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A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses (dioptrics) and curved mirrors (catoptrics). Catadioptric combinations are used in focusing systems such as searchlights, headlamps, early lighthouse focusing systems...

Both!

Shahed-149 UCAV Specifications (Shahed-149A): General characteristics Crew: 0 onboard, 2 in ground station Length: ~11 m Wingspan: 21 m Height: Unknown Empty weight: Unknown Max takeoff weight: Unknown Fuel capacity: Unknown Payload: Unknown Internal...

So what can i say ...

Because you don't accept to be polite when you talk about my people! In fact i don't need you to get banned because i believe everyone should be able to express their opinion! But you don't do that in a respectful way bro. You are just angry ! I can understand maybe someone here insulted you...

Bro you are wasting your time with him! Why? What a random guy knows about rockets? The answer is simple! Nothing 🙄 Look at this picture: For God's sake why we need to develop a buried launch system like that when we can launch our ballistic missiles from our underground facilities with...

@waz He is insulting Iranians continuously and there is no action from PDF moderation team!

Yeah ! haghighat came from hagh which is Arabic ! So technically he is a pakistani turkish persian arabic noob ! 🤔

The most interesting part is his profile name: Hakikat ve Hikmet Which is actually Persian: Haghighat va Hekmat ! حقیقت و حکمت

Don't look at everything one sided... I can understand your point! But is it matured and dependable enough?

Yeah... Iron dome is good! It's true they missed some incoming rockets but we should not dismiss the fact that they did a really good job against Palestinian rockets (Which they designed for) Yeah ... such a big *** drone with a turboprop engine is just easy to target but we should remember...

PT-6 is widely available in civilian markets! It's not a big deal...

358 is a real stunner.

People can clearly see your personality! No need to add anything... 😎🍺

Prototype powered by P&W Canada PT-6 (unknown version)

You are crying like a five years old kid asking the papa for helping! USA/UK/... are responsible for your current situation not Iran! We are just trying to keep our homeland safe from the ISIS updated versions around middle east ... You are not an intelligent person unless you would...