Technology Guide
Page 1
BINOCULARS TECHNOLOGY GUIDE 15X50 IS ALL WEATHER 12X36 IS 18X50 IS ALL WEATHER 10X30 IS
BINOCULARS TECHNOLOGY GUIDE 15X50 IS ALL WEATHER 12X36 IS 18X50 IS ALL WEATHER 10X30 IS
Technology Guide
Page 3
...was adjusted correctly. To prevent this, use the eyepiece barrels). Eye Spacing/Diopter Adustment/ Rubber Eyepieces How to Use the Binoculars 1) Look through the binoculars with both views merge into one circle. The instrument is different for the spacing of the eye cups. 3 Another person ...would have to adjust the binoculars after someone else has used them for each time you look through the binoculars while wearing eyeglasses, your own eyes (with the IS series, use the foldaway rubber eyepiece ...
...was adjusted correctly. To prevent this, use the eyepiece barrels). Eye Spacing/Diopter Adustment/ Rubber Eyepieces How to Use the Binoculars 1) Look through the binoculars with both views merge into one circle. The instrument is different for the spacing of the eye cups. 3 Another person ...would have to adjust the binoculars after someone else has used them for each time you look through the binoculars while wearing eyeglasses, your own eyes (with the IS series, use the foldaway rubber eyepiece ...
Technology Guide
Page 4
...which makes it possible to correct the images. Because concave lenses are used to "correct" the inverted image. 1) Porro Prisms (Fig. 1) Because of binoculars manufactured and sold today use convex lenses for looking at objects not too far away. 4 Eyepiece lens Porro prisms (Fig. 1) Objective lens Eyepiece lens ... (Fig. 3) Objective lens Also known as opera glasses, this type is used for both the objective lens and eyepiece lens. The first binoculars were invented about 400 years ago. Q1 What Types of seeing a magnified image with your own eyes has not changed, there are not ...
...which makes it possible to correct the images. Because concave lenses are used to "correct" the inverted image. 1) Porro Prisms (Fig. 1) Because of binoculars manufactured and sold today use convex lenses for looking at objects not too far away. 4 Eyepiece lens Porro prisms (Fig. 1) Objective lens Eyepiece lens ... (Fig. 3) Objective lens Also known as opera glasses, this type is used for both the objective lens and eyepiece lens. The first binoculars were invented about 400 years ago. Q1 What Types of seeing a magnified image with your own eyes has not changed, there are not ...
Technology Guide
Page 5
It's very simple. Basically binoculars are made up of binoculars. You will be magnified. Tested with the EF 300 mm f/4L and EF 24 mm f/2.8, the outcome was pretty obvious. 5 Without shifting the optical axis, ... focus by side and you have a pair of the objective lenses for long focal points, and the eyepiece lens, for short focal points. Prism Binoculars/Galileo Binoculars/ Porro Prisms/Roof Prisms Q2 Why Are the Images Magnified? Put two of these side by adjusting the distance between the two lenses. This is...
It's very simple. Basically binoculars are made up of binoculars. You will be magnified. Tested with the EF 300 mm f/4L and EF 24 mm f/2.8, the outcome was pretty obvious. 5 Without shifting the optical axis, ... focus by side and you have a pair of the objective lenses for long focal points, and the eyepiece lens, for short focal points. Prism Binoculars/Galileo Binoculars/ Porro Prisms/Roof Prisms Q2 Why Are the Images Magnified? Put two of these side by adjusting the distance between the two lenses. This is...
Technology Guide
Page 6
...eye. Magnification and focal length A 1,000 mm telephoto lens for a camera will look 10 meters away through the binoculars. To get the same enlarged image using a 35 mm Single lens reflex camera, you have 12x magnification binoculars. Magnification refers to use a 700~800 mm telephoto lens. 6 In other words, ... image for the relatively smaller iris of the human eye. With a 10x magnification binoculars, a car 100 meters away will be wide enough to binoculars, in that an object is that, while a telephoto lens must be enlarged 10 times. For example, if a pair of the size as if it were...
...eye. Magnification and focal length A 1,000 mm telephoto lens for a camera will look 10 meters away through the binoculars. To get the same enlarged image using a 35 mm Single lens reflex camera, you have 12x magnification binoculars. Magnification refers to use a 700~800 mm telephoto lens. 6 In other words, ... image for the relatively smaller iris of the human eye. With a 10x magnification binoculars, a car 100 meters away will be wide enough to binoculars, in that an object is that, while a telephoto lens must be enlarged 10 times. For example, if a pair of the size as if it were...
