 |
Double-convex
Lenses (DCX)
|
Double-Convex lenses are lenses which have two outward
curving faces. Their faces may be symmetric or they
may have one curve sharper than the other.
Double-Convex Lenses have a positive focal length
(F.L.) and will act as a mgnifying or condensing
lens. |
|
|
ITEM
|
Diameter
|
Focal Length
|
|
ITEM
|
Diameter
|
Focal Length
|
|
#3501
|
38mm
|
50mm
|
|
#3531
|
50mm
|
50mm
|
|
#3502
|
38mm
|
100mm
|
|
#3532
|
50mm
|
100mm
|
|
#3503
|
38mm
|
150mm
|
|
#3533
|
50mm
|
150mm
|
|
#3504
|
38mm
|
200mm
|
|
#3534
|
50mm
|
200mm
|
|
#3505
|
38mm
|
300mm
|
|
#3535
|
50mm
|
300mm
|
|
 |
Double-concave Lenses
(DCV)
|
|
Double-Concave lenses have two inward curving surfaces,
nagative focal length (F.L.) and act as reducing
or dispersing lenses. |
|
|
ITEM
|
Diameter
|
Focal Length
|
|
ITEM
|
Diameter
|
Focal Length
|
|
#3602
|
38mm
|
-100mm
|
|
#3632
|
50mm
|
-100mm
|
|
#3603
|
38mm
|
-150mm
|
|
#3633
|
50mm
|
-150mm
|
|
#3604
|
38mm
|
-200mm
|
|
#3634
|
50mm
|
-200mm
|
|
