Rainbow Silo

almost DSLR

Version 1.10.2 Manual

Touch focus may not work with some devices. (The camera used in iPad and iPod 4 do not support this function.)

* Try single tapping the screen to set focus.
* Single tap and move around finger to change focus point.
* Try double tapping the screen to set exposure.
* Double tap and move around finger to change exposure point.
* Try triple tapping the screen to reset focus and exposure.
* White balance can be locked/unlocked using the “WB” button on HUD.

A. Main Screen

1. Camera Toggle : toggles between front and back cameras. Disabled if there is only one camera.

2. Video gravity : changes size ratio of the screen (aspect fit/fill/stretch). It only changes the preview size and does not affect the output file.

3. Self Timer : countdown time available from 0, 3, 5, and 9 seconds.  When time is 0, it takes a picture instantly.  Otherwise, it takes a picture after the countdown is over.  This only works with still image capturing.

4. Anti-Shake : waits until the device is idle and takes a picture then.  For iOS version greater than or equal to 6.0, it works for the movies as well.

5. HUD (Head-up display) : shows/hides transparent information views. Camera can still be used even if the information views are on the screen. They will not be shown on the pictures and in the movies.

6. Settings : shows the settings page.

7. Review : opens camera roll to view saved photos and movies.

8. Still shot : takes a picture.

9. Record : records/stops recording a movie.

10. HUD buttons
a. Flash
Off : The camera flash is always off.
On : The camera flash is always on.
Auto : The camera flash turns on and off automatically depending on the light levels.

b. Torch
When it is on, it turns on the light on the back of the device.  It is like a flash light.
Off : The camera torch is always off.
On : The camera torch is always on.
Auto : The camera torch turns on and off automatically depending on the light levels.

c. Focus
Single tap the screen to change the location where you want to focus. Tap also locks focus.
Triple tap to reset focus and exposure.
Lock : The focus is locked at current position.
Cont : The camera continuously monitors focus and auto focuses when necessary.

d. Mirror (Mirroring)
Specifies whether or not the preview is flipped over a vertical axis.
Off : Mirroring is always off.
On : Mirroring is always on.
Auto : Mirroring is on when the front camera is on.

e. Exp (Exposure)
Measures the total amount of light.
Double tap the screen to change the location where you want to measure exposure. Double tap also locks exposure.
Triple tap to reset focus and exposure.
Lock : The exposure setting is locked.
Cont : The camera continuously monitors exposure levels and auto exposes when necessary.

f. WB (White Balance)
Adjusts intensity of color to balance so that white objects are displayed white in photos/movies.
Lock : The white balance setting is locked.
Cont : The camera continuously monitors white balance and adjusts when necessary.

g. Grids
Off : Grid lines are hidden.
1 : Gird lines are shown: two vertical lines and two horizontal lines.
2 : Part of screen is blocked to show the preview as a square. It does not save the output as a square image but just shows the screen as a square.

11. Indicator View
a. F : indicates if the camera is currently focusing. Red light is on when focusing.
b. E : indicates if the camera is currently adjusting exposure. Red light is on when exposure is being adjusted.
c. W : indicates if the camera is currently adjusting white balance. Red light is on when white balance is being adjusted.

12. Information View
a. Audio : indicates instantaneous average power level of the audio in decibels.
b. Peak : indicates peak/hold level of the audio in decibels.
c. Focus : indicates current focus point. {0,0} indicates that the camera should focus on the bottom left corner, and {1,1} indicates that it should focus on the top right.
d. Expose : indicates current exposure point. {0,0} indicates that the camera should adjust exposure based on the bottom left corner, and {1,1} indicates that it should adjust exposure based on the top right.

13. Bluetooth
Only appears when a controller is connected via bluetooth.
Clicking this button disconnects the controller.

* Movie Duration : indicates the duration of the movie recorded. If recording is in progress, it is shown on the top right side of the screen.
* Movie Size : indicates the size of the movie recorded. If recording is in progress, it is shown on the top right side of the screen.
* Available Space : indicates the free space available to save pictures/movies. If recording is in progress, it is shown on the top right side of the screen.

