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Mounted Absorptive Neutral Density (ND) Filters appear gray in color and reduce the amount of light reaching the camera's sensor. Since the transmission value only varies over a small percentage in the visible, there is no effect on color balance. Instead of just stopping down the lens aperture due to high light levels, ND filters allow for wider apertures which can be used to decrease the depth of field. This allows the important information to be separated from the background. Mounted Absorptive Neutral Density (ND) Filters, compared to polarizing filters, are ideal for overall light reduction in cases of extreme light intensity. By stacking filters, it is possible to achieve other Optical Density (OD) values. All mounted filters can be threaded together with identical male and female threads on each mount. Optical Density exhibits an additive relationship; for example, stacking filters with OD values of 0.6 and 0.9 yields a resultant density of 1.5. The Optical Density (OD) is related to the transmission by the following equation: T = 10-D x 100 = percent transmission.
Filter Thread | Optical Density OD (Average) | Transmission (%) | 比較 | 庫存號碼 | 價格 | Buy | |
---|---|---|---|---|---|---|---|
M22.5 x 0.50 | 0.3 | 50 |
#59-162
Clearance
|
NT$1,925 Qty 10+ NT$1,829 Request Quote |
|
||
M22.5 x 0.50 | 0.6 | 25 |
#59-167
Clearance
|
NT$1,925 Qty 10+ NT$1,829 Request Quote |
|
||
M30.5 x 0.50 | 0.9 | 12.5 | #59-174 | NT$2,380 Qty 10+ NT$2,261 Request Quote |
|
||
M37 x 0.75 | 0.6 | 25 |
#59-170
Clearance
|
NT$2,380 Qty 10+ NT$2,261 Request Quote |
|
||
M39 x 0.50 | 0.9 | 12.5 |
#59-176
Clearance
|
NT$2,590 Qty 10+ NT$2,461 Request Quote |
|
||
M40.5 x 0.50 | 0.6 | 25 |
#54-732
Clearance
|
NT$278 Request Quote |
|
||
M46 x 0.75 | 0.9 | 12.5 |
#54-740
Clearance
|
NT$1,083 Request Quote |
|
||
M49 x 0.75 | 0.3 | 50 |
#54-729
Clearance
|
NT$1,083 Request Quote |
|
||
M49 x 0.75 | 0.6 | 25 |
#54-735
Clearance
|
NT$1,083 Request Quote |
|
||
M49 x 0.75 | 0.9 | 12.5 |
#54-741
Clearance
|
NT$1,083 Request Quote |
|
||
M52 x 0.75 | 0.3 | 50 |
#54-730
Clearance
|
NT$1,223 Request Quote |
|
||
M55 x 0.75 | 0.3 | 50 |
#65-014
Clearance
|
NT$1,363 Request Quote |
|
||
M55 x 0.75 | 0.6 | 25 |
#65-018
Clearance
|
NT$1,363 Request Quote |
|
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