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Camera lens with big focal length
In photography, a long-focus lens is a camera lens which has a focal length that is longer than the diagonal measure of the film or sensor that receives
Long-focus_lens
Type of camera lens with long focal length
A telephoto lens, also known as telelens, is a specific type of a long-focus lens used in photography and cinematography, in which the physical length
Telephoto_lens
Optical device used with a camera to create images
A camera lens, photographic lens or photographic objective is an optical lens or assembly of lenses (compound lens) used in conjunction with a camera
Camera_lens
Photographic optic
little room to spare. Lenses may be able to produce a considerably larger image circle than is needed (notably long focus lenses), but when optimised for
Large_format_lens
Optical device which transmits and refracts light
A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. A simple lens consists of a single piece of transparent
Lens
Lens with a variable focal length
fixed-focal-length (FFL) lens (prime lens). A true zoom lens or optical zoom lens is a type of parfocal lens, one that maintains focus when its focal length
Zoom_lens
Type of lens
lens of roughly twice the diagonal is considered "normal". Longer lenses magnify the subject more, apparently compressing distance and (when focused on
Wide-angle_lens
Camera that typically uses a mirror and prism system
taken at a middle or longer distance, but parallax causes framing errors in close-up shots. Moreover, it is not easy to focus the lens of a fast reflex camera
Single-lens_reflex_camera
Type of optical telescope
in spyglasses and astronomical telescopes but is also used for long-focus camera lenses. Although large refracting telescopes were very popular in the
Refracting_telescope
Eye structure
The lens, or crystalline lens, is a transparent biconvex structure in most land vertebrate eyes. Relatively long, thin fiber cells make up the majority
Lens_(vertebrate_anatomy)
Distortion of an object in photography
extended. Compression, long-lens, or telephoto distortion can be seen in images shot from a distance using a long focus lens or the more common telephoto
Perspective_distortion
Design of lenses for use in cameras
the lens to fit into a standard mount as the focal length can be less than the distance from lens mount to focal plane. Long-focus lens – a lens with
Photographic_lens_design
Camera setup
lenses were most familiar with the 35 mm film format. On any 35 mm film camera, a 28 mm lens is a wide-angle lens, and a 200 mm lens is a long-focus lens
35_mm_equivalent_focal_length
Film shot lasting much longer than conventional shots
refers to the use of a long-focus lens[citation needed] and not to the duration of the take. The length of a long take was originally limited to how
Long_take
Type of camera
aperture long-focus lenses. The lenses are also more expensive because the shutter mechanism is integrated with the lens, not the camera body, so each lens pair
Twin-lens_reflex_camera
Standard lens mount on the Canon EOS family
The EF lens mount is the standard lens mount on Canon’s EOS family of cameras. EF stands for "Electro-Focus": automatic focusing on EF lenses is handled
Canon_EF_lens_mount
Photographic and cinematographic technique using a large depth of field
how much light enters through the lens, achieving deep focus requires a bright scene or long exposure. A wide-angle lens also makes a larger portion of the
Deep_focus
Optical system where refraction and reflection are combined
optical system, usually via lenses (dioptrics) and curved mirrors (catoptrics). Catadioptric combinations are used in focusing systems such as searchlights
Catadioptric_system
Camera technique
this type of lens. Short-focus perspective-control (PC) lenses (i.e., 17 mm through 35 mm) are used mostly in architectural photography; longer focal lengths
Tilt–shift_photography
Series of film and digital cameras and lenses
APO — the lens has an apochromatic (or near-apochromatic) design C — the lens is stamped “Sekor C” on the lens barrel. All manual-focus lenses for Mamiya
Mamiya_645
Imaging or videoing an unaware subject
