to walk with a first generation scope,could i see anything at a distance of a 1-2 meter.I want to do some metal detecting with a scope.Could i see a coin on the ground? Please tell me ,what do you think?
thank you very much
REPLIED: December 05 10:33:23, 2009 ( 00: AM PST )
It‘s not going to be as easy as you might imagine... Everything is going to be the same color, but if you have an illuminator, then sure... I can‘t see why this wouldn‘t work. A cheap head-mounted Gen1 would be fine for what you‘ve described... Any reason you‘re doing this in the dark ? ( It might help with the advice )
David
REPLIED: December 05 18:17:24, 2009 ( 00: AM PST )
i was thinking at a monocular(first generation) ,and i said scope.sorry for that
Want to hunt on the beach and avoid all the homeless people and insects attracted to the light
REPLIED: December 06 21:14:41, 2009 ( 00: AM PST )
You could tell a coin by it‘s reflectivity and shape.
Most gen 1 scopes can see moonlight in the visible wavelengths and IR illuminators form 700 to 900 nm ok. Most have about the resolution of a standard TV or better. They will have poor depth of field because of the fast lens. Most hand held viewers have focus adjustment from a couple of feet to infinity but check before you buy. The light source can be moonlight, city lights around urban areas, a filtered incandescent flashlight, IR LEDs, or an IR Laser. Lasers are only an advantage at very long range with a telephoto lens, not for walking around.
For walking around you need close to 1x magnification. 2x or over makes walking difficult. There‘s only a little advantage of using two eyes whether it uses one or two objective lenses. Mostly that relates to eye fatigue. Binocular vision may help to avoid brush if walking in wooded areas. The big advantage of a Gen 3 is that you only occasionally need an illuminator and you can see long distances. That‘s good for picking routes but not much different for avoiding tripping over objects on the ground.
You will not be able to distinguish color. A penny will look about the same as nickel or dime or a bottle cap.
Why not just use a shielded flashlight? See the attached URL. You can then see in color with your eye‘s full resolution. It‘s unlikely for anyone over about ten yards away to notice you if you use the "glare guard" or "sharp spot" accessory. I think it‘s harder for others to see than the glow around your eye using an intenisifer if you wear glasses and a lot easier to walk with. The intensity needs to be just enough for you to see in color. If I was looking for objects on the ground near me and didn‘t want to be noticed I‘d use it in favor of my Envis Gen III intensifier. The light‘s 4 lumens is more than needed. With the spot lens you can read street signs at 100+ feet. It‘s the shielding so it only illuminates a small area which makes it stealthy.
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