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Canon EOS-1, Руководство по настройкам

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14

AI Servo AF

AI Servo Tracking Sensitivity 2

C.Fn III-2

Important C.Fn

Take advantage of slow sensitivity 

for intermittently appearing subjects

Use at swimming events or event where the subject disappears and appears

 When tracking sensitivity is set to slow (option -2) the length of time 
that objects entering the AF point are viewed as obstructions will be  
longer than when set to the intermediate slow option (-1). So, when 
the time a subject is hidden behind an obstruction is brief (long 
means about "0.X" sec.), this setting can be highly effective.
 For example, when shooting events like breast stroke and butterfly in 
swimming, with repetitive patterns such as the swimmer going in and 
out of the water at regular intervals, the slow option (-2) setting can 
often be effective.
 Depending on how long the subject is hidden, it will be best to 
distinguish between the intermediate slow option (-1) when the time 
hidden is shorter, and slow option (-2), when it is slightly longer.

When shooting skiing  sports like 
slalom where the skiers are often 
hidden behind flags, sensitivity set to 
option -2: slow, can improve the hit 
rate.

EF300mm f/2.8L IS USM  1/3200 sec. 
f/4  ISO100

Содержание EOS-1

Страница 1: ...AI Servo AF Custom Function ISO Speed Settings Guide...

Страница 2: ...ccurately on fast moving subjects by selecting an appropriate Custom Function This guide describes the features of these key Custom Functions and how to select and use the most appropriate settings A...

Страница 3: ...king Method Continuously Follow One Subject with Main Focus Point Priority 24 C Fn III 3 AI Servo 1st 2nd Image Priority Determine the Relationship between AF Operation and Shutter Release During Cont...

Страница 4: ...probability and precision of focusing However when the settings are not appropriate the probability and precision of focusing may actually be reduced AI Servo AF on the EOS 1D Mark IV uses a new AF al...

Страница 5: ...nsistently capture subjects that move extremely quickly C Fn III 8 AF expansion and C Fn III 4 AI Servo AF tracking method Option 1 Continuous AF track priority will be effective Refer to the descript...

Страница 6: ...tton Registration of AF points can be carried out during normal shooting conditions by manually selecting the AF point then while pressing the AF point selection button press the ISO button to registe...

Страница 7: ...skater on the right hand side while shooting with a manually selected AF point on the left hand side this photo was shot by switching to a registered AF point on the right This feature is effective fo...

Страница 8: ...and forth between horizontal and vertical positions the preset points will automatically switch according to the orientation By using this it is possible to shoot in rapid succession without button o...

Страница 9: ...n automatically switched to the AF point at the top right of the screen By using AF point selection for each orientation this kind of shooting is possible EF300mm f 2 8L IS USM 1 1600 sec f 2 8 ISO320...

Страница 10: ...ine sensor the probability of focusing on a net in the foreground or on the edge of the helmet is higher this will make it possible to focus on the AI Servo AF Custom Function C Fn III 6 7 Spot AF Not...

Страница 11: ...letely defocused state may be slower Lens AF stop button on large diameter single focal length telephoto and super telephoto lenses Spot AF can be activated on super telephoto L type IS lenses by pres...

Страница 12: ...and AF point will shift So for fast moving subjects where there is a chance of the AF point moving away in a short time and sports with lots of close play players that are not the primary point of foc...

Страница 13: ...00 For illustration all AF points are shown at once Regardless of the fast or slow sensitivity options AF speed from the time the AF drive starts to the first focus is always optimized for maximum spe...

Страница 14: ...s brief long means about 0 X sec this setting can be highly effective For example when shooting events like breast stroke and butterfly in swimming with repetitive patterns such as the swimmer going i...

Страница 15: ...tion all AF points are shown at once Competitive swimming s breast stroke and butterfly can be highlighted as typical examples of sports where the athlete disappears and reappears at regular intervals...

Страница 16: ...lected AF point expanded by 1 assist AF point all around is effective For example when the center AF point is selected a total of 6 points upper diagonal left and right same row left and right and low...

Страница 17: ...sed The blue assist AF points are for illustrative purpose only and they do not actually light up in blue For sporting events that include dynamic up and down movement tracking the athletes with one A...

Страница 18: ...ght of the selected AF point with area expansion is recommended You will want to use this setting with subjects having mainly horizontal movement however when held vertically it will be up down Assist...

Страница 19: ...blue assist AF points are for illustrative purposes only and they do not actually light up in blue Option 1 Expanding 1 point on left and right is effective for sports like tennis characterized by ac...

Страница 20: ...another subject comes into the foreground it will be treated as an obstruction by the manually selected AF point the center of the area expansion Results of focusing are used to detect the position of...

Страница 21: ...illustrative purposes only and they do not actually light up in blue In cases where an obstruction cuts into the foreground and the AF tracking method is set to option 0 Main focus point priority focu...

