ADJUSTABLE FOCUS TESTING TELESCOPES

Type FGV Straight Viewable with

Adjustable Focus

Straight viewing  testing telescopes with adjustable focus setting are offered  with  different focal lengths, diameters and adjustment ranges.

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TYPE FGV Straight VIEWING TELESCOPE

Notes on ordering:

 

When considering placing an order please note the following:

The testing telescope is equipped with an eyepiece f=14.7 mm but can be equipped with eyepieces f=25 mm or f=10 mm on request.


One reticle and one eyepiece are included in the delivery. Please specify the reticle when ordering!


If not specified otherwise, the testing telescope is adjusted to infinity at 546 nm wavelength. Adjustment to other distances or wavelengths is also possible on demand. It is possible to specify the testing telescope either with the article no. or/and with the article description.

The nomenclature of the telescopes with adjustable focus setting and with straight viewing is shown in the right hand graphic.

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TYPE FGV STRAIGHT VIEWING ADJUSTABLE FOCUS TELESCOPE

Small Size Aperture

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CA = Clear Aperture         FL = Focal Length         TE = Tube Extension         FOV = Field of View

TYPE FGV STRAIGHT VIEWING ADJUSTABLE FOCUS TELESCOPE

Medium Size Aperture

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CA = Clear Aperture         FL = Focal Length         TE = Tube Extension         FOV = Field of View

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TYPE FGV STRAIGHT VIEWING ADJUSTABLE FOCUS TELESCOPE

Large Size Aperture

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CA = Clear Aperture         FL = Focal Length         TE = Tube Extension         FOV = Field of View

 
60° Viewing
Testing Telescopes


Click PDF button to view and download.
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Testing Telescope

Introduction

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Testing Telescopes Adjustable Focus with Straight Viewing