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Author
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Topic: Lens sizes
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Aaron Sisemore
Flaming Ribs beat Reeses Peanut Butter Cups any day!
Posts: 3061
From: Rockwall TX USA
Registered: Sep 1999
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posted 10-02-2002 11:10 AM
First off, I am going to assume that you are going to properly mask down that 6x6 (square) screen to get a proper aspect ratio for both flat and scope (common width). To not do so would be inviting ridiculous image cropping.With a common width assumption in mind, I get the following numbers for a 18' throw: 1.85:1 Flat: 63mm (60 would be your closest next size) for a 6'x3'3" picture. 2.39:1 Scope: 125mm for a 6'x2'7" picture. You may also have to modify the B&L anamorphic to get it to focus at 18 feet. Also, IMO, I would avoid ICECO like the plague. -Aaron
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Manny Knowles
"What are these things and WHY are they BLUE???"
Posts: 4247
From: Bloomington, IN, USA
Registered: Feb 2002
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posted 10-02-2002 03:22 PM
If you are buying old technology or any other used stuff, you have to be picky no matter who you are buying from.FWIW, I have had a number of good experiences with ICECO on four installations and several upgrade projects. In those instances where something was not to my satisfaction, I found them to be eager to make things right. My intention here is not to disagree with Aaron. He has helped me out on this website by providing really useful information a number of times. I respect Aaron. The folks at ICECO have become friends of mine over the years and I would not feel right if I let a negative comment sit out there alone when I know I have had a different experience. I just felt I had to weigh in from my own perspective. ~Manny (fighting for truth, justice and the American way).
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Aaron Sisemore
Flaming Ribs beat Reeses Peanut Butter Cups any day!
Posts: 3061
From: Rockwall TX USA
Registered: Sep 1999
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posted 10-02-2002 04:02 PM
Of late, I have had more bad experiences than good dealing with ICECO.If they could deliver on my needs and not beat around the bush and procrastinate (case in point: a pair of Norelco DP75 70mm spindles that I have been needing for a client since frigging LAST YEAR, they originally claimed to have some in stock, and I still have neither answers nor spindles, they keep saying that they will 'check the warehouse', yada yada...) then I would be happy as all get-go with them. They have delivered on getting us lenses in a pinch in the past. I was very satisfied, and thats one of the reasons I went to ICECO looking for these spindles. Until I see better service from ICECO, I cannot recommend them to anyone. -Aaron PS: Shortly after posting the above commentary, I decided to give ICECO one final try re: the DP75 spindles. I spoke to Dara, who will check the warehouses one final time, and she says she will call me back with a 'yes' or 'no' answer, which I will accept, and at that time I will withdraw any negative opinions I have with the company. -AS
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Aaron Sisemore
Flaming Ribs beat Reeses Peanut Butter Cups any day!
Posts: 3061
From: Rockwall TX USA
Registered: Sep 1999
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posted 10-03-2002 12:20 AM
The front of the lens has to be disassembled and a small section cut off of it. There might be a site that gives more detail (possibly in the manuals section here even) on exactly what has to be done.'Flat' these days implies an aspect of 1.85:1. Usually the other non-anamorphic 35mm rations are identified by their ratio (1.66, 1.75, 1.37) rather than generically as 'Flat' Virtually all non-anamorphic films (unless specified otherwise) are intended to be projected at 1.85:1 aspect. Many are also hard-matted at their respective aspect which would result in 'letterbox' effect if projected at 1.37:1 -Aaron
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Sam Hunter
Jedi Master Film Handler
Posts: 779
From: West Monroe, LA, USA
Registered: Jan 2002
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posted 10-03-2002 11:44 AM
Aaron, there is only one way to change the focal length of these lense and that was easily accomplished, now whether or not it will focus sharply at that short a distance is another thing. Anyway I will be checking with Iceco anyway as I have had good dealings with them so far. Thanks so for the info guys.P.S. Aaron, what kind of brew are you holding in your pic? ------------------ Samual Hunter Sr. KC5ZSL
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Aaron Sisemore
Flaming Ribs beat Reeses Peanut Butter Cups any day!
Posts: 3061
From: Rockwall TX USA
Registered: Sep 1999
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posted 10-03-2002 08:10 PM
Glad you got that lens to work out.As for the Romulan Ale: It doesn't taste too bad, it is a mildly hoppy pale ale with a twist: it's dyed blue (for authenticity to the 'Romulan Ale' on Star Trek). It's made in El Salvador for Viacom Licensing Corp. and the only place (besides Ebay) I have ever seen it for sale has been the 'Star Trek Experience' at the Las Vegas Hilton (where the pic of me was taken). They also have it and several other 'Star Trek inspired' brews on tap there. -Aaron
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