- Full size base plate
- Silva 1-2-3 system
- non-slip silicon feet on base plate
- 1:25000 and 1
- 50000 romer scales
- inch scale
- millimetre ruler
- luminous markings for night navigation
- magnifier
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Product Description
Manufacturer's Description
Baseplate compass with almost everything. Magnifier, millimetre and inch scales. Romer scales: 1:50.000 1:25.000. A compass with extra functionality for GPS users.
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Customer Reviews
Most Helpful Customer Reviews
20 of 20 people found the following review helpful
Feature packed, along with a good map you're away! Clearly marked in degree's (the other military type has Mils too) the liquid damped needle is accurate and reliable - as long as you keep it away from ferrous, magnetic objects or power lines! The 3 romers make for accurate grid reference taking on 1:25,000(2 1/2" to 1 mile); 1:50,000(1 1/4" to 1 mile) & 1:63,000(the old 1" to 1mile) scales. The magnifier is useful when looking at fine detail and the luminous markings are used in the dark. A recessed shaped hole for a neck string is well positioned and there are cm & inch graduations around the edges. Full info on useage can be found on web sites including Silva's own.
The best of the best! You don't really need a sighting compass and this is more robust.
The best of the best! You don't really need a sighting compass and this is more robust.
43 of 44 people found the following review helpful
I own a collection of compasses but, while all their needles point reliably north, this is my best one.
Distances are easier to measure courtesy of the romer scale for all map scales (including the increasingly popular 1 : 40,000 used by Harveys). It also has luminous markings, making it ideal for night navigation - you can see instantly when the 'red is in the shed'.
Its not the cheapest option but what's a few quid for an easier life?
Distances are easier to measure courtesy of the romer scale for all map scales (including the increasingly popular 1 : 40,000 used by Harveys). It also has luminous markings, making it ideal for night navigation - you can see instantly when the 'red is in the shed'.
Its not the cheapest option but what's a few quid for an easier life?
9 of 9 people found the following review helpful
I use the Silva primarily for hill walking using 1:25,000 OS maps. Before I purchased, I did some research into the features you need on a compass (and those you don't) ... and the Expedition 4 fits the bill perfectly. The in-built Romer scales are very handy, and as a previous reviewer has pointed out the rubber feet are surprisingly effective.
As for the luminous markings... a quick tip my father taught me from his time in the army... hold these closely to a bright light source (as close as you can without fear of melting!). Do this for about 30 seconds and hey presto....the glow will become significantly brighter. A domestic 100w light bulb will work best (before you set off) but a car headlight or even a bright torch will also work if you're out in the field. The effect is only temporary, but its amazing the difference this can make to the glow (potentially saving your night vision later on).
Oh, and if you need to brush up on your map and compass skills, I can recommed the following book:-
Map and Compass: The Art of Navigation (Cicerone Techniques)
As for the luminous markings... a quick tip my father taught me from his time in the army... hold these closely to a bright light source (as close as you can without fear of melting!). Do this for about 30 seconds and hey presto....the glow will become significantly brighter. A domestic 100w light bulb will work best (before you set off) but a car headlight or even a bright torch will also work if you're out in the field. The effect is only temporary, but its amazing the difference this can make to the glow (potentially saving your night vision later on).
Oh, and if you need to brush up on your map and compass skills, I can recommed the following book:-
Map and Compass: The Art of Navigation (Cicerone Techniques)
Most Recent Customer Reviews
Part of the kit
This is a piece of kit that is a must if you are on an unfamiliar hill and the mist descends. A map and compass are fine, but make sure you know how to use them before you really... Read more
Published 20 days ago by PeteB
Compass points North
Purchased to replace a similar compass which had become re magnetised, North had become South, it is the main model and very useful. Read more
Published 27 days ago by Emanuel
A great compass
I acquired a Silva compass (a previous version of the 4-360) when I first became a Scout more than 50 years ago and had used it regularly since. Read more
Published 1 month ago by A. G. Sandell
Just the business
Over the years I have used many, many types of compass but there is little doubt that the Silvia Expedition 4-360 is the best I have ever used by far. Read more
Published 1 month ago by JM
Good
It was packed well and good in general. The price is much cheapter than from the shop. I am very happy with quality of the product. Read more
Published 2 months ago by Juan Guan
The best compass you can buy
This is the best compass, in my opinion, that you can buy. it's easy to use and accurate, and the length of the base is perfect for taking bearings. Read more
Published 4 months ago by frankie ampton
Very practical compass
This is my 3rd Silva compass. Had to order a third one after the one I'm using has somehow damaged ? It's not pointing to North anymore. Read more
Published 5 months ago by Spana
Silva compass
Brought this for my grandson who is big iinto Orrianteering. He says it is brill and very happy with its features, so a thumbs up for this product, 100% satisfaction and a great... Read more
Published 5 months ago by vintage 54
Best for finding your way!
This nifty compass is very well designed to prevent you from getting lost. I luckily had it with me this summer when I went hiking in the States and since the trails had been quite... Read more
Published 6 months ago by EvansJJ
Expidition 4
I started a navigation course and this was the recommended compass. It works as well as I expected it to. Read more
Published 7 months ago by Jonnyv
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