PORTA II ED80Sf

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Products

PORTA II ED80Sf

39956

  • $2,385.00

Optical tube with ED(Extremely low Dispersion glass)lens inside captures a high-contrast and clear field of view with highly reduced chromatic aberration.

Enquire for more information or email us specifics at sales@astro.com.sg.

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\"Photo:PORTA

 

PORTA II ED80Sf

 

PORTA II Altazimuth Mount + ED80Sf Optical Tube + Eyepieces

 

  • Optical tube with ED(Extremely low Dispersion glass)lens inside captures a high-contrast and clear field of view with highly reduced chromatic aberration.
  • High-quality optical tubes with low prices, \"f Series\"

 

Product No.39956-7
Objective Lens Effective Diameter : 80mm
Focal Distance : 600mm
Optical Tube Length : 570mm
Finderscope : 9x50mm
Total Weight : 10.5kg(Not including the eyepiece)
Eyepieces Attached : NPL20mm, NPL6mm

 

※The optical tube can be purchased separately.

 


Specifications


PORTA II ED80Sf
Altazimuth Mount Refer to PORTA II Altazimuth Mount above
Optical Tubes Optical Type Refractor
Objective Lens
(Primary Mirror)
Effective Diameter
80mm
Lens
Coating
Multi-coated
Focal Distance 600m
Aperture Ratio(F) F7.5
Resolution 1.45s
Limiting Magnitude 11.3
Light Gathering Power 131x
Size Length 570mm, Outer Diameter 100mm
Weight 4.8kg(main body 3.4kg)
Finderscope 9x50mm(actual field of view 4.8deg)
Eyepiece Part Parts Attachment Size Screw-in : 42mm T-ring screw
Insert : 50.8mm(*1), 31.7mm(flip mirror attached)
Attached Eyepieces 31.7mm in diameter
NPL20mm(30x, actual field of view 100min)
NPL6mm(100x, actual field of view 30min)
Others Attachment 2 eyepieces, aluminum case for optical tube
Photography Enlarging, prime focus, compact digital camera(collimate) photography(*2)
Total Weight 10.5kg(w/o eyepiece)

 

  • *1…An optional accessory (sold separately) is required if using 50.8-mm eyepiece.
  • *2…A camera adapter (sold separately) is required.

PORTA II Altazimuth Mount Unit

 

Mount Type Altazimuth Mount
Vertical/Horizontal Movement Worm whole-circle movement, vertical/horizontal slow-motion handles attached, vertical/horizontal freestop, firmness control attached
Installment/Uninstallment of Optical Tube Attachment: installment/uninstallment system (safety screw attached)
Maximum Loading Weight Less than about 5.0kg
Weight 5.7kg(with tripod)
Tripod Type Aluminum dual-step adjustable tripod(accessory tray attached)
Tripod Size Length 90⇔130cm
'
'
\"Photo:PORTA

 

PORTA II ED80Sf

 

PORTA II Altazimuth Mount + ED80Sf Optical Tube + Eyepieces

 

  • Optical tube with ED(Extremely low Dispersion glass)lens inside captures a high-contrast and clear field of view with highly reduced chromatic aberration.
  • High-quality optical tubes with low prices, \"f Series\"

 

Product No.39956-7
Objective Lens Effective Diameter : 80mm
Focal Distance : 600mm
Optical Tube Length : 570mm
Finderscope : 9x50mm
Total Weight : 10.5kg(Not including the eyepiece)
Eyepieces Attached : NPL20mm, NPL6mm

 

※The optical tube can be purchased separately.

 


Specifications


PORTA II ED80Sf
Altazimuth Mount Refer to PORTA II Altazimuth Mount above
Optical Tubes Optical Type Refractor
Objective Lens
(Primary Mirror)
Effective Diameter
80mm
Lens
Coating
Multi-coated
Focal Distance 600m
Aperture Ratio(F) F7.5
Resolution 1.45s
Limiting Magnitude 11.3
Light Gathering Power 131x
Size Length 570mm, Outer Diameter 100mm
Weight 4.8kg(main body 3.4kg)
Finderscope 9x50mm(actual field of view 4.8deg)
Eyepiece Part Parts Attachment Size Screw-in : 42mm T-ring screw
Insert : 50.8mm(*1), 31.7mm(flip mirror attached)
Attached Eyepieces 31.7mm in diameter
NPL20mm(30x, actual field of view 100min)
NPL6mm(100x, actual field of view 30min)
Others Attachment 2 eyepieces, aluminum case for optical tube
Photography Enlarging, prime focus, compact digital camera(collimate) photography(*2)
Total Weight 10.5kg(w/o eyepiece)

 

  • *1…An optional accessory (sold separately) is required if using 50.8-mm eyepiece.
  • *2…A camera adapter (sold separately) is required.

PORTA II Altazimuth Mount Unit

 

Mount Type Altazimuth Mount
Vertical/Horizontal Movement Worm whole-circle movement, vertical/horizontal slow-motion handles attached, vertical/horizontal freestop, firmness control attached
Installment/Uninstallment of Optical Tube Attachment: installment/uninstallment system (safety screw attached)
Maximum Loading Weight Less than about 5.0kg
Weight 5.7kg(with tripod)
Tripod Type Aluminum dual-step adjustable tripod(accessory tray attached)
Tripod Size Length 90⇔130cm
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