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.
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.
TYPE FGV STRAIGHT VIEWING ADJUSTABLE FOCUS TELESCOPE
Small Size Aperture
CA = Clear Aperture FL = Focal Length TE = Tube Extension FOV = Field of View
TYPE FGV STRAIGHT VIEWING ADJUSTABLE FOCUS TELESCOPE
Medium Size Aperture
CA = Clear Aperture FL = Focal Length TE = Tube Extension FOV = Field of View
TYPE FGV STRAIGHT VIEWING ADJUSTABLE FOCUS TELESCOPE
Large Size Aperture
CA = Clear Aperture FL = Focal Length TE = Tube Extension FOV = Field of View
60° Viewing
Testing Telescopes
Click PDF button to view and download.
Testing Telescope
Introduction
Testing Telescopes Adjustable Focus with Straight Viewing