Modern Classic SLRs Series :
Nikon EE Aperture Control Attachment Unit DS-2
for F2SB Photomic w/DP-3 Prism - Instruction Manual -
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The DS-2 EE Aperture Control Attachment is designed to provide the DP-2/DP-3 Photomic Finderequipped F2 Nikon with shutter-speed priority, automatic exposure capability.

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Utilizing the Photomic finder's meter readings of the subject's brightness, the DS-2 continuously adjusts the lens aperture to maintain correct exposure. Its automatic exposure control functions at all shutter speeds, and couples with all Nikkor lenses fitted with a meter coupling prong. Provision for manual override makes for flexibility of use.

When used with the Nikon motor drive and intervalometer, a DS-2 equipped camera permits fully automatic, unmanned operation. Connection with the da/aback-equipped cameras through the- flash terminal, allows recording of time and date on the film frame.

To obtain the best results from your DS-2 Aperture Control Attachment, read these instructions carefully before using the unit. You can either choose to bookmark this site for print copies out for your personal reference and keep it handy for quick reference until you have fully mastered operation.

Credit: Image(s) appeared herein courtesy of Mr. Vincenzo Montalto from Bestdeals$$$® <> "Bestdeals$$$", who also operates a very popular Ebay Store, selling many unique camera equipment of various brands and labels and some of the images shown here was kindly granted permission by the Company. All images appeared herein are Copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer.


Foreword .......
Setting up the attachment ....
Installing the battery | Checking the battery | Removing the attachment | Automatic Exposure Control | A-M switch lever | Manual Operation | Motor Drive Operation .......

Recharging the Ni-Cd battery | Setting the proper voltage | Charging the battery | Accessories ............ AC/DC Converter MA-4 | Battery Pack DB-1 | Nikon F2 36/250-Exposure Data Camera Set | Points to check for proper EE control operation | Specifications.......

BEFORE proceeding to the setup section, | Click Open a New Browser Window | for a Main Reference Map for DS-1 to cross checking with its various control features.

Setting Up the DS-1 Attachment Unit

Remove the lens and F2S/F2SB Photomic finder from the camera and pull up the camera rewind knob as far as it will go.
Before mounting the DS-2 attachment, make sure that its A-M switch lever (which also doubles ~s the lens release button when the attachment is mounted on the camera) is set at the M position. If not, push down on the button and the lever will spring to the M setting.

Slide the attachment into place, with the fork sliding into the accessory shoe and the loop arm settling around the lens bayonet mount. Turn the milled lock knob on the attachment until you feel an increased tension. The attachment is now locked in place. (Note that the knob can still be turned; this leeway prevents over-screwing of the knob thread into the sync terminal on the camera.)

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Then mount the finder on the camera (refer to the instruction manual for the F2S/F2SB Photomic) in the normal way; this action will connect the circuitry of the finder and the DS-2 via the electrical contacts provided on each of the units. Push the recessed catch on the gear as far to the right as it will go. Set the lens aperture diaphragm at f/5.6 and position the lens in the camera bayonet mount so that the coupling prong on the lens settles into place between the prongs of the recessed catch.

Twist the lens counterclockwise until it clicks into place. Turn the lens' aperture ring all the way to the minimum aperture setting, then all the way in the opposite direction.

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Check the maximum aperture indicator on the F2S/F2SB Photomic finder to make sure that the maximum aperture of the lens in use appears in the window.

For example, if the 50mm f/1.4 lens is mounted on the camera, the number 1.4 should appear in the window.


1 ) Secure the EE Aperture Control Attachment by tightening the lock knob. If the knob is loose, imperfect circuit contact may result, or the unit may become deformed.
2) When you load a camera to which the EE Aperture Control unit has been attached, observe the following. First drop a film cartridge in place. Then, turning the rewind knob clockwise, push it down so that the cylinder around the shaft goes down to hold the cartridge; otherwise, the film cannot be rewound.
3) When carrying the camera/attachment assembly around, especially with a long lens, always hold the camera body - never the attachment.

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