Street photography Photojournalism Celebrity photography Surveillance Long focus lens Subminiature photography Candid photography Upskirt "Spy pictures of
Secret_photography
Aesthetic quality of blur in the out-of-focus parts of an image
produced in out-of-focus parts of an image, whether foreground or background or both. It is created by using a wide aperture lens. Some photographers
Bokeh
Sensor-controlled optical focus
Through-the-lens optical autofocusing is usually speedier and more precise than manual focus with an ordinary viewfinder, although more precise manual focus can
Autofocus
Optical aberration
"ideal" single-element lens system for which all planar wave fronts are focused to a point at distance f from the lens. Placing this lens the distance f from
Petzval_field_curvature
Photographic equipment
more prominent in long focus lenses because they have a smaller viewing angle than that of wide-angle lenses. For wide angle lenses, the length of the
Lens_hood
Secondary lens used to enable macro photography
a specialised primary lens. They work like reading glasses, allowing a primary lens to focus more closely. Bringing the focus closer allows the photographer
Close-up_lens
Daguerre all used simple single-element convex lenses. These lenses were found lacking. Simple lenses could not focus an image over a large flat film plane (field
History of photographic lens design
History_of_photographic_lens_design
Measure of how strongly an optical system converges or diverges light
sharply, bringing them to a focus in a shorter distance or diverging them more quickly. For the special case of a thin lens in air, a positive focal length
Focal_length
Lens optics concept
Depth of focus is a lens optics concept that measures the tolerance of placement of the image-capturing plane (the plane of an image sensor or a film
Depth_of_focus
Lens implanted in the eye to treat cataracts and/or myopia or hyperopia
monofocal lenses matched to distance vision. However, other types are available, such as a multifocal intraocular lens that provides multiple-focused vision
Intraocular_lens
Screw thread mounting standard for attaching lenses to 35 mm cameras
The M42 lens mount is a screw thread mounting standard for attaching lenses to 35 mm cameras, primarily single-lens reflex models. It is more accurately
M42_lens_mount
Large-format camera
in which the lens forms an inverted image on a ground-glass screen directly at the film plane. The image is viewed, composed, and focused, then the glass
View_camera
Failure of a lens to focus all colors on the same point
different wavelengths of light are focused at different distances from the lens (focus shift). Axial aberration is typical at long focal lengths. Transverse aberration
Chromatic_aberration
Angular extent of given scene imaged by camera
and 64° Normal, or standard lenses (36–60 mm in 35 mm film format) cover between 62° and 40° Long-focus lenses (any lens with a focal length greater than
Angle_of_view_(photography)
Blurry region in optics
is an optical spot caused by a cone of light rays from a lens not coming to a perfect focus when imaging a point source. It is also known as disk of confusion
Circle_of_confusion
Photographic lens designed by Paul Rudolph
and medium-long focus lenses for small and medium format cameras. One of the most notable Planar lenses is the high-speed f/2.0/110 mm lens for the 2000-
Zeiss_Planar
Wide-angle photographic lens with strong barrel distortion
point, a feature normally seen in large long-focus or telephoto lenses to reduce strain on the lens mount. The lens is extremely rare. More recently, the
Fisheye_lens
Mirrorless camera lens mount
The "RF" retroactively stands for "Re-Imagined Focus". Canon full-frame cameras have used the EF lens mount since 1987. The RF mount's inner diameter
Canon_RF_lens_mount
Property of a lens mount system
distance (FBD), flange focal length (FFL), back focus or register, depending on the usage and source) of a lens mount system is the distance from the mounting
Flange_focal_distance
Length of area in visual focus
perspective control lenses, etc. Swiveling the lens or sensor causes the plane of focus (POF) to swivel, and also causes the field of acceptable focus to swivel
