How do you set the aperture and shutter speed independently
I am in manual mode and done everything the manual says to control exposure but the values change automatically based on the focus, the ael function locks the exposure and shutter speed but does not allow individual manipulation, how do you control shutter speed and exposure individually?
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Re: how do you set the aperture and shutter speed...
First, make sure you're in the manual exposure mode, not manual focus mode, as set by turning the mode dial to the "M" position. In manual exposure mode, turning the main command dial should change the aperture, while turning the subcommand dial should change the shutter speed. If the two command dials don't have the expected effect, reply to this post and we can troubleshoot further.
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You have to hold down the exposure compensation button at the same time as turning the control dial.
The values appear on the control panel screen.
I found this on page 33 of the manual...
Set the mode dial to M and turn the control dial to set the value.
• To set the shutter speed: Turn the control dial.
To set the aperture value:Turn the control dial while holding down the
[+-](exposure compensation) button.
The exposure level indicator appears on the control panel screen, showing the difference (ranging from -3 EV to +3 EV) between the exposure value calculated by the currently selected aperture
and shutter speed compared to the exposure value considered optimum by the camera.
The aperture is the opening in the lens through which light passes to the image sensor. Changing the aperture setting allows you to control the depth of fieldof a photograph. When the aperture is opened to a widersetting, (indicated by a lower f-stop number) more light is passed to the imagesensor, creating more shallow depth of field. Closing the aperture (indicatedby a higher f-stop number) allows less light to pass to the image sensor,creating wider depth of field. NOTE:The aperture setting is one of three primary settings usedto control the overall exposure of a photograph. The other two primary settingsare ISO and shutter speed. Because the three settingswork together to produce the overall exposure for a photograph, changingthe aperture setting will require complimentary changes to either the ISO or shutter speed to produce a properly exposed photograph. These changes will bemade automatically by the camera in the Auto, Program, Aperture-priority andShutter-priority modes. There are two ways tocontrol the aperture setting on the camera:
Aperture-priority mode (A)- When shooting in Aperture priority mode (A), you set the aperture value and the camera automatically sets the optimum shutter speed for you.
Manual mode (M)- When shooting in Manual mode (M), you control both aperture and shutter speed, which gives you maximum creative control to achieve the exact results you want.
If you want the camera to set the shutter speed for proper exposure, turn the mode dial to the A position for Aperture Priority. Press the +/- button to display the shutter speed and aperture. Press cursor-up/down to change the aperture and the camera will change the shutter speed to give the proper exposure.
If you want to set the shutter speed and aperture yourself, turn the mode dial to M for Manual. Press the +/- button. Press cursor-up/down to set the shutter speed, cursor-left/right to set the aperture.
Full details are in the Shooting Mode section of the manual.
The N2000 has Program, Program Hi, Aperture-priority, and Manual exposure modes, with exposure lock and exposure compensation capabilities. It can TTL auto and manual with flash. The meter is full-aperture and center-weighted. The Program mode sets both the shutter speed and aperture for optimum exposure. You can adjust the exposure if you want to emphasize shutter speed or aperture. The Program Hi mode tries to set a higher shutter speed for action and/or long lenses. You can download a copy of the manual here if you want to know more about this camera.
If your camera is a Rebel XS you should have a dial on the top right with a series of letters and icons. To set your camera so you manually control the shutter speed turn this dial too "TV" (Time Value). This setting will allow you to select the shutter speed and the aperture will open or close to achieve the correct exposure. The "M" is (Manual) where you would select both the shutter speed and aperture "AV" is (Aperture Value) where the user selects the aperture they want and the shutter speed increases or decreases to obtain a proper exposure. The "P" (Program) mode allows the camera to automatically select the shutter speed and aperture
To set the shutter speed, press and hold the mode button and then turn the thumb wheel on the right until M (for fully manual control) or S (for shutter priority auto exposure) appears in the display. Remove your finger from the mode button and the thumb wheel will now adjust just the shutter speed. If you're in manual mode the aperture setting will need a separate adjustment for correct exposure, if you're in shutter priority mode the camera will select the aperture suited to your shutter speed for each exposure.
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OM-20 was basically a upgraded OM-10 with the manual adapter built in and a number of other refinements.
The viewfinder has LED's to show the shutter speed recommended by the camera's lightmeter for the ISO and aperture selected. It also has an exposure compensation indicator (the +/- symbol) and an indicator for flash ready which doubles up as a post-exposure flash confirmation. There is also the indicator lamp to show manual mode has been selected. OM-10 lacks the manual mode lamp and the +/- indicator.
Like the OM-10, the OM-20 is primarily an aperture priority automatic camera. In this mode you set the ISO film speed, choose which aperture you wish to use (with the ability to use the lens depth of field preview button) and then the camera selects the correct shutter speed. The +/- exposure compensation control allows the user to tell the camera to modify the recommended shutter speed by up to two stops either way.
In manual mode, there is no manual metering. The light meter behaves exactly as it does in aperture priority mode and the viewfinder shows the recommended shutter speed and not the manually selected one. Correct metering is therefore a case of adjusting the aperture first, and then choosing the correct shutter speed indicated in the viewfinder. If the user then decides to select a different shutter speed, then the aperture ring must be adjusted to maintain the correct exposure. For example the aperture is set to f8 and the camera recommends 1/60th of a second. The user decides that a faster shutter speed is required and chooses 1/250th, but the viewfinder remains showing 1/60th. In order to keep the same exposure value the user must open the aperture by two full stops to f4. The camera's light meter will detect the new aperture setting and providing the light on the object is unchanged the viewfinder shutter speed display should now show 1/250th as well to confirm the correct adjustment. Alternatively, the user can choose the shutter speed first by looking at what has been set on the control ring (or by turning the ring to the end of its travel and then counting the clicks from there as all experienced OM users do) and then turning the aperture ring until the shutter speed shown in the viewfinder matches what's been manually set.
It all sounds clumsy and complex but is done far more quickly than I've taken to type this and becomes second nature.
Aperture priority metering is selected on the camera by choosing AUTO on the mode selecter. In this mode the shutter speed ring has no effect and the viewfinder always displays the automatically selected shutter speed.
s I understand it from what I have seen on the Web, the 3000Z can operate in several modes:
1. Fully automatic (camera select both
2. Manual (user sets both aperture and shutter speed).
3. Aperture Priority mode - user sets aperture and camera chooses correct shutter speed to get a good exposure
Apparently there is no Shutter Priority mode (user cannot set only the shutter er speed and allow the camera to set the aperature to get a good exposure). This option is available on the Epson 850Z camera and this seems like a silly ommision to make on a "high-end" camera like the 3000Z.
Auto Picture-selects on of the picture mode such as landscape(mountain), macro(flower), sport/action(running man) mode, etc.
P-sets shutter and aperture. You set everything else.
happy face- sets shutter, aperture and everything else.