Newcon Optik Hunting Equipment DN310 User Manual

13. QUALITY CERTIFICATE  
The DN 310 is suited for usage.  
Production date _____________________________  
Serial number ______________________________  
Quality control ________________________________  
Purchase date ______________________________  
Salesman __________________________________  
Operation Manual  
Quality inspector ____________________  
(Signature)  
NIGHT VISION RIFLESCOPE  
DN310  
(Camera/Video Adaptable)  
In USA: 3310 Prospect Ave. Cleveland, OH 44115  
In Canada: 1183 Finch Ave. W., Suite 302, Toronto, ON M3J 2G2 Canada  
Tel: (416) 663-6963 Fax: (416) 663-9065  
NEWCONTM. 2001  
Printed in Canada  
Web: http://WWW.NEWCON-OPTIK.COM  
 
10. TROUBLE SHOOTING  
Water-resistant  
Built-in powerful I/R illuminator (good for over 200 m)  
Automatic brightness protection  
Camera/video adaptable  
Precision internal windage/elevation adjustments  
Standard weaver mount  
]
The scope does not work.  
Check that the batteries are installed properly. Check the charge of the  
batteries. Replace if they are weak. Do not use old batteries with new  
ones.  
The image does not appear in focus.  
Bring the inspected object to the center of the image. Turning the  
objective lens ring (10), and/or the eyepiece (3) adjust to achieve the  
clearest image on the screen. Repeat the steps of focusing if necessary.  
If the view still does not seem in focus, clean the lenses. They could be  
foggy or dusty.  
Long eye relief  
Low power consumption. Standard and commonly available  
2AA batteries ensure nonstop operation of the device for no  
less than 50 hours.  
Protection from the lateral and dot light sources  
Compact size and light weight  
Image has disappeared.  
When bright light gets into the objective lens of the night vision device it  
may result in disappearing of the image as the automatic shut-off feature  
comes into action to protect the device. Whenever this happens, turn the  
switch to the OFF position. In a minute or two the device will be ready for  
further operation.  
CONTENTS  
1. Brief description  
2. Appearance of the device  
3. Technical characteristics  
4. Supplied accessories  
5. Operation instructions  
If the image has been lost at the moment of a shot, check contacts in the  
battery compartment.  
Condensation accumulates on the parts  
In order to avoid misting of the eyepiece lens in cold time use special  
protective covers.  
a. Battery installation  
b. Testing of operation  
c. Operation at night  
d. Using the optional 2x magnifier lens  
Indistinct movement of aiming reticule.  
When adjusting the scope it is desirable to rotate the screw of horizontal  
replacement for 2-5 clicks in one direction, and then put the vertical  
adjustment screw in the initial position.  
6. Installing on a hunting rifle  
a. Variant I – Adapter rail with Standard prism type.  
b. Variant II – Adapter rail with 7/8” Weaver prism  
type  
c. Variant III – Side rail for East European (Warsaw  
Pact) rifles  
Black dots on the screen  
These are the cosmetic blemishes in the image intensifier, that do not  
affect the performance or reliability of a night vision device and some  
number of varying size are inherent in the manufacturing process. Most of  
them are seen at daytime only and become almost invisible during the  
nighttime operation.  
7. Adjustment of the scope on the rifle  
8. Taking photos and video shooting  
9. Storage and maintenance instructions  
10. Trouble shooting  
11. Warranty  
12. Customer Support  
Bright spots on the screen  
The image may contain some bright spots caused by gradual relief of  
static electricity from the cathode. This feature may appear immediately  
after the assembling of the device or attaching/detaching of the objective  
lens, and it always disappears within 5-14 days of usage or storage.  
13. Quality certificate  
18  
3
 
