great all purpose laser, the Jasper Now can be used indoors for
presentations yet is powerful enough for effective astronomy use.
The Jasper Now works on a momentary push button. You must push
and hold the power button for the laser to work, which makes it
ideal for presentation pointing or hand-held astronomy pointing.
If you need short bursts of light, the Jasper Now is a great choice.
The Jasper Always is hand-tuned to 4mW — <5mW, making
it 2-3 times brighter than comparable green lasers. Only the Jasper
Curve promises more power.
Green lasers are great for astronomy, but did you know ordinary
AAA-batteries lose most of their strength when the weather gets
cool — even below 60°? That’s why the Jasper Always
works on a special 3 volt lithium battery that can handle cooler
temperatures. Ideal for astronomy and other outdoor uses, the
Jasper Now retains it’s strength even on chilly nights.
APC measures and maintains beam strength at a constant level,
allowing you to leave your laser on as long as you want. Other
lasers will ruin if you leave them on longer than a minute or
The Jasper Now works great for presentations in rooms large and
small. Take it outside for astronomical use. This laser won’t
Power: Hand tuned to between 3.75 – < 5mW
Range: To 25,000 ft reflected, 20 miles head on, depending
on atmospheric conditions
Supply: One 3V, Type 123A lithium battery good for 6 –
9 hours of typical use (one battery is included)
Dimensions: 4.2” length x .75” diameter, 0.15
lbs (inc. battery)