Zenit SURPRISE-MT-1 - User Manual

Camera
SURPRISE-MT-1
PASSPORT
1. GENERAL INSTRUCTIONS
This passport contains brief characteristic and basic rules of using the camera "Surprise-MT-1". This is not a
photography manual. Read carefully the operating procedure given in this passport below prior to using the camera.
Construction of your camera may differ a bit from stated below due to modernization.
1.1. Handling the camera
The camera "Surprise-MT-1" is precise optical-mechanical device. Its right operation depends on the correct
manipulation and good care of it.
Keep the camera clean; preserve it against impacts, a dust, and dampness. Use a soft brush to clean dust from a
cartridge slot, take-up spool, film channel, and back cover with clamping table periodically. Do not touch optical
parts of the camera. But if it has happen, remove traces immediately with soft cotton napkin or cotton wool
moistened with spirit slightly.
Clean mirror and lens with bisector in the most necessary cases only very soft dry brush. Keep the camera in the
closed case. Close the lens with a cover. Cover the camera body with body cap. Keep shutter released. Do not
remove lens or cap from the camera without need to prevent pollution and dust deposition on the optical surfaces.
As the camera is complex device, highly skilled experts only may make any repair and appropriate adjustments.
Having brought the camera from a cold into a warm room, unpack it not earlier than after 5-6 hours (to allow the
camera to be heated up to room temperature).
1.2. Transportation Instructions
Transportation of cameras "Surprise-MT-1" is permitted in transport packing by the following vehicles:
- Railway, air and water transport with protection from moisture, without restriction of distance (transportation by
air transport should be made in the hermetically sealed heated compartments);
- Automobile transport in covered cars on the roads with firm and smooth covering on distance of more than 2000
kms.
Permitted range of temperatures during transportation is from -50 up to +50 degrees centigrade.
1.3. Instructions on Preservation and Demothballing
To prepare the camera for long storage or transportation, the sealed box with the camera and accessories should be
placed into a polyethylene bag and stored along with silica gel dehumidifier in accordance with GOST 9.014-78 for
conditions of storage: ZH: VZ-10, VU-7. Deadline of protection without re-preserving is 3 years.
For transportation, sealed bag with the camera is wrapped up by a packing paper and stacked into a packing-case.
Damping material should be placed between the walls of the box and packages.
If the boxes with cameras are brought from colder place into a warm room, unpack them not earlier than after 5-6
hours (to allow the cameras to be heated up to room temperature).
1.4. Instructions on Sanitary Processing
It is necessary to carry out sanitary processing of the external surfaces of the camera in the process of operation.
Sanitary processing should be carried out by fivefold wiping of external surfaces of the device (except for optical
parts) with a tampon moistened with a disinfectant solution (3% solution of hydrogen peroxide with addition of
0,5% of a washing-up liquid like "Lotos", "Astra", "Progress"). The tampon should be wringed.

Summary

1. General Instructions

1.1. Handling the Camera

Provides guidance on proper handling, cleaning, and care to maintain the camera's functionality.

1.2. Transportation Instructions

Details permissible transportation methods, conditions, and temperature ranges for the camera.

1.3. Preservation and Demothballing

Covers methods for long-term storage and preparing the camera after periods of disuse.

1.4. Sanitary Processing

Outlines the procedure for sanitary processing of the camera's external surfaces.

2. Safety Requirements Compliance

3. Specifications

3.1. Purpose and Advantages

Describes the intended use and key features that make the camera suitable for its purpose.

3.2. Characteristics

Lists detailed technical specifications including dimensions, weight, and performance metrics.

3.3. Precious Materials Information

Provides information on the precious materials contained within the camera's components.

4. Delivery Set

5. Camera Construction

5.1. Basic Units and Parts

Identifies and labels the main external units and parts of the camera.

6. Preparation for Work

7. Operating Procedure

7.1. Imprinter Numbers Installation

Explains how to use the imprinter for adding information to the film frames.

7.2. Setting Shutter Speeds

Details how to adjust and set the camera's shutter speed for correct exposure.

7.3. Focusing

Guides users on how to achieve sharp focus using the camera's viewfinder and components.

7.4. Photographing

Provides instructions on the actual process of taking photographs with the camera.

