Mamiya/Sekor Sekor 1000DTL, 1000DTL Owner's Operating Manual

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(this is the exact duplicate for the 500DTL except its top speed is 1/500 sec.)

TABLE OF CONTENTS

Description of Reference Points ..3

Section 1. Specifications ..5

Section 2. Insert the Silver Oxide Battery ..7

Section 3. Film Loading ..8

Section 4. Setting the Film Speed ..11

Section 5. Selecting the Shutter Speed ..12

Section 6. Focusing and Viewing ..13

Section 7. Setting the Exposure ..14

Section 8. Depth of Field ..17

Section 9. The Automatic Lens ..19

Section 10. Changing the Lenses ..20

Section 11. Holding the Camera ..21

Section 12. Self Timer ..22

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Section 13. Flash Photography ..22

Section 14. Rewinding the Film ..23

Section 15. Helpful Hints ..24

Section 16. Troubleshooting Your Camera ..25

Section 17. Meter Cut Off Points ..27

Description of Reference Points for the Mamiya/Sekor 1000DTL

1. Self Timer Activating Button

2. Self Timer Cocking Lever

3. Neck Strap Eyelet

4. Automatic Reset Exposure Counter

5. Meter " Off " Locking Button

6. Shutter Release Button with Threaded Cable Release Receptacle

7. Single Stroke Rapid Film Advance Lever

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8. Shutter Speed Dial and ASA/DIN Window

9. Film Plane Reference Point

10. Penta-Prism Housing

11. FP & X Flash Terminals

12. Rewind Knob with Rewind Crank

13. Film Compartment Door Slide

14. Focusing Ring

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15. Depth of Field Scale

16. Aperture Ring

17. Spot/Average Meter System Selector Switch

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18. Film Chamber

19. Battery Compartment Cover

20. Tripod Socket

21. Automatic/Manual Selector Lever

22. Viewfinder Eyepiece

23. Rewind Release Button

24. Film Advance Sprockets

25. Film Take Up Spool

26. Film Pressure Plate

27. Hinged Film Compartment Door

28. Film Cartridge Pressure Plate

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SPECIFICATIONS:

Mamiya/Sekor 1000 DTL Camera With Spot and Average Metering System

CAMERA TYPE:
35mm Single Lens Reflex with two separate behind-the-lens metering systems--one for
spot readings, one for averaging type readings.

FILM SIZE AND CAPACITY:
35mm film (perforated) in 20 or 36 exposure standard cartridges.

STANDARD LENSES:
55mm f/1.4 Mamiya/Sekor. 7 elements in 5 groups. Angle of acceptance: 43 degrees.
55mm f/1.8 Mamiya/Sekor. 6 elements in 4 groups. Angle of acceptance: 43 degrees.

LENS MOUNT:
Praktica-Mamiya/Sekor, 42mm universal threaded mount.

LENS ACCESSORY SIZE:
55mm f/1.4 Lens: Acc -55 mm threaded filters and other lens accessories.
55mm f/1.8 Lens Acc 52mm threaded filters and other lens accessories.

SHUTTER:
Focal plane type with speeds from 1 to 1/1000 of a second and " B" for time exposures.

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Built-in variable delay self timer.

EXPOSURE CONTROL:
Two separate metering systems with one CdS meter cell positioned on the back of the
reflex mirror (spot system), and one cell located on each side of the viewfinder eyepiece,
in the penta-prism housing (averaging system). Both metering systems are cross coupled
to camera shutter speeds and diaphragm mechanism of all automatic lenses with Praktica­Mamiya/Sekor universal mounts. Film advance lever switches metering system on and
actuates diaphragm of automatic lenses. Metering systems also accurately measure light
transmitted through non-automatic lenses, bellows, extension tubes, filters and other lens
attachments. Spot/Averaging selector switch on camera body allows use of either the spot
or averaging system of exposure calculation.

FILM SENSITIVITY:
ASA 25 to 3200 DIN 15 to 36

* NOTE: Patent pending on Mamiya/Sekor Spot/Average Metering System.

VIEWFINDER:

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Penta-Prism type with micro diaprism center spot on fresnel lens for rapid focusing.
Brackets visible in finder indicate location of spot meter reading area (6% of field).
Pointer and "S" and "A" symbols visible in finder indicate whether the spot or the
averaging metering system is being used. Exposure needle and reference points indicate
necessary exposure adjustments.

FLASH SYNCHRONIZATION:
With Focal Plane bulbs: 1 to 1/1000 second. With Class " M " bulbs: 1 to 1/30 second.
With Class "F" bulbs: 1 to 1/30 second. With Electronic flash: 1 to 1/60 second.

The Mamiya/Sekor 1000 DTL has two separate sets of flash contacts, marked " FP " and
" X ". Proper selection of terminals allow correct synchronization for all types of flash
exposures.

REFLEX MIRROR:
Instant Return Type.

FILM ADVANCE:
Ratchet type film advance lever transports film, cocks shutter and advances exposure
counter in a single stroke (160°) or by a number of shorter strokes.

EXPOSURE COUNTER:
Progressive type, from " S " (start) to 36. Counter automatically resets to " S " when film
compartment door is opened.

DIMENSIONS:
Width: 5.8 inches (148mm)
Height: 3.7 inches ( 95 mm)

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Thickness: 2 inches ( 51 mm) without lens.

WEIGHT:
Body only: 1 lb. 9-1/2 ounces (725 grams)

INSERT THE SILVER OXIDE BATTERY: