Shop
Magazine
%SALE%
EN / $
Language
Deutsch
English
Français
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 - $
✓
Europe's largest sport optics specialist
✓
7,500+ items available from stock
✓
Personal advice & service
✓
Best price guarantee
Get closer
Binoculars
Spotting scopes
Digiscoping
Night vision
Rangefinders
Riflescopes
Tripods
Outdoor
Microscopes
% SALE %
Glossary
Telescopes
Focuser
Backfocus
Connection ( to eyepiece)
Type of build
Glossary
>
Telescopes
>
Focuser
> Backfocus
Glossary | Telescopes | Focuser | Backfocus
The position of the focus, measured from the plug connection, with the eyepiece fully retracted.