7.5. Unloading the Camera

Describes the steps required to safely rewind and unload the film from the camera.

7.6. Eye Shade with Replaceable Lenses

Explains how to attach and use the eye shade with interchangeable lenses for better viewing.

7.7. Batteries Replacement

Details the process for replacing the dry elements (batteries) that power the camera.

8. Maintenance Service

9. Operating Repair

10. Storage Rules

11. Acceptance Certificate

12. Guarantee Certificate

Overview

1. Function Description
2. Important Technical Specifications
3. Usage Features
4. Maintenance Features

The "Surprise-MT-1" is a specialized optical-mechanical camera designed for medical photography, particularly through endoscopes. It can be used both with and without dedicated lenses.

Function Description:

The camera features a self-returning mirror that allows continuous observation of the shooting object before and after exposure. Its vertical movement shutter curtains ensure uniform exposure across the entire frame field. Film loading is simplified with a handle for return rewind and a self-resetting picture counter, reducing preparation time. For high-accuracy focusing, the viewfinder incorporates a special collecting lens with a grid at its center, featuring two concentric circles with diameters of 3 mm and 3.07 mm (round bisector). An imprinter is integrated to allow the entry of a picture number or other information directly into the frame field.

Important Technical Specifications:

• Frame size: 18x24 mm
• Film width: 35 mm (perforated film)
• Pictures per film: 70
• Shutter speeds: From 1 to 1/1000 sec, 'B' (manual), and long exposure.
• Lenses:
  • "Industar-50MT": Focal length 50 mm, Relative aperture 1:7 (focused on infinity).
  • "Mir-25MT": Focal length 30 mm, Relative aperture 1:3.5 (focused on infinity).
• Lens mount: Bayonet, with a special device for mounting an endoscope eyepiece.
• Tripod thread: 1/4"
• Average resource: 10,000 cycles
• Time between failures: 3,000 cycles
• Linear field of viewfinder image: 16.5x16.5 mm
• Overall dimensions (mm, no more):
  • With "Mir-25MT" lens: 140x103x128
  • With "Industar-50MT" objective: 140x103x100
  • Without lens: 140x103x70
• Weight (kg, no more, without accessories and case):
  • With "Mir-25MT" lens: 0.85
  • With "Industar-50MT" lens: 0.80
  • Without lens: 0.70
• Weight of complete set in case (kg, no more):
  • With lenses: 3.0
  • Without lenses: 2.8
• Electrical Safety: Meets GOST 12.2.025-76 (Type B internal power supply). Isolation resistance of synchronization circuit to case: ≥ 20 megohm. Isolation between connector contacts and between contacts and case: maintains ≥ 500V DC for 1 minute at 0.5 kVA power.
• Power Source: Five dry RC-53 elements.

Usage Features:

