Join the #1 community for gun owners of the Northwest
We believe the 2nd Amendment is best defended through grass-roots organization, education, and advocacy centered around individual gun owners. It is our mission to encourage, organize, and support these efforts throughout Oregon, Washington, Idaho, Montana, and Wyoming.
Discuss firearms and all aspects of firearm ownership
Join others in organizing against anti-gun legislation
Find nearby gun shops, ranges, training, and other resources
Discover free outdoor shooting areas
Stay up to date on firearm-related events
Share photos and video with other members
...and much more!
optics
Optics is the branch of physics which involves the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behaviour of visible, ultraviolet, and infrared light. Because light is an electromagnetic wave, other forms of electromagnetic radiation such as X-rays, microwaves, and radio waves exhibit similar properties.
Most optical phenomena can be accounted for using the classical electromagnetic description of light. Complete electromagnetic descriptions of light are, however, often difficult to apply in practice. Practical optics is usually done using simplified models. The most common of these, geometric optics, treats light as a collection of rays that travel in straight lines and bend when they pass through or reflect from surfaces. Physical optics is a more comprehensive model of light, which includes wave effects such as diffraction and interference that cannot be accounted for in geometric optics. Historically, the ray-based model of light was developed first, followed by the wave model of light. Progress in electromagnetic theory in the 19th century led to the discovery that light waves were in fact electromagnetic radiation.
Some phenomena depend on the fact that light has both wave-like and particle-like properties. Explanation of these effects requires quantum mechanics. When considering light's particle-like properties, the light is modelled as a collection of particles called "photons". Quantum optics deals with the application of quantum mechanics to optical systems.
Optical science is relevant to and studied in many related disciplines including astronomy, various engineering fields, photography, and medicine (particularly ophthalmology and optometry). Practical applications of optics are found in a variety of technologies and everyday objects, including mirrors, lenses, telescopes, microscopes, lasers, and fibre optics.
As the description states I have a Leupold VX-5HD 3-15x44 CDS-ZL2 - 30mm - Side Focus - Wind-Plex scope for sale.
This scope retails for $1000 + tax & shipping, so looking to get close to that back so I have listed at $850
I own another of these scopes that I have mounted on a 30-06 hunting...
I bought this optic for use on my AR, but went a different route. It’s been mounted and briefly used, but is basically new. I am including 2 new batteries, plus the one in the optic. Comes with everything that was in the box when I bought it, including the box. I’m looking to get $150 for it and...
I have a Vortex Ranger 1800 range finder for sale.
I've used this a few times to get distance on some of my longer range shots.
I don't use it enough to justify owning it.
The life time warranty transfers to the new owner. (I haven't had to use Vortex's warranty yet.)
I'm asking $300
New in the box, Ive only taken it out to install the battery. Ended up going a different route and its just been sitting on top the safe.
260.00 on Amazon https://tinyurl.com/ybtt3abs
I'll take 240.00 and save ya the tax. Prefer face to face. Im in Kent WA, willing to drive a few...
*Bumping this thread from earlier this year*
Thinning the AK herd a bit to make some room. I'm in the Oregon City area so around there is ideal for a pickup but I'm flexible.
SGM Vepr-12 12rd mag - $50
PMag MOE 7.62x39 - $15
WBP Complete AK recoil spring assembly - New - $40
Romanian AK Drum...
Used Barska and AIM 4x32 scopes plus a pile of 1" rings.
As seen in photos, as is, meet in Newberg.
I just got these and I have no use for them, hopefully someone here does.
$40 for everything picked up in Newberg.
Selling a lightly used Trijicon MRO Red Dot. It's in great condition, and runs perfectly. It comes with its original Trijicon hard case, manuals, cleaning cloth, and a scope coat. I'm selling because I'm getting an aimpoint T2. This is 1 of 2 MRO's I will be listing here within the coming weeks...
Purchased this recently from a community member, more or less an impulse buy. Very good condition and a great optic, just a bit heavy for my liking. I do not have the box unfortunately and am saving up for something else. No trades at the moment, maybe willing to do a split with ammunition...
Binos have never been used in the field are in pristine condition. Comes in the original box with all original contents. Glass must be seen to be believed at this price point. Selling only to fund other projects. PM or text Scott @ 805-443-1391 with questions or offers...
Need to sell an My current eotech, it had seen about 2000 rounds, still works and functions very well. I am saving up for another optic at the moment and could use the cash. Willing to throw in some extras for those who can pick it up from me. Daniel Defense stock and grip that came with my M4a1...
Pristine Swarovski 10 x 42's. I am original owner and took advantage of the Lifetime Warranty feature to have them serviced. There were no problems but the factory serviced anyway and I have the checklist of all adjustments and service completed.
These are very lightly used and ready to...
Mounted, but likely never used.
Excellent condition, no marring from rings, etc.
3-9x40, duplex reticle
$40
located in Vancouver, can meet in NE PDX Sundays, not interested in shipping this one
As the tittle says I have a 1972 Colt Nickel Plated 1911! It has never been fired takeing up much needed room in my safe! It comes with original box, trigger tag, magazine, paperwork ect.(see pics)
I am looking to sell or trade. I am asking $1900 cash or comparably price high end optic...
Magpul M-Lok BiPod, model #MAG933-BLK.
Used like new. Another take off from a rifle project I never shot.
$80 cash, check, VenMo, Paypal Friends and Family, or Cash App. Meet FTF in Salem at my shop M-F 7am-noon or I can ship in the Pacific Northwest by USPS for $5.
Interested parties send...