here are the parts i have in my hand
1)bulb:
2 x osram HQI BT400/D with ballast for 125.00 SGD= 87.1747 USD
Details:
http://www.lumenlab.com/forums/index.php?a...st&id=23661
just the bulb is with me nw.
i tried to strip one of the second hand Acer al1516W and got it cracked.
anyway i will now try to go for another 15"monitor but not the widerscreen .since widerscreen Fresnel lens is not available in my local market.
here is what i can see in the local market:
TECHNO-COMMERCIAL DETAILS FOR OHP COMPONENTS
I) FRESNEL CONDENSER LENS (FOR NORMAL OHP) :
(a) SIZE : 285mm X 285mm
(
FOCAL LENGTH : f = 216mm&343mm© THICKNESS : t = 4.0mm
(d) PITCH : p=0.5mm
(e) PRICE EX-WORKS : Deluxe quality – Rs 950/- (incl. Pkg.+ins.) 950.00 INR =19.9511 USD
II) FRESNEL CONDENSER LENS – A4 SIZE
(a) SIZE : 310mm X 310mm
(
FOCAL LENGTH : f = 216mm/343mm© THICKNESS : t = 4.0mm
(d) PITCH : p=0.5mm
(e) PRICE EX-WORKS : Deluxe quality – Rs 1100/- (incl. Pkg. Ins.) 1,100.00 INR=23.1043 USD
III) SINGLE FRESNSEL LENSES – A4 SIZE
(a) SIZE : 310mm X 310mm
(
FOCAL LENGTH : f = 216mm OR 343mm© THICKNESS : t = 2.0mm
(d) PITCH : p = 0.5mm
(e) PRICE EX-WORKS : Rs 650/- (incl. Pkg.)650.00 INR=13.6526 USD
IV) SINGLE FRESNSEL LENSES – NORMAL
(a) SIZE : 285mm X 285mm
(
FOCAL LENGTH : f = 216mm OR 343mm© THINKNESS : t = 2.0mm
(d) PITCH : p = 0.5mm
(e) PRICE EX-WORKS : Rs 550/- (incl. Pkg.) 550.00 INR=11.5482 USD
V) MENISCUS LENS :
(a) SIZE : 89mm
(
FOCAL LENGTH : 11 inch© CENTER THICKNESS : 10.20 mm
(d) PRICE EX-WORKS : Rs 450/- (incl. Pkg.) 450.00 INR=9.44856 USD
VI) TRIPLET LENS- THREE ELEMENT PROJECTION LENS
(a) BARREL DIA : 74mm
(
F # : 5.2© EFL : 315 mm
(d) PRICE EX-WORKS : Rs 1350.00/ 1,350.00 INR=28.4490 USD
VII) GLASS CONDENSER LENS
(a) SIZE : 60mm dia (39mm rad.. 40mm width)
(
FOCAL LENGTH : 75mm© CENTER THICKNESS : 15 mm
(d) PRICE EX-WORKS : Rs 450/- 450.00 INR=9.45658 USD
so for my 15" lcd diy projector i can easily choose
at a very cheap costII) SINGLE FRESNSEL LENSES – A4 SIZE
(a) SIZE : 310mm X 310mm
(
FOCAL LENGTH : f = 216mm and 343mm© THICKNESS : t = 2.0mm
(d) PITCH : p = 0.5mm
(e) PRICE EX-WORKS : Rs 650/- (incl. Pkg.)650.00 INR=13.6526 USD
and
VI) TRIPLET LENS- THREE ELEMENT PROJECTION LENS
(a) BARREL DIA : 74mm
(
F # : 5.2© EFL : 315 mm
(d) PRICE EX-WORKS : Rs 1350.00/- 1,350.00 INR=28.4490 USD
I never heard about fresnel condenser lens.i need help regarding this.
1)Difference between FRESNEL CONDENSER LENS and SINGLE FRESNSEL LENSES?
2)Can i use Glass condenser lens with my bulb for my 15" like the one in supra s 10.6" standard lens high-def long throw ?
http://www.lumenlab.com/forums/index.php?s...18526&st=25
3)if i use FRESNEL CONDENSER LENS i think there is no need for the fresnel 220FL which is used before the LCD?is it a better option?
4)also i dont have clear idea about meniscus lens?
comments will be much appreciated.