The Callaway Micro Prism rangefinder combines a 300-yard published maximum range with 6× magnification and a published accuracy of ±1 yd. Its feature set includes slope compensation. The published flag range is 300 yards, equal to 100% of the total ranging claim. Derived comparison data works out to 81.1 yd of range per ounce, 65/100 portability efficiency and 3/100 range efficiency.
Golf rangefinder specifications
Callaway · Micro Prism · Laser
Year: 2019Max range: 300 ydMagnification: 6×Accuracy: ±1 ydWeight: 3.7 oz
3.7 ozWeight
Rangefinder benchmarks
How this model compares
Benchmarks compare this rangefinder with the other dense-spec models in this database.
Maximum range
Below average
300 yd
Weight
Above average
3.7 oz
Magnification
Near average
6×
Portability efficiency
Above average
65/100
At a glance
Rangefinder profile
Slope compensationYes
GPSNo
StabilizationNo
Cart magnetNo
RechargeableNo
Weather ratingNot published
Overview
Model information
| Manufacturer | Callaway |
|---|---|
| Model | Micro Prism |
| Category | Golf Rangefinder |
| Release year | 2019 |
| Status | Legacy |
| Rangefinder type | Laser |
Derived numeric specs
Useful comparison metrics
These figures are calculated from the published measurements above to make size, range and portability easier to compare.
Range & portability efficiency
Range per ounce81.1 yd/oz
Flag range per ounce81.1 yd/oz
Flag range vs total100%
Body volume13.1 cu in
Range per cubic inch22.9 yd/cu in
Compactness index98/100
Portability efficiency65/100
Range efficiency3/100
What the numbers mean
Search profileslope rangefinder
Portability classUltralight
Range classShort-range
Feature classSlope laser
Best forElevation-heavy courses
Full specifications
Technical details
Laser & ranging
Maximum range300 yd
Flag range300 yd
Minimum rangeNot published
Accuracy±1 yd
Measurement speedNot published
Scan modeNot published
Flag lockYes
Lock feedbackNot published
Optics & display
Magnification6×
Objective lensNot published
Field of viewNot published
Eye reliefNot published
Exit pupilNot published
DisplayLCD
Display colorNot published
Diopter adjustment±4
Slope, tournament & smart features
Slope compensationYes
Slope toggleYes
Tournament legalYes with slope disabled
Tournament indicatorNot published
Image stabilizationNot published
GPS built inNot published
BluetoothNot published
Smartphone appNot published
Power, size & protection
Battery typeCR2 3V
RechargeableNo
Battery lifeNot published
Charging portNot published
DimensionsDimensions or weight not fully published
Weight3.7 oz / 105 g
Water ratingNot published
Warranty2 years
Derived comparison
Practical rangefinder snapshot
Calculated from the published specifications to make range, size and portability easier to compare.
Short-rangeRange class
UltralightWeight class
Standard 6×Magnification class
81.1 yd/ozRange per ounce
98/100Compactness index
100%Flag / total range