Depth_of_field
Term for a thin, flat camera lens
lenses have too short a focal length to fit in front of the retractable mirrors used in reflex cameras. In such a situation, a pancake lens focuses in
Pancake_lens
Optical device for recording images
which regulates the amount of light reaching the sensor or film; the lens, which focuses the light; the viewfinder, which allows the user to preview the scene;
Camera
Distance beyond which all objects can be brought into an acceptable focus
a distance from a lens beyond which all objects can be brought into an "acceptable" focus. As the hyperfocal distance is the focus distance giving the
Hyperfocal_distance
Image artifact in a lens system
A lens flare is a visual artifact caused by light scattering, or flaring, in a lens system. This can happen through light scattered by the imaging mechanism
Lens_flare
Lenses designed for cinematography
follow focus systems, motors, and lens control systems (LCS). The focus ring itself is usually much wider than on a photographic lens and has a longer rotational
Cine_lens
Method of photography
camera with its lens attached behind the eyepiece of a Keplerian optical telescope, the combination giving the photographer a long focus lens. Historically
Afocal_photography
Single-lens reflex camera with a digital image sensor and recording mechanism
the angle of view of long-focus (telephoto) lenses, making it easier to take close-up images of distant objects, wide-angle lenses suffer a reduction in
Digital single-lens reflex camera
Digital_single-lens_reflex_camera
Focusing ability of eye
controlled. The main ways animals may change focus are: Changing the shape of the lens Changing the position of the lens relative to the retina Changing the axial
Accommodation (vertebrate eye)
Accommodation_(vertebrate_eye)
Multiplier factor in digital imaging, compared to 35mm film camera focal length
the same FOV that a 35 mm film format camera would require a 480 mm long focus lens to capture. For a given exposure, for example for a fixed focal-plane
Crop_factor
1989 American experimental horror film
the Son of Earth drags himself across the desert was filmed with a long-focus lens over hot sand, which produced a mirage-like screen distortion. Time-lapse
Begotten_(film)
Digital image processing technique
areas in a stack of sections. Brenizer method Deep focus Epsilon photography Focus bracketing Frazier lens High dynamic range Image fusion Image stitching
Focus_stacking
Camera model
multi-coated, a feature long found on higher-grade Pentax lens. "IF" indicates that the lenses are of an internal focusing design. Pentax 67 lenses can be used on
Pentax_645
Family of macro lenses by Nikon
similar to other manual focus Micro-Nikkor lenses, but the long focal length gives it a longer working distance, with a closest focus distance of 0.71 m (28 in)
Micro-Nikkor
Type of photography and cinematography lens
distance. Lenses of shorter focal length are called wide-angle lenses, while longer-focal-length lenses are referred to as long-focus lenses (with the
Normal_lens
Photographic lens
(2024) is the only mirror lens designed and produced to auto focus with a 35mm film SLR camera. There are other mirror lenses that can mount onto current
Minolta_AF_Reflex_500mm_f/8
Camera lens with fixed focal length
In film and photography, a prime lens is a fixed focal length photographic lens (as opposed to a zoom lens), typically with a maximum aperture from f/2
Prime_lens
Hole or opening through which light travels
composition and focusing; this feature became known as open-aperture metering. For some lenses, including a few long telephotos, lenses mounted on bellows
Aperture
Photographic lens
lens is available in Canon, Nikon, and Sigma mounts. Due to the size and weight of the lens, there are some unusual usage considerations. Both focus and
Sigma 200-500mm f/2.8 EX DG lens
Sigma_200-500mm_f/2.8_EX_DG_lens
Art of motion picture photography
recently, electronic video camera) photography. Cinematographers use a lens to focus reflected light from objects into a real image that is transferred to
Cinematography
1989 film by Steven Spielberg
