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G8MNY > TECH 24.07.22 08:46l 44 Lines 1650 Bytes #999 (0) @ WW
BID : 26018_GB7CIP
Read: GUEST
Subj: InfradCamera Trick
Path: IZ3LSV<ED1ZAC<GB7CIP
Sent: 220722/0543Z @:GB7CIP.#32.GBR.EURO #:26018 [Caterham Surrey GBR]
From: G8MNY@GB7CIP.#32.GBR.EURO
To : TECH@WW
By G8MNY (New Mar 15)
(8 Bit ASCII graphics use code page 437 or 850, Terminal Font)
Years a go I did an IR camera trick with on old low light camera that could see
IR.
ÚÄÄÄÄÄÄÄÄÄÄ¿
³ ³ ÚÄÄÄÄÄ¿__ Ú-----------------¿
³ ÃÄ´ ³__³|| | Infra /~~~\ |
³ ³ ÀÄÂÄÂÄÙ | Red ³glass³ | \_/ Normal
³ ³ /³\ | text \___/ | Ä( )Ä Incandecent
ÀÄÄÄÄÄÄÄÄÄÄÙ / ³ \ Rotatable À-----------------Ù /~\ Light Source
TV IR Poloroid Nearly Black Heatshield
Monitor Camera Filters Purple Box Glass Disk
With the above set up the polorize sunglass filters, can let in, or null out
visable light. So you either, see the black box, or see through it!
ÚÄÄÄÄÄÄÄÄÄÄ¿
³ ÜÜÜÜÜÜÜÜ ³ ÚÄÄÄÄÄ¿__ Ú-----------------¿
³ ÛÛÛÛÛÛÛÛ ÃÄ´ ³__³|| | Infra /~~~\ |
³ ÛÛÛÛÛÛÛÛ ³ ÀÄÂÄÂÄÙ Filter | Red ³glass³ |
³ ßßßßßßßß ³ /³\ set for | text \___/ |
ÀÄÄÄÄÄÄÄÄÄÄÙ / ³ \ daylight À-----------------Ù
When you see through it, you read the Infra Red text pre |
