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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.
Seems like a great deal. I already have a nice set of bino's but these will make a great backup/loaner set.
Vortex Optics Raptor 6.5x32 Porro Prism Binocular
Been collecting and hoarding stuff for too long lol
M1A stuff
$20 each, 8 Springfield m1a GI magazines
(20 Rd, 'LE/Govt' on most, checkmate, some unmarked)
$25 each, 2 Eagle SR25 double mag pouches
$80, Sage EBR multi tool
Misc AKM parts, used
$70 - Ultimak M2B
$15 - Magpul rail light...
Placed an order from Optics Planet for a Binary Trigger system to be shipped to Oregon. It is the Franklin Armory Binary Firing System III Trigger for most AR Platforms 5550. They removed the trigger system from my order and stated it is not allowed to be shipped to Oregon.
I called their...
*!*DISSIPATOR / TULA AMMO ARE GONE*!*
OPTIC LISTING HAS BEEN RELOCATED
Doing a little spring cleaning and decided I could part with some of this stuff
First we have a PSA 16" Dissipator upper with no bolt carrier group / charging handle.
It's sporting Magpul furniture, and a Mlok QD point +...
My focus on upgrading or obtaining optics took a turn last week. I purchased a scope for a rifle that is not branded by Leupold. I picked up a Primary Arms Raptor to be mounted on my Daniel Defense. The mount is a LaRue SPR. I had a Leupold vari X III 1.5-5 x20 with a number four German style...
Sorry if this is the wrong spot. Dont really know where to post. I am wondering if there is anyone in the portland vancouver area that carries primary arms optics? Specifically the gen 3 1-6 and the 1-6 raptor. I want to see them before i decide if i really want to spend the extra money on the...
I ordered a spotting scope from Optics Planet and in the confirmation email it said "Estimated to ship in 26-37 days" :eek: Ever heard of that? The scope was an old model at a 61% discount.
I guess should have looked at Amazon first as members had said they got the same brand but a slightly...
So, this is maybe not a "Great Deal"...but a "pretty good" deal. Since there is no "pretty good" deal topic...I will post here.
Midways USA has pretty good pricing + 15% off some of there better / more popular scopes (Vortex PST Gen II, with EBR comes in at ~$940);
This is the code I got in my...
I ended up with two of these which normally are on sale for about $140. I've never been a Bushnell fan but I mounted one of these on a new 17HMR and so far very happy for the money. I bought because.
The 3-12 range
It has a side focus parallax adjustment...not common on rimfire scopes but...
Anyone else used any of sigs optics, I bought a Juliet magnifier for my aimpoint and am very impressed by it, super clear and no distortion of the target or dot. Even says designed in Oregon and assembled in USA. I doubt Sig actually makes them, so I wonder who does.
Also has a lifetime no...
During my Spring Cleaning, I found a pile of abandoned optics that need new homes. Won't you think of these poor orphans, and adopt one today?
The oldest of the group is a Weaver #306 No-Drill scope mount for a Ruger MKI/II pistol. Includes a Tasco PDP3 red dot (Made in Japan!) and rings, 5 MOA...
I am curious about the quality and if they are worth it?
Millett LRS-1 1/4 MOA Click Multi-Coated Matte Tactical Rifle Scope BK81004 , Color: Black, Tube Diameter: 35 mm w/ Free Shipping
I just acquired a rifle, it came with a Leopuld vari x 3 4.5-14x40 long range scope on it, reticle has a couple marks below the duplex cross hairs , anyone familiar with how these work? I have found it hard for me to adjust to any reticle other than a mildot , I guess because they are familiar...
Looking for a sunshade for Athlon Optics , Talos 6-24 x 50.
https://www.amazon.com/Athlon-Optics-Argos-Riflescope-Sunshade/dp/B01M1MM77M/ref=pd_lpo_vtph_200_lp_img_2?_encoding=UTF8&psc=1&refRID=BNR5XDQYTBG4ZXHDHVTH
But dont want to pay $37 for a "tube"
Does anyone know if this would this...
I have a set of used but excellent condition Zeiss Victory 10x45 RF Binocs for sale. Alpha Glass. Comes withy the original box, protective case and paperwork/manuals. Glass is perfect condition. Bought these expecting to hunt w them but need the cash. IM for pics. $1,750- Firm on price. No...
Brand new. Never used. $65 (They are $80 and up to $105 new). or trade for powder, redding or forster dies, reloading equip etc
DO NOT MESSAGE ME HERE
PLEASE TEXT ME 347 271 1485
Hello,
I am selling my Bushnell AR Optics Scope. Bought it for $230 or so, found out that I wanted some more magnification. Scope is in near-new condition.
Asking $150.00, will throw in an AR-PEPR mount for free.
Located in North Seattle.