9. STORAGE AND MAINTENANCE INSTRUCTIONS.  
BEFORE USE CAREFULLY READ ALL THE  
INSTRUCTIONS!  
Warning!  
After transportation or keeping the device at temperature lower  
than -40°C (-40°F), the device must be warmed up to ambient  
temperature, from -10°C (14°F) to +40°C (104°F), relative  
humidity of 80% max. at 20°C (68°F).  
FAILURE TO OBEY THE INSTRUCTIONS  
WILL VOID THE WARRANTY.  
1. BRIEF DESCRIPTION  
Precautions  
DN-310 is a sophisticated precision optical instrument equipped  
with electronics.  
Therefore, it should be handled with due care.  
DN 310 Night Vision Scope is a modern, universal night vision  
device designed for a wide range of activities from amateur to  
professional needs:  
Nighttime observation and hunting  
Law enforcement and security  
Search and rescue  
Wildlife observation  
Nighttime photography and video  
Keep your device away from direct sunlight, impacts, dust,  
moisture, and sudden changes of temperatures.  
Do not keep the device at temperatures higher than 60oC  
(140oF).  
Do not touch the optical surfaces with fingers. Doing so may  
damage the anti-reflection coating.  
Cleaning of optical surfaces is only allowed with professional  
camera lens cleaning supplies.  
The device is equipped with a Second Generation high-quality  
electro-optical image intensifier (Gen. II, 25mm MCP) utilizing the  
principle of multiple intensification of the image brightness in the  
visible and IR spectrum which guarantees an up to 400 – 700 m  
observation range.  
To clean the exterior of the device, use a soft clean cloth.  
Do not take the cover off the lens if not necessary.  
Keep away from heating appliances and central heating.  
Make sure to switch off the unit during periods of non-  
operation and when storing the device for long period of time.  
Do not apply superfluous efforts at work with lens assembly,  
agile elements and thread connections.  
Due to considerable optical magnification of the eyepiece some  
small structures inside the tube coating in the form of dark  
and/or white points may be seen in the field of view, which  
does not affect the serviceability of the device.  
NOTE.  
Detection and recognition range provided by the device depends on  
the type of the objective lens used and the observation conditions:  
light available, transparency of the atmosphere and target quality.  
The identification range increases in the conditions of high light, at  
moon night, if the target is situated on a light background (sand,  
snow). The identification range decreases in the conditions of low  
light, low transparency of the atmosphere, if the target is situated  
on a dark background (plough-land, stems of trees, etc.).  
17  
4
 
2. Remove the rubber eyepiece guard from the scope.  
3. Set the eyepiece in the medium position.  
4. Screw the adapter ring with the camera in an internal groove of  
an eyepiece.  
2. EXTERNAL APPEARANCE OF THE DEVICE  
Objective lens 64mm / F1.2 Objective lens 100mm / F1.5  
5. Switch on the device and focus the assembled system with the  
help of the objectives of the device and camera. If the image  
cannot be focused the camera with the ring should be removed  
and the coupling of the eyepiece of the device should be rotated  
a little. Assemble the system again and check it’s focusing. At  
some position of the eyepiece and objective of the camera the  
system will be focused exactly.  
6. Fasten the adapter ring with the camera to the body of the  
eyepiece of the device with the help of three locking screws.  
During further photo shooting sharpness of the system is  
obtained with the help of the objective of the DN 310 only;  
7. Set diaphragm on the objective of the camera equal 2.8 or 4  
(shooting is possible even at lower diaphragm settings, for  
example 2, but the obtained pictures will have worse  
resolution). Taking photos with a completely opened  
diaphragm of the objective is justified for the shooting of  
quickly moving objects only.  
5
7
3
5
6
4
6
7
3
4
13  
1
1
2
11  
11  
2
12  
13  
12  
9
8
10  
10  
9
8
1 – Body of the device;  
2 – Objective lens;  
3 – Eyepiece;  
4 – Rubber eyepiece guard;  
5 – Battery compartment;  
6 – I/R illuminator;  
7 – Internal windage/elevation adjustment knobs;  
8 – On/Off/power alteration switch for the IR illuminator;  
9 – Brightness control knob;  
The TTL system, which is installed at most SLR cameras, easily  
estimates exposure during the shooting with the device. If your  
camera is not equipped with the TTL system, the table can  
approximately estimate the shutter speed at the diaphragm number  
of the camera equal 2.0:  
ISO  
50 100 200 400 800 1600 3200  
1/2 1/4 1/8 1/15 1/30 1/60  
Shutter speed, sec.  
1
10 – Objective lens focus ring;  
11 – Weaver mount;  
12 – Objective lens cover;  
NOTES.  
Use an ISO 400 film or higher. Usage of a tripod is strongly  
recommended to achieve higher quality photos.  
13 – On/Off switch of the unit.  
16  
5
 
