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|
Aperture size |
50mm |
|
Focal length |
190mm |
|
Focal ratio |
f/3.8 |
|
Objective lens |
Quadruplet petzval APO（including one piece of SD glass） |
|
Total length |
147mm(when the dew shield is contracted) |
|
Format specifications |
APS-C format（optimized for 1-inch sensors） |
|
Gross weight（including tube ring and dovetail plate） |
1.4kg |
|
Rear-end thread type |
M48 adapter (with M48×0.75 filter thread) |
|
Rear-end connection distance |
Support 50-65mm range (Recommended connection length is 55mm) |
|
Standard package items |
A 50P OTA，a manual |