• Handling: The camera is a precise optical-mechanical device requiring careful handling. It should be kept clean, protected from impacts, dust, and dampness. Periodic cleaning of the cartridge slot, take-up spool, film channel, and back cover with a soft brush is recommended. Optical parts should only be cleaned with a very soft, dry brush in necessary cases, or with a soft cotton napkin/wool slightly moistened with spirit if traces appear. The camera should be stored in its closed case with the lens covered and body capped. Shutter should be released.
• Temperature Acclimation: If brought from a cold to a warm room, the camera should remain unpacked for 5-6 hours to reach room temperature.
• Transportation: Permitted by railway, air, and water transport with moisture protection (air transport in hermetically sealed heated compartments). Automobile transport is allowed in covered cars on firm, smooth roads for distances over 2000 km. Permitted transport temperature range: -50°C to +50°C.
• Storage: For long storage, the sealed box with the camera and accessories should be placed in a polyethylene bag with a silica gel dehumidifier, according to GOST 9.014-78 (ZH: VZ-10, VU-7 conditions). Protection deadline without re-preserving is 3 years. Storage in a dry, heated room at +1°C to +40°C with relative humidity of 80% at +25°C. Air must be free from harmful vapors. Storage closer than 1 meter to heating systems or under direct sunlight is forbidden.
• Sanitary Processing: External surfaces (excluding optical parts) should be wiped five times with a tampon moistened with a disinfectant solution (3% hydrogen peroxide with 0.5% washing-up liquid like "Lotos", "Astra", "Progress"). The tampon should be wrung out.
• Lens Installation: Turn the lens tightening ring counterclockwise until stop, insert the lens into the bayonet aligning the screw head with the bayonet ring groove, then fix by turning the tightening ring clockwise.
• Film Loading: Pull up the return rewind head (4) to open the back door (28). Insert the film cartridge into slot (20). Lower the return rewind head. Extend the film leader into the take-up spool groove (27). Cock the shutter lever (15) until stop, ensuring film is captured by the measuring roller (26). Close the back door (28). Release the shutter (11). Cock and release the shutter four times to advance to the unexposed part; the picture counter (12) should show "0".
• Imprinter Use:
  • Automatic Mode: Imprints a single number from scale (30) corresponding to the picture number. Set by turning disk (30). Imprinting occurs automatically upon shutter release (11).
  • Manual Mode: For more detailed information (film number, date, etc.). Partially turn shutter cock lever (15) to align its forward edge with marks on the top cover. Each partial turn moves the film for imprinting one number from scale (30). Press manual imprinting button (3) after each number setting. Up to five additional numbers can be imprinted manually. After manual imprinting, fully turn shutter cock lever (15) and set the picture number. Pressing shutter release (11) takes the picture and imprints the set picture number.
  • Note: Picture number imprints only in automatic mode. The imprinter scale has 32 positions, but film allows 70 pictures, requiring combination of manual and automatic imprinting for the second half of the film. Circular light aura may appear around imprinted numbers. To disable imprinting, disconnect sync wire (8) from plug socket (1).
• Setting Shutter Speeds: Turn disk (10) to align the desired exposure value with the index. "B" is manual exposure (shutter open while button 11 is pressed). "D" is long exposure (fix pressed button 11 by turning bushing 2 counterclockwise; return clockwise to stop after desired time). A cable release is recommended for manual and long exposures.
• Focusing: The viewfinder has two concentric circles (35) for focusing. Diopter lenses (see below) can be installed. Focus by accommodating the eye on the round bisector, then achieving a sharp image of the object via the endoscope eyepiece.
• Photographing: Cock the shutter. Press shutter release button (11) smoothly. Avoid keeping the shutter cocked for too long. A sync jack is provided for connection to lighting blocks for endoscopes.
• Unloading: When the picture counter reaches 70, rewind the film. Disconnect shutter mechanism by pressing button (14). Unfold handle (9) and rotate return rewind head (4) in the arrow direction until film is released from the take-up spool. Pull up head (4) until stop, open back door, and remove cartridge.
• Eye Shade with Replaceable Lenses: Use the eye shade to set diopter lenses for photographing without glasses. Unscrew the ring inside the rubber cup, insert a diopter lens, and fix it with the ring. Install the lens with its concave surface inverted towards the eye. Mount the eye shade with the lens onto the camera eyepiece.
• Battery Replacement: Unscrew screws (19 and 33) counterclockwise with a coin to open compartment covers. Replace used RC-53 elements with new, cleaned ones, ensuring (+) and (-) marks match. Secure covers.

Maintenance Features:

• General Maintenance: Maintenance is performed without disassembling the camera.
• Cleaning External Optical Surfaces: Follow "General Instructions" in the passport.
• Cleaning Film Channel & Clamping Table: Use a cotton wool tampon moistened with spirit. Wring the tampon to prevent liquid from entering mechanisms or optical surfaces.
• Cleaning Battery Contacts: Clean contact surfaces of RC-53 batteries and compartments during replacement or if oxidized.
• Removing Foreign Objects: If film parts or small objects fall into mechanisms, remove them with tweezers without disassembling the camera.
• Operating Repair: If a failure requires camera disassembly, it must be sent to the "Medtehnika" repair shop. Repairs are made according to the camera's repair documentation.
• Warranty: The manufacturer guarantees non-failure operation for 18 months from the date of putting the camera into operation, but no more than 24 months from the date of shipment. Warranty storage period is 2 years. Warranty repairs for medical devices are carried out by "Medtehnika" system repair shops. If breakdown is due to misuse, repair costs are paid by the establishment-owner.

Zenit SURPRISE-MT-1 Specifications

General

Brand	Zenit
Model	SURPRISE-MT-1
Category	Digital Camera
Language	English