8. Make a control shot and find out whether the aiming point  
coincides with the bullet hit point. (Make the correction again  
if necessary);  
9. Set the protective caps into their places.  
The device is ready for operation.  
3. TECHNICAL CHARACTERISTICS  
General  
Magnification, x  
Field of view, degree  
2.8 (5.2*)  
17 (9*)  
4.4  
10  
Objective lens  
Focus length, mm  
F-number  
64 (128)  
1.2  
100  
1.5  
While performing the adjustment it should be considered that the  
marking displacement mechanism of the device is equipped with a  
click holder that displaces the marking both in vertical and  
horizontal direction.  
Focus range  
10 m to infinity  
Eyepiece  
Focus length, mm  
Eye Relief Distance, mm  
Dioptre setting  
35  
45  
+3, -4  
Focus length of the objective lens, mm  
64  
100  
One click shift of the marking at the  
distance of 100 m, mm  
Mechanical characteristics  
Overall dimensions, mm  
Weight, kg  
54  
34  
225 x 82 x 74  
0.97  
252 x 82 x 74  
1.10  
At 100 yards, inches (”)  
1.944  
1.244  
Working conditions  
Temperature range  
o
o
-40 C to +50 C  
0 to 98%  
Relative humidity  
8. TAKING PHOTOS AND VIDEO SHOOTING  
* with optional 2x lens (doubled magnification).  
DN 310 can be supplied with an  
optional adapter for photo/video  
devices for night photo/video  
shooting.  
Night photo shooting with DN  
310 is easily performed using  
Electrical parameters  
Power supply  
Voltage, V  
Continuous work time, h, minimum  
- Stand-by mode (no I/R)  
- Active mode (with I/R)  
2 batteries (AА type)  
3
60  
5
35mm SLR cameras such as  
Image intensifier tube  
Type  
Photo cathode sensitivity, µA/lm  
Gain, maximum  
Nikon, Canon, Pentax etc. with standard objective lens (50-58 mm  
focus).  
Gen. II, 25mm MCP  
230-440  
50,000  
41-45  
Preparation of the device for photo shooting:  
Resolution, Lp/mm  
1. Screw the adapter ring supplied in the set (diameter 52mm or  
37mm) into the setting place of the light filter of the objective  
lens in your camera. If the objective lens of your camera has  
another setting diameter for a light filter (for example, 49mm  
or 58mm) your have to purchase step up or step down adapter  
rings from the 52 mm to your size. Such adapters are typically  
sold at camera stores.  
Infrared illuminator  
Type  
Power, mW  
Illumination angle, degree  
Illumination Spectrum, nm  
P.S. Technical characteristics may be improved without prior notice.  
IR diode  
75  
8-10  
805  
6
15  
 
7. ADJUSTMENT OF THE SCOPE ON THE RIFLE  
Dimensions of the Reticule  
4. SUPPLIED ACCESSORIES  
DN310 is supplied in the following assembly:  
- Device  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
The dimensions listed below are good for  
shooting range of 100m.  
For a distance other than 100m the  
dimensions must be calculated  
accordingly in proportion.  
- Objective lens cap  
- Built-in IR illuminator  
- Rubber eyepiece guard  
- Weaver rifle mount  
- Camera/video adapter (52mm/37mm) 1 pc./each  
Focus length of the objective lens, mm  
Crosshair width - A, mm  
Interval - B, m  
64  
17  
1.4  
100  
11  
0.9  
- User’s manual  
- Warranty card  
- Case  
1 pc.  
1 pc.  
1 pc.  
Optional accessories:  
-2x Magnification Lens  
-Weaver rail rifle mount (7/8’’)  
-Side mount for East European type 1 pc.  
rifle.  
Before adjusting of the scope its objective should be set for a  
distant object (select infinity) in daylight or at dark time with the  
opened cover of the objective.  
The adjustment of the scope should be performed either in daytime  
with the closed cover of the objective or in the twilight on the  
adjusted target or on the remote point.  
1 pc.  
1 pc.  
5. OPERATION INSTRUCTIONS  
WARNING!  
Adjustment of the sight is performed in the following way:  
1. Fix the scope on the rifle.  
2. Set a panel with a target or select the point of aiming.  
3. Set the rifle on the scoped machine.  
NEVER OPERATE YOUR NIGHT VISION DEVICE IN  
DAYLIGHT AREAS WITHOUT THE LENS COVER ON!  
NEVER AIM THE LENS IN THE DIRECTION OF BRIGHT  
LIGHT!  
4. Direct the rifle to the point of aiming by mechanical sight (bead  
with a slot) (if it is possible). At this stage it is suitable to apply  
laser of cold test shooting (LCTS) inserted in the barrel of the  
rifle, which indicates geometrical point of the barrel position  
(sold separately).  
a. Battery installation  
DN 310 requires two AA  
batteries. Make sure that the  
batteries are in good  
condition and polarity is  
installed as it is indicated on  
5. Unscrew the protective caps of the reticule adjustment screws.  
Turning those screws obtain the matching of reticule crosshairs  
with the aimed point, set by the mechanical sight or LCTS;  
6. Remove the rifle from scoped machine and take out LCTS;  
7. Make 2-3 shots. Having examined the target make necessary  
corrections (for example, in order to move the hit point  
downwards and leftwards, screws of the mechanism should be  
turned counter clockwise, in the directions Down and Left  
correspondingly. The aiming point is moving upwards and  
rightwards);  
the body of battery  
compartment (5).  
In order to change the batteries unscrew the cover of battery  
compartment (5) and install the new batteries, observing correct  
polarity.  
7
14  
 