propeller was filmed in a water tank at Elstree. Spielberg used a long focus lens to make it appear the actors were closer to the propeller than they
Indiana Jones and the Last Crusade
Indiana_Jones_and_the_Last_Crusade
Lens mount
AF-P lenses (introduced in 2016) will not focus, even manually, on cameras introduced before roughly 2013.[citation needed] Many manual focus lenses can
Nikon_F-mount
Photography genre and techniques of extreme close-up pictures
Lenses with a "macro" focusing feature are specifically designed for close-up work, with a longer barrel extension mechanism than conventional lenses
Macro_photography
Camera focus technique
camera opening out to infinity. Lenses focus more selectively so that, for objects near the lens, the distance between lens and sensor or film is increased
Tilted_plane_focus
Optical device
Conventional refracting telescopes that use relay lenses have a straight optical path that is relatively long; as a result, monoculars normally use Porro or
Monocular
Toy lenses for Nikon SLR cameras
macro lens Fuwatto Soft (ふわっとソフト), a f=90 mm f/4.8 soft focus lens Dodotto 400 (どどっと400), a f=400 mm f/8 telephoto lens The concept for the lens set started
Nikon_Amusing_Lenses
Manufacturer of innovative photographic lenses
8. The first lens was the 60 mm f/2.8 2 x Ultra Macro, a full frame lens with a magnification factor of 2:1 that could also be focused to infinity which
Venus_Optics
35mm lens mount
wide-angle lenses can be used on the Nikon cameras and vice versa, the longer lenses (50 mm and above), if used, will not be able to focus at both close
Nikon_S-mount
1935 German Nazi propaganda film
techniques—such as moving cameras, aerial photography, the use of long-focus lenses to create a distorted perspective, and the revolutionary approach
Triumph_of_the_Will
Device used to focus light using diffraction
A zone plate is a device used to focus light or other things exhibiting wave character. Unlike lenses or curved mirrors, zone plates use diffraction instead
Zone_plate
Type of photography aimed at expressing the personality of the human subject(s)
focus. Stopping the lens down by one or two stops will help ensure sufficient depth of field so the entire face is in focus, when the nominal focus point
Portrait_photography
Camera model
with two lenses specially designed for it: the Leitz Summicron-C 40mm f:2 sold as the normal lens, and the Leitz Elmar-C 90mm f:4 long lens. Both take
Leica_CL
35mm compact camera
8 lens, and can focus down to 35 centimetres (14 in). The camera is lightweight at 145 grams (5.1 oz) and splash proof. The fixed lens on this camera is
Olympus_Stylus_Epic
Konica Minolta released the following lenses for Minolta A-mount cameras between 1985 and 2006. While most auto-focus lens designs were new developments, some
List of Minolta A-mount lenses
List_of_Minolta_A-mount_lenses
Type of camera that can also capture the direction of travel of light rays
main lens. The image sensor is positioned slightly behind the microlenses. Using such images, the displacement of image parts that are not in focus can
Light_field_camera
Aspect of photography history
of the single-lens reflex camera (SLR) begins with the use of a reflex mirror in a camera obscura described in 1676, but it took a long time for the design
History of the single-lens reflex camera
History_of_the_single-lens_reflex_camera
1990s 35 mm autofocus camera
The Konica Hexar is a 35 mm fixed-lens, fixed focal length autofocus camera which was produced through the 1990s. It was introduced to the market in 1993
Konica_Hexar
Photography genre
sports tend to have longer focal length long focus lenses with slower apertures, while indoor sports tend to have shorter lenses with faster apertures
Sports_photography
Line of camera lenses
lenses are for use in selective focus photography and bokeh effects. Lensbaby lenses can be used with most cameras that accept interchangeable lenses
Lensbaby
Type of surveillance camera
be visible to the subject, for example, because it is fitted with a long-focus lens and located beyond the view of the subject, or because it is obscured
Hidden_camera
Angle between converging or diverging light rays
radii of curvature of the wavefronts. A convex lens or concave mirror will cause parallel rays to focus, converging toward a point. Beyond that focal point