B. Settings

1. Preset (Video Input Presets)
Please note that this description is based on iPhone 4.
Older devices may not support some of the presets listed below.
Low : suitable for low quality output. (suitable for sharing over 3G)
Med : suitable for medium quality output. (suitable for sharing over Wi-Fi)
High : suitable for high quality video and audio output.
Photo : suitable for high resolution photo quality output.
480 : suitable for 640×480 video output. (VGA quality output)
720 : suitable for 1280×720 video output. (720p quality output)

2. Focus Box
Turns on/off the focus point box on the screen.
Turning this off only prevents drawing the focus box on the screen.
Therefore, focusing is still in effect even when this is turned off.
Displayed as a blue box.

3. Lock Focus when Tapped
If this is on, tapping the screen changes the focus point and locks at that position.
If this is off, tapping the screen only changes the focus point without locking focus.

4. Blink Focus Box
If this is on, focus box is not shown when the camera is not adjusting focus.
If this is off, focus box is always shown.

5. Exposure Box
Turns on/off the exposure point box on the screen.
Turning this off only prevents drawing the exposure box on the screen.
Therefore, adjusting exposure is still in effect even when this is turned off.
Displayed as a red box.

6. Lock Exposure when Double Tapped
If this is on, double tapping the screen changes the exposure point and locks at that position.
If this is off, double tapping the screen only changes the exposure point without locking focus.

7. Blink Exposure Box
If this is on, exposure box is not shown when the camera is not measuring exposure.
If this if off, exposure box is always shown.

8. Autosave Movie
Turn this option on to save movies in the camera roll automatically.
It will still save them to almost DSLR’s local folder.
Saving a large movie in the camera roll takes time and the process only runs when almost DSLR is on.
Please keep the movie file in the local folder until it is properly saved in the camera roll.
Removing the file before copying is completed may cause the movie to be lost.

9. Interface Orientation
Turning this option off locks the orientation of the device.

10. Output Orientation
This option only appears when the interface orientation is turned off.
Turning this option on rotates the output even when the interface orientation is locked.

11. Volume Meter
Turn this option on to show the peak volume.
Both Audio Input and Volume Meter options have to be on in order for this to work.
The range is between -50 dB and 0 dB.

12. Information View
Turns on/off information view.

13. Indicator View
Turns on/off indicator view.

14. Color Settings
a. Color Settings
Changes color of HUD border lines.

b. Background Color
Changes color of HUD backgrounds.

c. Text Color
Changes color of HUD texts.

15. Turn Off Focus
If this is on and Focus is set to Lock, tapping the screen does not initiate focus adjustment.
To properly use it, set “Lock Whem Tapped” on, set Focus to Cont, and tap the screen once.
To readjust focus, just set Focus to Cont and try again.

16. Flip Screen
Turns the screen so that it can show the screen properly when using a complex (SLR) lens.
It only turns the screen not the actual output.

17. Show/Hide Buttons
All buttons except Settings button on the main screen can be shown/hidden.

18. Remote Control
Used to connect devices for remote controlling.
Bluetooth mush be turned on.
It only supports taking photos and recording movies.
Other settings should be set on the camera.
Up to two cameras can be connected to a controller.
At least two devices with almost DSLR are required : one for contorller and one for camera.


Click ‘Use as a Camera’ for the one to be used as a camera and click ‘Use as a Controller’ for the one to be used as a controller.


A camera will search for a controller and connect automatically.
When it successfully connects to a controller, the pop-up will disappear and the button title will change from ‘Connect’ to ‘Connected’.


A controller will search for cameras and connect automatically.
The pop-up will not disappear until the ‘OK’ button is clicked.
When there is at least one camera connected, the button title will change from ‘Connect’ to ‘Connected’.
The controller will automatically appear when settings page is closed.

19. Frame Rate
It is the rate at which the frames are produced by the device.
FPS indicates the number of frames per second. Only works for iOS version greater than or equal to 5.0.
For version 4.x, it records with automatically adjusted FPS.

20. Audio Input
If this is turned off, turning on almost DSLR will not kill the music.
It is still possible to record movies, but there will be no sound.
It is recommended to leave it on.

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