Optics

Anything from lenses to polarizors
Longwing
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A question of focal lengths and replacement Fresnels
Replies
8
Views
2K
Longwing
Longwing
W
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Process Lens
Replies
0
Views
1K
Whatmo
W
M
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an old ohp i purchased
Replies
2
Views
1K
Guy Grotke
Guy Grotke
O
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Sandwiching Fresnel vs Not?
Replies
1
Views
1K
Guy Grotke
Guy Grotke
corryn00
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i need your guys help with this lens!
Replies
39
Views
11K
Guy Grotke
Guy Grotke
D
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Cutting Fresnel to Size Changes Focal Length ?
Replies
1
Views
1K
Longwing
Longwing
A
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Looking for a good size Bi concave lens
Replies
1
Views
1K
paladin
paladin
1
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cheaper 550mm fresnel lens from China
Replies
13
Views
5K
rlwoodjr
R
G
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lumen lab triplet
Replies
2
Views
1K
goodbyegti
G
W
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IV/UV Hot mirror
Replies
6
Views
2K
Whatmo
W
H
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ANything available for 24 inch LCD ?
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4
Views
2K
goodbyegti
G
B
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Ideal Triplet for 550FL Fresnel, 15" and 17" LCD
Replies
47
Views
8K
Whatmo
W
Q
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Can these lenses be used in a projector
Replies
1
Views
1K
Guy Grotke
Guy Grotke
B
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ATTN UK Projector Makers
Replies
1
Views
1K
benofxtown
B
D
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Increase Your Projected Image
Replies
4
Views
2K
Deimok
D
D
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DPC 80mm Triplet Focus 15 inch LCD
Replies
5
Views
2K
jcbklyny
jcbklyny
D
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Standard Triplet with 15 lcd Throw?
Replies
4
Views
2K
Guy Grotke
Guy Grotke
R
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Warped Fresnels
Replies
0
Views
1K
ringram
R
D
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Where to buy Condenser Lenses and Reflectors
Replies
9
Views
4K
gunvald
G
TheNoodPoopler
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Projection Lens Help!!!
Replies
5
Views
2K
oddi
O
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