NOTE. In order to ensure the longest operation time of the device  
and full power of the IR illuminator (using one set of batteries) it is  
recommended to use Alkaline batteries, which ensure the most  
stable performance.  
-
-
Place the scope on the rail of the rifle in such a position when  
your eye coincides with the edge of the Eyepiece Guard or in  
case of a large caliber (for example, .375 H&H Mag) your eye  
should be situated at the distance of 2-5cm from the edge of the  
Eyepiece Guard. The device should be located in the position  
which allows comfortable observation without stretching  
forward;  
Place inserts (4,5) in the apertures of the rail (3). The insert (4)  
is placed with a projection (B) looking downwards in the  
nearest slot on the rail of the rifle. If there is no such a slot, the  
insert (4) is placed with a projection (B) looking upwards. It is  
recommended to place the inserts at the maximum possible  
distance from each other;  
b. Testing of operation  
During the bright time of the day:  
Turn on the on/off switch (13). Lens cap (12) must be on. Direct  
the device at an object placed within 10-20 m from the viewer.  
Turning the focus ring (10), eye-piece (3) and the brightness  
control (9) try to achieve the sharpest image on the screen of the  
image tube.  
Place clamps (6) and clamp screws (7) in the inserts (4,5). Tighten  
screws (6,7) in order to obtain hard fixation. When necessary the  
excessive front part of the rail (3) can be removed.  
Adaptation has been completed and the device is ready for use as a  
hunter’s scope.  
CAUTION!  
The device is not supposed to be directed at a bright source of light:  
bright lamps, the sun, welding and etc – it may result in the  
reduction of the light gain of the device. In order to avoid the  
fatigue of photo-cathode it is not allowed to leave the active device  
motionless in the excessively bright environment (dawn, dusk,  
daylight, etc.) for more than 30 minutes.  
c. Variant III – side rail for East European (Warsaw Pact) rifles.  
Side rail can be used for the installation of DN 310 on a hunting  
rifle with side rail.  
c. Operation at night  
AT MOON LIGHT: Take off the lens cover (12). Turn on the  
device-using switch (13). Turning the eyepiece (3) adjust to  
achieve the most clear image on the screen. Then obtain the most  
clear-cut image of the object focusing with ring (10). Repeat the  
steps of focusing if necessary.  
The appearance of the device with a side rail is shown below:  
AT INSUFFICIENT AMBIENT ILLUMINATION: use the  
Infra/Red illuminator (6) activated by rotating switch (8) clockwise.  
Select one of three positions of the switch for different power  
settings (10, 25 or 75 mW). Furthermore, turn the brightness  
control knob (9) for a brighter image.  
It is recommended to contact NEWCON OPTIK for installation of  
the side rail.  
ATTENTION! In case you use other type of binding, to eliminate  
the phenomenon of shooting point displacement, device binding  
should be advised with Newcon Optik, because usually such  
displacement is caused by unqualified installation.  
If brightness of the screen is decreasing, replace the batteries.  
Take out the batteries during long periods of non-operation.  
Do not forget to switch the device off after end of WORK!  
8
13  
 
