comprises...
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JP3880147B2 |
To obtain a single focus lens small in size, reduced in the number of lenses, low in cost and excellent in performance while securing sufficient back focus by using a diffraction optical element. This single focus lens is constituted of ...
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JP3881955B2 |
To provide a two-piece type diffraction and refraction combination type image forming system. This system is constituted of a first lens and a second lens and the first lens is provided with a concave face and a convex face and the conca...
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JP2007501794A |
The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The bridging compound consists of a material that...
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JP3869895B2 |
To excellently compensate the various kinds of eccentric aberration and to realize very large displacement compensation (blur compensation) with very small eccentric driving amount by moving a second group on an optical axis so that focu...
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JP2006349920A |
To obtain a photographing optical system which is compact and achieves the wide angle of view and a large diameter, and which obtains high performance regardless of a subject distance.The photographing optical system is constituted by su...
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JP3856258B2 |
To allow reading angle to be wider and to improve the quality of the read picture at a low cost by using a four lens constitution and satisfying special conditions. A first lens L1 is a positive meniscus lens having a convex face on an o...
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JP2006323288A |
To provide a compact and inexpensive reading lens which is constituted of a small number of lenses but is relatively bright, such as F/NO is about 5.0, is substantially 100% in numerical aperture up to the peripheral part, satisfactorily...
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JP2006309043A |
To provide a small imaging lens with high performance suitable for a high-density imaging device.The imaging lens has an arrangement of, from an object side to an image plane side, a first lens 1 having negative refractive power and havi...
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JP2006292991A |
To obtain an optical apparatus in which an imaging lens, capable of downsizing a lens system as a whole while having the brightness of about F number 2.8, and having an excellent portability and imaging performance adaptable to a large n...
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JP3833754B2 |
To obtain a signal lens for which a DOE(diffraction type optical element) is used and which features high specifications and high image quality by using a specific positive lens. The diffraction type optical element consisting of the pos...
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JP3834016B2 |
To provide an optical system for stereophotography, which can efficiently photographs a stereo image whose width is greater than its length and angle of field is large in the direction thereof, and to provide a stereo camera using the op...
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JP3835398B2 |
To provide an imaging lens for a solid-state imaging device whose optical performance is excellent, whose performance degradation is restrained to be little with respect to temperature change and which is inexpensive and compact by appro...
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JP3823436B2 |
To provide a projection optical system constituted so that partial chromatic aberration and the other monochromatic aberration can be compatibly corrected by including a first lens group having positive power, a second lens group having ...
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JP3821929B2 |
To effectively compensate axial chromatic aberration in a low magnification lens and to attain high performance in a wide wavelength area by specifying a distance between lenses, the radius of curvature of a concave surface and balance b...
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JP3809270B2 |
To provide a telecentric objective lens in which a field angle can be widened, and full lens length can be shortened by adopting a retro-focus type. This objective lens is provided with a first group 103 consisting of a meniscus-shaped n...
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JP3810058B2 |
To provide a simply constituted single focal point lens suitable as a compact, small-sized photographic lens for an imaging element which has high performance in spite of having a three-lens-element constitution of a positive lens, a sto...
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JP3800420B2 |
To provide a macrolens which is made compact by adopting a retrofocus type and enables photography over a wide range from nonmagnification to infinity by employing a floating mechanism. The macrolens has, in order from the object side, a...
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JPWO2004107009A1 |
It is an imaging lens that is compact and has good aberration correction and image-side telecentric characteristics. This imaging lens is composed of a first lens group (G1), a second lens group (G2), a third lens group (G3), and a fourt...
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JPWO2004088386A1 |
Refractive index nLRadius of curvature R depending on the material ofLThe image of the sample 2 is observed using the solid immersion lens (SIL) 1 formed by having the spherical lens surface 10 of the above. In this sample observation, t...
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JP3793718B2 |
To provide a diffraction optical element for producing effective multimode fiber excitation and effective reflection control. The optical element is a diffraction type transmission lens (14) for connecting a light source to a light trans...
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JP2006163340A |
To provide an optical system of a high resolution using only plastic lenses.The optical system of the high resolution using the plastic lenses includes, sequentially from an object side: an aperture stop; a plastic first lens having plus...
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JP2006145770A |
To provide a compact, inexpensive and high-optical-performance wide angle lens suitable for a mobile camera or the like.In the wide angle lens, a 1st lens 1 having negative refractive power and having an aspherical surface S2 on an image...
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JP3781394B2 |
To provide a photographing optical system capable of improving chromatic aberration and obtaining high image quality, reduced in the number of composing lenses, small in size, light in weight, and low in cost. This photographing optical ...
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JP2006133638A |
To provide a lighting system capable of realizing illumination having high illumination efficiency for a sample without being influenced by the change of a rear-side focal position of an objective even in the case of observation in diffe...
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JP2006513449A |
Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a negative first unit (U1) separated from a positive second unit (U2) by a reflective surface (RS) which folds the lens' optical axis. The lens...
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JP3767182B2 |
To improve assemblability by restraining the deterioration of optical performance caused by eccentricity and also to make compensation for the various kinds of aberration excellent in an image pickup lens constituted of two lenses. This ...
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JP3768509B2 |
To attain a high-performance compact lens system by effectively using aspherical surfaces, even though the lens system is constituted of a small number of lenses. A 1st positive lens G1 constituted of glass material, a diaphragm St, a 2n...
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JP3768510B2 |
To attain a wide-angle lens system constituted of a small number of lenses, but, having high performance, and made compact by effectively using aspherical surfaces. A 1st positive lens G1 constituted of glass material, a diaphragm St, a ...
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JP3758284B2 |
To suppress the occurrence of color moire without using any optical low-pass filter by specifying the relation between an optical lens and a color imaging device. An image pickup device is constituted so as to satisfy the conditional exp...
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JP3755525B2 |
To facilitate drive control over a lens of a projection optical system that increases the resolution of a picture to be provided by shifting the picture on a projection surface by making some lenses eccentric. The projection optical syst...
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JP3753842B2 |
A super wide angle lens, having a viewing angle greater than 120 degrees, and an F-number of about 1.2 is disclosed. The lens is formed of a first lens group G1 of negative refractive power, a second lens group G2 of positive refractive ...
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JP3753183B1 |
Provided is an imaging lens system which can sufficiently meet the demands for further reduction of size and weight and for further improvement of the optical performance, and is also capable of improving the productivity. The imaging le...
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JP3753184B1 |
Compact imaging lens for e.g. a mobile phone comprising, from the object side, a diaphragm (2), a first positive meniscus lens (3) the convex surface of which facing the object side, and a second positive lens (4) the convex surface of w...
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JP3751159B2 |
To provide an image pickup lens capable of maintaining desired optical performance, properly setting the power of a 1st lens and the power of a 2nd lens while a large back focus distance is secured, and being easily manufactured. This im...
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JP3746942B2 |
A telephoto lens system includes a positive first lens group, a negative second lens group and a positive third lens group. Upon focusing, the second lens group moves toward the image, and the telephoto lens system satisfies the followin...
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JP2006505820A |
In a zoom lens ( 30 ) comprising, from the object side to the image side, a front lens group ( 12 ) and a controllable lens group ( 24 ), the controllable lens group comprises two lens elements ( 25, 26 ) having different dispersions and...
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