Technology Guide
Page 7
...use . The only way to look through a good pair of image shake. No matter how superior the binoculars may be able to increase, up to achieve ideal resolving power, Canon has used its superior optical technologies gained in crisp and clear. The larger the magnification ratio, the more ...increase it . When there is too much aberration, there is increased, you will be able to read text past a certain distance, but with Canon's binoculars, each feather on the instrument. With the naked eye, you will not be able to read it is called their resolving power. A sharper image...
...use . The only way to look through a good pair of image shake. No matter how superior the binoculars may be able to increase, up to achieve ideal resolving power, Canon has used its superior optical technologies gained in crisp and clear. The larger the magnification ratio, the more ...increase it . When there is too much aberration, there is increased, you will be able to read text past a certain distance, but with Canon's binoculars, each feather on the instrument. With the naked eye, you will not be able to read it is called their resolving power. A sharper image...
Technology Guide
Page 8
...;, it is called the field of view. It is the same, how much view the pair of binoculars can see looking through 10x/5˚ binoculars at a subject 1,000 meters away 100 m10e0tme(rs1(01000/100/)10) 1.010000 0mmeters c Field of view at 87 meters: b Apparent field of view: 50˚ ...a Real field of view will differ. The optical structure of each model of binoculars is different, so even ...
...;, it is called the field of view. It is the same, how much view the pair of binoculars can see looking through 10x/5˚ binoculars at a subject 1,000 meters away 100 m10e0tme(rs1(01000/100/)10) 1.010000 0mmeters c Field of view at 87 meters: b Apparent field of view: 50˚ ...a Real field of view will differ. The optical structure of each model of binoculars is different, so even ...
Technology Guide
Page 9
... Field of View/Field of View at 1.000 meters Wide field of view Narrow field of view Field of view and image circle Film for binoculars is usually everything inside the perimeter of the image circle. However, the field of view is larger than the film, and the part of the...
... Field of View/Field of View at 1.000 meters Wide field of view Narrow field of view Field of view and image circle Film for binoculars is usually everything inside the perimeter of the image circle. However, the field of view is larger than the film, and the part of the...
Technology Guide
Page 10
...7 mm (Fig. 7-b), so it is expressed by the square of the aperture of Objective Lens Magnification 10 At night, our pupils dilate to about 2-3 mm at night. This is that such binoculars tend to another. Brightness varies with large exit pupils if they will be used at most (Fig. 7-a)...lens, the brighter image seen through is called the exit pupil. If the magnification is the same, the larger the available aperture of binoculars to be about 10 inches away from the eyes is called pupil aperture. Brightness varies from one 's needs. 1) Exit pupil The bright circle visible when...
...7 mm (Fig. 7-b), so it is expressed by the square of the aperture of Objective Lens Magnification 10 At night, our pupils dilate to about 2-3 mm at night. This is that such binoculars tend to another. Brightness varies with large exit pupils if they will be used at most (Fig. 7-a)...lens, the brighter image seen through is called the exit pupil. If the magnification is the same, the larger the available aperture of binoculars to be about 10 inches away from the eyes is called pupil aperture. Brightness varies from one 's needs. 1) Exit pupil The bright circle visible when...
Technology Guide
Page 11
...brightness were cut in half. This is limited to prevent the incident light from a distance at night, you compare the brightest binoculars for its efficacy with Canon's EF lenses. on the left looks white because light is very large, and with the same exit pupil, the brightness ... the magnification (resolving power), the more detail. Brightness and Lens Reflection Even with binoculars with experience, will provide more detail the eyes will be able to ensure Left: lens not coated. Canon also coats the prisms as well to distinguish between the colors. The amount of gradation...
...brightness were cut in half. This is limited to prevent the incident light from a distance at night, you compare the brightest binoculars for its efficacy with Canon's EF lenses. on the left looks white because light is very large, and with the same exit pupil, the brightness ... the magnification (resolving power), the more detail. Brightness and Lens Reflection Even with binoculars with experience, will provide more detail the eyes will be able to ensure Left: lens not coated. Canon also coats the prisms as well to distinguish between the colors. The amount of gradation...
Technology Guide
Page 12
... tell the difference. 12 It is very hard to know how clear the image is by looking through several, and you are looking through the binoculars. Please keep the following points in Image Quality? Make sure that there isn't much difference from looking through only one image or two? It ...may become very tired and even sick. Try looking with just a slight jolt. Q7 How Can I Tell the Difference in mind when purchasing binoculars. 1) Do you purchase a pair with a wide field of view, and the image quality is superior (enough that the lettering on a sign or the thin ...
... tell the difference. 12 It is very hard to know how clear the image is by looking through several, and you are looking through the binoculars. Please keep the following points in Image Quality? Make sure that there isn't much difference from looking through only one image or two? It ...may become very tired and even sick. Try looking with just a slight jolt. Q7 How Can I Tell the Difference in mind when purchasing binoculars. 1) Do you purchase a pair with a wide field of view, and the image quality is superior (enough that the lettering on a sign or the thin ...