1- body of the device  
d. Using 2x magnifier lens  
2- adapter rail with 7/8’’ Weaver prism encompassing:  
Your DN 310 (equipped  
with the 64mmF/1.2  
objective lens can be used  
with an optional 2x  
magnifier lens in order to  
obtain double  
3- fastening screws  
4- insert rest  
5- insert  
6- clamp  
7- clamp screw.  
magnification. The lens  
(marked as 2x) doubles focal length of the objective. It can be  
mounted on a setting thread behind the light filter of the objective  
lens (external side of the objective). The 2x magnifier lens must be  
tightened to the rest.  
(All parts of the alignment are supplied by Newcon Optik).  
Installation of the device is performed as follows:  
-
Check the elevation of the fastening screws (2), pulling the rail  
(3) to the body of the device (1) above the upper surface of the  
rail. The height of elevation must not exceed 3.0mm and must  
not be less than 2.5mm. It is especially important when the  
body of the device has a blind aperture with a thread (front  
hole for the device with a 64 mm objective). The elevation  
should not exceed 3.5mm for through holes and should not be  
less than 2.5mm. This requirement can be met by cutting axle  
length of the screws from the side of the thread;  
NOTE! In case of simultaneous usage of the IR illuminator  
and 2x magnifier lens partial darkening of the image may  
occur, as the large 2x lens overlays the light beam from the  
IR illuminator. To avoid this the device should be ordered  
with Z-like shape I/R illuminator.  
Prior to ordering of the 2x magnifier lens for the device with a  
weaver mount, it is necessary to check if it is possible to install the  
80 mm diameter 2x lens.  
-
Prepare the glue (glue is needed, for example, epoxy with the  
tear strength not less than 200kg/cm2) according to its  
preparation instruction, and put it on the surface (A) of the  
plate. The surface of the screws should not have any glue. This  
condition is of a considerable importance, since it provides an  
opportunity to repair the device and remove the alignment plate  
for further adaptation to another rifle;  
6. INSTALLING ON A HUNTING RIFLE  
Night vision device DN 310 may be used as a nighttime hunting  
scope.  
Recommendation. The usage of night vision  
riflescopes for hunting may be limited or illegal in  
your area. Please, check with local authorities prior to  
usage.  
-
-
-
Apply a hermetic substance (of silicone type) on the thread of  
the screws (2);  
Fix the rail to the body of the scope with the help of the screws  
(2) cut at the required length;  
Remove glue surpluses appeared in the place of alignment of  
the rail with the body with a dry napkin and let the glue solidify  
in accordance to its instruction (for example, 24 hours in case  
of epoxy glue);  
Device may be used with various mounts that facilitates reliable  
fixation of the device to a particular rifle.  
For convenient installation the device is supplied without stiff  
fixation of the binding to the device, and in most cases that enables  
to perform the device installation to a specific rifle model. For  
installation you should contact a specialised armourer workshop  
(gunsmith) or – if you are qualified enough – perform the  
installation yourself.  
12  
9
 
INSTALLATION RULES.  
Install the feet onto the rail (4). Insert the feet (2, 3) in the rifle. Sliding  
the rail in the feet, find the position, in which your eye will meet the  
edge of the eyeshade of the device or will be 2-5 cm apart for big  
calibres (like .375 H&H Mag). The position of the device must be  
comfortable enough so that you would not have to reach forward for  
convenient observation;  
a. Variant I – Adapter rail with Standard Prism type.  
Device is fixed with the help of the following parts:  
Cut the excessive part of the rail (4);  
Keeping the chosen position of the device, fix the feet (2, 3) to the rail  
(4) according on the instruction of the feet producer;  
Prepare the glue according to an instruction (the glue need to be of a  
certain strength not less than 200 kg/cm2, for example epoxy) and apply  
it to (A) surface of the rail. The surface of the screws must remain free  
of the glue. This is especially important for possibility to repair the  
device or to remove the binding rail for installation on a different rifles;  
Apply hermetic (silicone type) to the threading of the screws (5).  
Fix the bar to the body of the device with the help of the screws (5), cut  
to meet the needed length;  
Remove excessive glue (that is pushed out in the points the rail is  
connected to the body of the device) with the help of dry cloth and  
alcohol-moistened cotton wool, and let the glue take according to its  
instruction (for example, 24 hours for epoxy).  
1- Device body  
2- Front cradle for Standard prism  
3- Rear feet for Standard prism  
4- Mount of the Standard prism type  
5- Fixing screws  
Installation is completed and the device is ready for use as a hunting scope.  
Front and rear feet (2, 3) are the standard feet with Standard prism  
(4), manufactured by the companies that produce mounts (for  
example, Ernst Apel GmbH Germany)). The mount of Standard  
prism type (4) and screws (5) are optional.  
Installation of the device should be performed according to the  
following rules:  
b. Variant II – Adapter rail with 7/8’’ Weaver prism type.  
Fastening of the device is made with the help of the following  
parts:  
Check the prominence of fixation screws (5) that bind the prism  
(4) to the body (1) of the device over the top surface of the prism.  
The prominence must not be less than 2.5 mm or more than 3.0  
mm. This is especially important if in the body of the device  
there is a dead threaded hole. For the reach-through holes the  
prominence may reach 3.5 mm, but must not be less than 2.5  
mm. In order to meet this requirement you can cut the threaded  
part of the screws at length;  
11  
10  
 

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