Vergence_(optics)
Canon SLR EF mount prime lens
600mm f/4.0 and the 1200 mm f/5.6 USM lens from Canon and these 4 lenses shared the same focus motor. The lens was used in the SuperWASP extrasolar planet
Canon_EF_200mm_lens
Deviation from perfect paraxial optical behavior
as a lens aberration, since it can be corrected by moving the lens (or the image plane) to bring the image plane to the optical focus of the lens. In addition
Optical_aberration
Measure of lens speed
measure of the light-gathering ability of an optical system such as a camera lens. It is defined as the ratio of the system's focal length to the diameter
F-number
1982 35mm single-lens reflex camera
Nikon FM2 is an advanced semi-professional, interchangeable lens, 35 mm film, single-lens reflex (SLR) camera. It was manufactured by Nippon Kogaku K
Nikon_FM2
Digital single lens reflex camera
software). Some lenses have separate IR focus index marks, which help, but few if any have UV marks. True ultraviolet photographic lenses are generally
FinePix_IS_Pro
Camera lens
70–200mm lenses are a group of telephoto zoom full-frame lenses made by Canon. The lenses have an RF mount to work with the R line of cameras. The lens comes
Canon_RF_70–200mm_lens
1959 35mm single-lens reflex camera
and focusing screens; the camera had a depth-of-field preview button; the mirror had lock-up capability; it had a large bayonet mount and a large lens release
Nikon_F
Compact composite lens
A Fresnel lens (/ˈfreɪnɛl, -nəl/ FRAY-nel, -nəl; /ˈfrɛnɛl, -əl/ FREN-el, -əl; or /freɪˈnɛl/ fray-NEL) is a type of composite compact lens which reduces
Fresnel_lens
Medium format film camera
has a critical focus knob. There are a wide variety of lenses available for the RZ67: Four wide-angle lenses: 43 mm f/4.5. prototype lens. ULD glass, floating
Mamiya_RZ67
Lenses placed on the eye's surface
Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used by over
Contact_lens
Cardboard or plastic box with a lens
often single element designs meniscus fixed focus lens, or in better quality box cameras a doublet lens with minimal (if any) possible adjustments to
Box_camera
Lens or mirror in optical instruments
object being observed and focuses the light rays from it to produce a real image of the object. Objectives can be a single lens or mirror, or combinations
Objective_(optics)
Rangefinder 35mm camera (1933–1960)
a 50mm lens; use of shorter or longer lenses requires installing an alternate viewfinder on the accessory socket. With a 28mm wide-angle lens and optional
Leica_III
Camera model
the lens is in focus. This is a similar mechanism to that used in compact digital cameras. When a manual focus lens is used, the camera provides focus assistance
Canon_T80
Photographic lenses sold under the Pentax brand
Pentax lenses are designed for interchangeable-lens cameras using 120 film and 135 film sizes; they are manufactured and sold by Asahi Optical Company
Pentax_lenses
German optics company
manual-focus lenses for multiple SLR lens mounts under the ZE, ZF, ZK, and ZS lines, manufactured in Japan by Cosina to Zeiss specifications. ZE lenses fit
Zeiss_(company)
35mm SLR camera
shutter mechanism. Konica offered interchangeable lenses with focus from 15 mm up to 2,000 mm. All lenses by Konica are named Hexanon. They have a good quality
Konica_FP-1
35 mm rangefinder camera
accepts lenses designed for the "Bayonet Konica KM-mount" a copy of the Leica M-mount. Because of this, the Hexar RF can mount and focus lenses designed
Konica_Hexar_RF
Telephoto zoom lens made by Nikon
D40), although the more recent AF-P lenses will not focus on film SLRs or older DSLRs (roughly before 2013). The lens comes in seven different versions:
Nikon_F_70-300mm_lens
1988 35mm single-lens reflex camera
manual focus (MF) or AF lenses from 1959 to the present day, including the two F3AF lenses (in Autofocus mode). The F4 succeeded the F3, a manual focus camera
Nikon_F4
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LONG FOCUS-LENS
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LONG FOCUS-LENS
LONG FOCUS-LENS
LONG FOCUS-LENS
LONG FOCUS-LENS
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