This is a special order item. Est. arrival at B&H is 7-14 days (subject to availability). Your order will be charged at the time of shipment.
The Spectra Candela IIA- SP Spot Photometer, Model 310 is a high-end illuminace meter designed to yield precise measurements in low light scenarios. The meter consists of hybrid integrated circuitry with its large back-lit LCD display.
The meter is activated by depressing one button with the results being displayed on the easy-to-read LCD. These results read out from 0.1 to 70,000 foot-candles and 1 to 100,000 lux. This range encompasses light levels from low indoor lighting to very bright sunshine. The dual memory stores readings for future use.
For the more demanding user, this meter can calculate contrast ration as well as the average of your given lighting scenario.
By adding the 1° Spot Attachment (PS-305), the meter's capabilities are increased many fold. This easily mountable attachment adds a dimension to the system that other, simpler meters cannot provide.
| Measuring System | Hand-held spot photometer for measuring illumination intensity and luminance/brightness measurements with 1° PhotoSpot attachment; Electro-luminescent lamp for viewing displayed measurements at very low light levels |
| Measuring Modes | Foot-candles and lux |
| Receptor Head | Silicon Photodiode with filter |
| Aperture/Shutter Priority | Not Applicable |
| Display Readout |
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| ISO Range | Not Applicable |
| f/Stop Display Range | Not Applicable |
| Shutter Speed - Ambient | Not Applicable |
| Shutter Speed - Flash | Not Applicable |
| EV Range (ISO-100) | Not Applicable |
| Cine Speeds | Not Applicable |
| Exposure Memory | Can store up to two readings in meter memory with store/recall switch |
| Shadow/Highlight Calculation | Not Applicable |
| Brightness Difference | Calculates ratio of two readings from l.0:l to 999:I. in fc or fl |
| Flash to Ambient Ratio | Not Applicable |
| Multiple Flash | Not Applicable |
| Exposure Calibration | Calibration is traceable to the National Institute of Standard Technology (NIST); NIST traceable calibration certificate included |
| Power Source | One 6 volt battery #A544, PX28L, PX28 |
| Dimensions | 5.5 x 2.5 x 2" (14 x 6.4 x 5cm) |
| Weight | 6oz (170g) |