Technology Guide
Page 14
...appears. It is large, the edges will seem as though the colors are cases where the binoculars were "forced" to have beautiful image quality all round (photo e). Canon uses high-precision aspherical lenses to correct the distortion. 14 There are times when the perpendicular...image quality usually decreases, and occurs with binoculars with larger apertures and higher magnification (photo b). If the curvature of the lens to decrease. With Canon binoculars, you move the binoculars, it will be blurred. Also, because of the field, Canon uses a field-flattener lens and an ...
...appears. It is large, the edges will seem as though the colors are cases where the binoculars were "forced" to have beautiful image quality all round (photo e). Canon uses high-precision aspherical lenses to correct the distortion. 14 There are times when the perpendicular...image quality usually decreases, and occurs with binoculars with larger apertures and higher magnification (photo b). If the curvature of the lens to decrease. With Canon binoculars, you move the binoculars, it will be blurred. Also, because of the field, Canon uses a field-flattener lens and an ...
Technology Guide
Page 16
Q8 What Makes Canon's IS series so Unique? Almost everybody who has ever used while viewing from a moving car or train! The main complaint of 7x or 8x magnification. Even if you feel that the binoculars are useless. And they can 't be something of users has been image ... sporting events or concerts has experienced how much the images shake, and you need a pair of binoculars of over 10x magnification for IS series. Canon is eliminated (Fig. 8). Vari-Angle Prisms Without shake. However, tripods are controlled by a microprocessor, hand shake is the world's first maker...
Q8 What Makes Canon's IS series so Unique? Almost everybody who has ever used while viewing from a moving car or train! The main complaint of 7x or 8x magnification. Even if you feel that the binoculars are useless. And they can 't be something of users has been image ... sporting events or concerts has experienced how much the images shake, and you need a pair of binoculars of over 10x magnification for IS series. Canon is eliminated (Fig. 8). Vari-Angle Prisms Without shake. However, tripods are controlled by a microprocessor, hand shake is the world's first maker...
Technology Guide
Page 18
The image quality around the edges is Canon's exclusive optical design with unrivaled sharpness. If binoculars with superior image quality overall. Wide field of view, with inferior image quality are normally reserved for an extended period of time, the user will ... WEATHER, 18x50 IS ALL WEATHER), with two field-flattener lenses, lenses which are used for high-grade binoculars. The IS series use the world's first doublet field-flattener lens (Fig. 9). By using two lenses, Canon has achieved a wide field of view of the e(yFeigl.e6n)s 76mm (Fig. 6) You can enjoy the power...
The image quality around the edges is Canon's exclusive optical design with unrivaled sharpness. If binoculars with superior image quality overall. Wide field of view, with inferior image quality are normally reserved for an extended period of time, the user will ... WEATHER, 18x50 IS ALL WEATHER), with two field-flattener lenses, lenses which are used for high-grade binoculars. The IS series use the world's first doublet field-flattener lens (Fig. 9). By using two lenses, Canon has achieved a wide field of view of the e(yFeigl.e6n)s 76mm (Fig. 6) You can enjoy the power...
Technology Guide
Page 19
... a tripod would like to hold, because it is water resistant, you . The ALL WEATHER type is cut down considerably. There are plenty of binoculars. rain or shine. 19 Also, when you are built for ALL WEATHER action. For that suits them for outdoor use, even in the heaviest rain..., because you are designed with a pair of times when you had no choice but to you can still use . And what's more magnification the binoculars have, the longer the focusing distance. One problem you would weigh a couple of pounds, the burden is suitable for ALL WEATHER conditions - Even if...
... a tripod would like to hold, because it is water resistant, you . The ALL WEATHER type is cut down considerably. There are plenty of binoculars. rain or shine. 19 Also, when you are built for ALL WEATHER action. For that suits them for outdoor use, even in the heaviest rain..., because you are designed with a pair of times when you had no choice but to you can still use . And what's more magnification the binoculars have, the longer the focusing distance. One problem you would weigh a couple of pounds, the burden is suitable for ALL WEATHER conditions - Even if...
Technology Guide
Page 20
...when panning. Various types and characteristics of image stabilization technology Presently, there are three makers, including Canon, selling binoculars with the Cardanic Suspension system, which prevents the prisms from moving no matter how much the binoculars are shaken, the image will remain stable. Advantages: • Compact, light. • ... left and right telescopes are controlled by a microprocessor to distinguish between shake and panning; The two Vari-Angle Prisms in Canon's IS Binoculars. Advantage: • Extremely resistant to heavy shaking or movement.
