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Long-perng-s550-a.4629949

Long Perng S550-A

Extra-low Dispersion (ED) objective lens 11:1 dual-speed foc Read more

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Specifications

Feature
Value
Comment
Objective Lens Diameter
80 mm
Focal Length
550 mm
F-number
6.8
Focuser
2" Crayford dual-speed focuser
Lens Coating
Fully multi-coating
Housing Materials
Aluminum
Finish
Premium high-glossy anodizing finish
Weight (approx.)
3.0 kg / 6.6 lbs
Size (approx.)
460 mm / 18.1 in.
Standard Accessories
11:1 dual-speed fucuser
Release Date
First seen
30 December 2008