www.dellonda.co.uk
Binoculars
7x50mm Porro Prism BAK4, Multi Coated, Water/Fog Proof
Model No. DL4
Thank you for purchasing a Dellonda product. Manufactured to a high standard, this product will, if used
according to these instructions, and properly maintained, give you years of trouble free performance.
Issue 1 20/05/2019
2 www.dellonda.co.uk
Important Information
Please read these instructions carefully. Note the safe operational requirements, warnings & cautions.
Use the product correctly and with care for the purpose for which it is intended. Failure to do so
may cause damage and/or personal injury and will invalidate the warranty. Keep these instructions
safe for future use.
Controls and Features
Refer to
Instruction
manual
Focus wheel
Focusing eyepiece
Rubber
eye cups
www.dellonda.co.uk 3
About the Product
The Dellonda range of binoculars are some of
the best quality, affordably priced binoculars
that you will nd available on the market. Sleekly
designed with a robust build quality and light
in weight make these your perfect viewing
partners for a variety of applications. The DL4
are specically designed to Marine standard 7 x
magnication and 50mm objective lens making
them ideal for any water based activity including
angling, boating, sailing and spectator water
sports events.
All of our models have double sided multi coated
lenses giving an impressive 90% light transfer
rate meaning you get a much clearer and better
quality image every time.
The DL4 has 7x magnication and a 50mm
objective lens diameter for a brighter image
along with a central-right focus adjustment and
long eye relief of 23mm. With a large exit pupil
diameter of 7.1mm the DL4 are seamlessly clear
and easy to see through. Using a BAK4 prism, the
DL4 gives better optical quality especially in low
light conditions and the porro prism design gives
these binoculars a greater depth of eld and
wider eld of view.
The robust waterproof rubber body and fogproof
lenses mean the DL4 is capable of withstanding
the most adverse weather conditions without
letting you down.
Supplied with eyepiece lens caps, semi-attached
objective lens caps and in a practical and
convenient carry-case with shoulder strap.
Safety Instructions
• DO NOT use this instrument to view the sun.
This may result in instant and irreversible
personal damage.
• ALWAYS inspect the unit prior to use for
fatigue and damage.
• Using your Binoculars
• Remove lens caps and store them in the carry-
case.
• Set interpupilliary distance by holding both
sides of the binoculars, raise them up to your
eyes and bend them until you see one circle
of view.
• To focus the binoculars whilst sighting on an
object, close your right eye and adjust focus to
suit using the centre focus wheel.
• Looking through your right eye and closing
your left, rotate the right eyepiece until the
object is in focus. Note the setting of the scale
markings on the ring for future use.
• Both eyepieces are now in focus and you will
need to use the centre focus wheel to view
other objects.
• It is recommended that you fold down the
rubber eye cups if wearing glasses and fold up
for use without glasses.
• Maintenance
• ALWAYS use lens covers when not in use.
• Use soft, lint-free cloth to clean the lenses.
• Store the binocular in a moisture free area.
• ALWAYS dry and clean the binocular before
storing for any period of time.
• DO NOT attempt to clean your binocular
internally or disassemble it.
Environment Protection
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and
packaging should be sorted, taken to a recycling centre and disposed of in a manner which is
compatible with the environment. When the product becomes completely unserviceable and requires
disposal, drain any uids (if applicable) into approved containers and dispose of the product and
uids according to local regulations.
Dellonda Limited
Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757575 [email protected] www.dellonda.co.uk