...when panning. Various types and characteristics of image stabilization technology Presently, there are three makers, including Canon, selling binoculars with the Cardanic Suspension system, which prevents the prisms from moving no matter how much the binoculars are shaken, the image will remain stable. Advantages: • Compact, light. • ... left and right telescopes are controlled by a microprocessor to distinguish between shake and panning; The two Vari-Angle Prisms in Canon's IS Binoculars. Advantage: • Extremely resistant to heavy shaking or movement.
Technology Guide
Page 21
INDEX Apparent Field of View 8 Available Aperture of Objective Lens 10 Chromatic Aberration 14 Closest Focusing Distance 19 Curvature of the Field 14 Diopter Adjustment 3 Distortion 14 Doublet Field-Flattener Lens 18 Exit Pupil 10 Eye Spacing 3 Field-Flattener Lens 18 Field of View 8 Field of View at 1.000 meters 8 Galileo Binoculars 4 Image Stabilizer 16 Magnification 6 Porro Prisms 4 Prism Binoculars 4 Resolving Power 7 Roof Prisms 4 Rubber Eyepieces 3 Real Field of View 8 Twilight Coefficient 11 Variable-Angle Prism 16 21
INDEX Apparent Field of View 8 Available Aperture of Objective Lens 10 Chromatic Aberration 14 Closest Focusing Distance 19 Curvature of the Field 14 Diopter Adjustment 3 Distortion 14 Doublet Field-Flattener Lens 18 Exit Pupil 10 Eye Spacing 3 Field-Flattener Lens 18 Field of View 8 Field of View at 1.000 meters 8 Galileo Binoculars 4 Image Stabilizer 16 Magnification 6 Porro Prisms 4 Prism Binoculars 4 Resolving Power 7 Roof Prisms 4 Rubber Eyepieces 3 Real Field of View 8 Twilight Coefficient 11 Variable-Angle Prism 16 21
Technology Guide
Page 22
... IS All Weather 18 50 3.7 67.0 (wide) 65 2.8 15.0 (long eye relief) 6 152x193x81 1200 • • (double) • all weather (usable in light rain) 10x301S 10 30 6.0 60.0 105 3.0 14.5 4.2 127x70x150 600 • • (double) - 8x32WP 8 32 7.5 60.0 131 4.0 18.0 (long eye relie 6 54.5x136x145 730 • (single) ...clearly seen. With the 8x32WP, even a star of the ninth magnitude can see the details of the pencil strokes of sketches or texture of binoculars, you'll feel as if you 'll be able to watch a parade during your favorite athlete play on a large playing field or ...
... IS All Weather 18 50 3.7 67.0 (wide) 65 2.8 15.0 (long eye relief) 6 152x193x81 1200 • • (double) • all weather (usable in light rain) 10x301S 10 30 6.0 60.0 105 3.0 14.5 4.2 127x70x150 600 • • (double) - 8x32WP 8 32 7.5 60.0 131 4.0 18.0 (long eye relie 6 54.5x136x145 730 • (single) ...clearly seen. With the 8x32WP, even a star of the ninth magnitude can see the details of the pencil strokes of sketches or texture of binoculars, you'll feel as if you 'll be able to watch a parade during your favorite athlete play on a large playing field or ...
Technology Guide
Page 23
... aspherical lens. •The dimensions apply when the binoculars are waterproof 1 meter underwater for 5 minutes. For nature lovers, the waterproof-type 8x32WP or 8x23AWP are recommended. waterproof 8x23A 8 23 6.4 51.2 114 2.9 11.0 3 104x100x48 250 • - 10x25A 10 25 5.2 51.0 105 2.5 11.0 3 44x66x107 ...tension in the model designation is best. They are composed only of waves. All Canon Binoculars are perfect for creasts of environment friendly lead- Take waterproof binoculars when fishing. 8x23AWP 8 23 6.4 51.2 114 2.9 ef) 11.0 3 123x106x60 400 - - •...
... aspherical lens. •The dimensions apply when the binoculars are waterproof 1 meter underwater for 5 minutes. For nature lovers, the waterproof-type 8x32WP or 8x23AWP are recommended. waterproof 8x23A 8 23 6.4 51.2 114 2.9 11.0 3 104x100x48 250 • - 10x25A 10 25 5.2 51.0 105 2.5 11.0 3 44x66x107 ...tension in the model designation is best. They are composed only of waves. All Canon Binoculars are perfect for creasts of environment friendly lead- Take waterproof binoculars when fishing. 8x23AWP 8 23 6.4 51.2 114 2.9 ef) 11.0 3 123x106x60 400 - - •...