Wednesday, February 26, 2014

Anamorphic lens for projector?




Tyson


HI; I am still kind of new to the projector world. I purchased my projector in May 2012. The models is Panasonic PT-AE7000. My second screen is a Black Diamond Fixed Series 133" 1.4 G with aspect ratio of 2:35:1. Obviously I've done my homework. What I am curious about is anamorphic lenses. When I looked into them it made me wonder if the price justified it. Most of my Blu Ray content is in 2:35:1 and the zoom feature on the Panasonic stretches the image to fill the frame with obviously loosing resolution. I guess my question is, is it worth getting an anamorphic lens for my setup? By the way the anamorphic lenses I looked at were $2,000 -$3,000 by companies like Panamorph.


Answer
I use a Prismasonic http://www.prismasonic.com/english/description_hd5000m.shtml

Personally I think it's worth it but I've seen others argue in forums that it isn't. You don't really lose resolution by using the magnification you just lose imaging device surface area. A 2.4:1 movie is about 800 lines with the rest of the 1080p being black bars. Scaling just reorganizes those 800 lines to fill the imaging device, it's still 800 lines of information. (it becomes a simulation of 1080p) If you have plenty of lumens from your projector then try it with magnification and see how it looks. If you are marginal on lumens then every little bit helps so using the entire imaging device and an anamorphic lens would help.

Btw, the nice thing about the Prismasonic lenses is that they are adjustable. You don't have to move it out of the way for 16:9 content you just adjust the mirror positions. You can have constant image height on any aspect ratio from 4:3 to your screen aspect ratio of 2.35:1.

Edit: Btw, what are you using for scaling? With a constant image height system you're going to learn to hate the people that make Blu-Ray and DVD. The aspect ratio is all over the map, the Menu is one aspect, previews are all different aspects depending on the movie, the movie is still a different aspect. There isn't much they can do about the previews since every movie can be different but they should at least make the menu and the movie the same. You're going to want to have a one button aspect selection so you can avoid having to dig deep into menus between the top menu and the movie. I use the RS232 input of my Anthem D2 to control aspect through an IR to RS232 device from Industrologic. With RS232 commands I can instantly jump to any scaling setting. You will need to look into your device for this whether you are using the projector, the processor or an external scaler see if you can input scaling commands directly.

mk

Blu Ray is Nothing and 1080p?

Q. First of all I feel that the hd 1080p didn't break in until late 2006. Remember when lcd was the prime and expensive. And Blu Ray and HD DVD were colliding. We all know who the victor is.

Its now 2012 and I hake been hearing talk of this new super HD or UD TV. They call 4K, which suppose to 4 times the resolution of 1080. But forget 4k, we should just jump to 8k Holly COW!

The reg. Standard movie camera is used in 35mm's which is sad to say that most of the quality is wasted to 1080p meaning they have to reformat it and cut or shrink down the true definition and make it small.

I hear those commercials praising Blu Ray as the ultimate highest resolution there is and also for HD TVs.. when really if we had a 4k 120 inch tv affordable around 5 thousand dollars (hypothetical of course) the media would not even support it! Blu-Ray would have to be dual or even quad layered in order to fit a tru 35mm camera definition and don't get me started with the player. The player would need to be more powerful and be back wards compatible.

When DVD came out it was like the biggest thing... but little did I know back then. Lol

So let's see here... 4k kinda = to 35mm, we need a better player and bigger memory device blu ray won't cut it, it would have to be ULTRA Ray lol

And then 8k would be more like 70mm (Imax), oh crap we would have to change EVERYTHING lol

Just Imagine if we had that we would have Nothing to play in that format. They only make Blu Ray in 1080p format so then it would have to be streched hard core making it look aweful lol wow 1080p looking aweful haha

The Market would have start rushing out the next gen formats.

Maybe I don't know what I am saying, I'm probably wrong but as a movie guy I deserve to watch all of the films the way it truly should b intended to watch.

-Jase


Answer
With time, comes changes. As with new technology on it's first year the cost is very high and with time the price drop as more consumer purchasing the product. The first Plasma tv that was introduce was prices at $20,000 plus and Pioneer was the main manufacturer. The first real progress on video for consumers was the Laser Disc also from Pioneer, cost of the disc was in the $30 to $50 dollars. Look at cell phones, today's phone will be a thing of the past in less than a year. The 4K and 8K video will be very expensive, Sony has a projector now that converts current signal to 4K at the price of $25,000. It is on the issue of Home Theater Magazine this month. Onkyo is now offering 4K video processing on the higher end receivers. Yes, it will take time for all those tv stations to convert there system to the 4 or 8 K. Just enjoy what ever comes out. I have over 1,000 Laser Disc in my collection, along with 1,000 DVD and 300 Blu Ray disc. Played on a 106" projector screen from a Panasonic 1080P projector, along with a 65" and 50" Panasonic Plasma tv and a 37" Panasonic LCD tv. At this time, it is all being displayed at the Las Vegas Consumer Electronic Show. Hope this will help you out.




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