Description
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Aperture size |
85mm |
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|
Focal length |
408mm |
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|
Focal ratio |
f/4.8 |
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|
Objective lens |
Quintuplet petzval APO（including two pieces of SD glass） |
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|
Total length |
403mm(when the dew shield is contracted) |
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|
Format specifications |
Full-frame |
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|
OTA weight |
3.64kg |
|
|
Gross weight（including tube ring and dovetail plate） |
4.62kg |
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|
Rear-end thread type |
M48/M54/M68 adapters |
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|
Rear-end connection distance |
Support 40-70mm range (Recommended connection length is 55mm) |
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|
Standard package items |
a SQA85 OTA, an Oxford cloth case |
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Additional Resources
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