Страница 22: ...rity setting With the Main focus point priority option selected when a subject other than the primary subject moves into the area of the manually selected AF point usually in the center of the expande...

Страница 23: ...posed The blue assist AF points are for illustrative purposes only and they do not actually light up in blue When you want to switch the focus and photograph the athlete that has come to the front wit...

Страница 24: ...cific time is maintained for carrying out focusing Focusing on the subject has priority a specific time is maintained for carrying out focusing Rather than focus tracking of the subject continuous sho...

Страница 25: ...en the photographer controls shutter release timing for the first frame If Tracking Priority is selected for subsequent frames during continuous shooting the camera will control shutter release timing...

Страница 26: ...ered the foreground Disregard Other than the reaction time to when a subject comes into the foreground for both options 0 and 1 the AF tracking method will be set according to the option for tracking...

Страница 27: ...stest response is used first even if it is not the manually selected focusing point Focusing control reverts to the manually selected focusing point as soon as possible if the movement of the subject...

Страница 28: ...computation When the AI Servo AF is not in operation a photo of a moving subject is taken by suddenly pressing the shutter button fully The first image may not be focused in some cases When the shutte...

Страница 29: ...anticipated subject movement then carries out focusing based on a prediction of the subject s location at the instant the shutter is released Prediction is an important point when using this function...

Страница 30: ...background EF400mm f 2 8L IS USM 1 2500 sec f 4 ISO800 Shoot with a manually selected single AF point A case of the focus shifting to the background It is difficult to track an extremely fast subject...

Страница 31: ...oses only and they do not actually light up in blue When using AI Servo AF for continuous shooting of moving subjects one of the most common issues is the focus shifting to the background instead of t...

Страница 32: ...ity A case of the focus shifting to obstructions in the foreground When an obstruction appears in the foreground with C Fn III 4 0 the camera will focus on the obstruction because it is under the acti...

Страница 33: ...ng subjects with AI Servo AF is when focus shifts to obstructions in the foreground The AF function basically operates to focus as quickly as possible on subjects that the AF point is covering meaning...

Страница 34: ...ds EF200mm f 2L IS USM 1 500 sec f 4 ISO3200 Viewed at 100 on a computer screen you can see it is slightly blurred When viewed initially there is very little cause for concern however when viewed at 1...

Страница 35: ...ment If it is camera shake or subject movement an effective countermeasure is to use a faster shutter speed Up to now if you thought increasing the shutter speed by one stop was sufficient to eliminat...

Страница 36: ...quality even at high ISO speeds From ISO100 ISO12800 it is possible to set the EV value of the ISO speed from 7 stops up to the desired ISO speed level EF24 105mm f 4L IS USM f 8 ISO100 ISO1600 ISO200...

Страница 37: ...level Nothing needs to be said about the great image quality of ISO100 800 which has been used often up to now In particular we would like you to refer to the image quality of ISO3200 and ISO6400 whic...

Страница 38: ...38 ISO speed settings ISO25600 H1 102400 H3 image quality In situations with almost no lighting ISO 102400 can make the difference between getting the shot or not ISO25600...

Страница 39: ...se these ultra high ISO speeds are outside of the normal range and there are some compromises in image quality There is a significant amount of noise and for some photographers the gradations are not...

Страница 40: ...e to Strong Set C Fn II 2 High ISO speed noise reduction to option 0 Standard 1 Low 2 Strong 3 Disable and confirm the changes in image quality With High ISO speed reduction set from Disable to Standa...

Страница 41: ...ion setting is set to a default setting option 0 of Standard In order to get an idea of the noise reduction function effects you should compare photos taken with ISO speeds of ISO1600 or higher by cha...

Страница 42: ...utter speed In the ISO speed settings turn the dial from ISO100 default setting to the left to display A and set ISO Auto Shooting with manual exposure using the Auto ISO setting The exposure mode is...

Страница 43: ...are set and then shooting is carried out Shooting begins in a bright location and as the camera is directed toward a darker location shooting takes place with the ISO speed increasing automatically Th...

Страница 44: ...ise appearance at the actual printing size magnification Actual size sample of printing at A4 size two page full sized 420 x 297 mm 297 mm 420 mm 420 mm 297 mm Actual size sample of printing at approx...

Страница 45: ...ming an image is magnified at 100 display on a monitor compared to the actual print size used Here we have placed high ISO speed images from an EOS 1D Mark IV shown at the magnification of two popular...

Страница 46: ...O speeds ISO50 as ISO expansion To use low ISO speed ISO50 it is necessary to register the minimum low ISO speed setting L with Custom Function C Fn I 3 the same as with the high ISO speed options Wit...

Страница 47: ...trast While continuously shooting moving subjects it is difficult to instantly switch the AF point to the desired location As introduced on pp 8 11 the registered AF point function is one useful funct...

Страница 48: ...http cpn canon europe com www canon co uk eospro network...

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