Shop
Magazine
%SALE%
EN / $
Language
Deutsch
English
Currency
BGN - лв
BRL - R$
CAD - $
CHF - SFr
CZK - Kč
DKK - dkr
EUR - €
GBP - £
HUF - Ft
MXN - $
NOK - nkr
PLN - zł
RON - Lei
SEK - Skr
TRY - ₺
USD - $
✓
World's largest selection of globes
✓
Many models are available to deliver from stock
✓
Free shipping on most globes above €50
✓
Personal expert advice
www.globes-and-maps.com
Globes
Maps
Worldmaps
Compasses
Planetaria & Sundials
Posters
Media
Miscellaneous
Glossary
Telescopes
Optics
Aperture
Aperture ratio
Bandwidth
Blocking Filter
Coating
Corrected Field
Double Stack
Focal length
Lens design
Light gathering capacity
Limit value
Max. useful magnification
Resolving capacity
Tube construction
Truss tube
Tube length
Tube material
Tube weight
Type
Type of build
Glossary
>
Telescopes
>
Optics
> Tube construction
Glossary | Telescopes | Optics | Tube construction
Truss tube
In contrast to the solid tube, here the optical tube is constructed of rods.
