our project with larger achromatic refractors showing more and more success. Since some time we stocking already the optics, douplet airspaced fully multicoated achromats. Today we received the first final tube assembly. See below the specs of them.
The optics have been designed by TMB Optical/USA and beeing manufactored by a APM subcontractor
TMB Designed 8"F/6 Rich Field Refractor / Cometfinder
Technical Specs:
- aperture : 203 mm
- focallenght 1200 mm
- f-ratio F/6
- coating: all surfaces are fully super multicoated
- shortest transporting lenght is 30 inch only
- observing lenght with extendet dew cap 40.5 inch
- diameter of dew shield is 10.8 inch
- movable draw tube lenght is 4.7 inch
- backfocuse is about 10 inch maximum
- focuser: 2" Starlight focuser with 2.5" focuse travel
- Total optical tube weight of this 8"F/6 is with optics, focuser and rings : 36 lbs
Delivery including: multicoated achromatic optical tube, set of tuberings, 50 mm finderbracket, 2" Starlight focuser , packing
Prices Ex Germany:
Export price Euro 4,740
Retail incl. 16% German VAT Euro 5.495
Delivery time if not in stock: ~ 2 month
your APM-Team
Markus Ludes
The optics have been designed by TMB Optical/USA and beeing manufactored by a APM subcontractor
TMB Designed 8"F/6 Rich Field Refractor / Cometfinder
Technical Specs:
- aperture : 203 mm
- focallenght 1200 mm
- f-ratio F/6
- coating: all surfaces are fully super multicoated
- shortest transporting lenght is 30 inch only
- observing lenght with extendet dew cap 40.5 inch
- diameter of dew shield is 10.8 inch
- movable draw tube lenght is 4.7 inch
- backfocuse is about 10 inch maximum
- focuser: 2" Starlight focuser with 2.5" focuse travel
- Total optical tube weight of this 8"F/6 is with optics, focuser and rings : 36 lbs
Delivery including: multicoated achromatic optical tube, set of tuberings, 50 mm finderbracket, 2" Starlight focuser , packing
Prices Ex Germany:
Export price Euro 4,740
Retail incl. 16% German VAT Euro 5.495
Delivery time if not in stock: ~ 2 month
your APM-Team
Markus Ludes
Attached Image:
clear skies
Markus Ludes
APM-Telescopes/Germany