ADJUSTABLE FOCUS TESTING TELESCOPES
Type FRV 90° Viewable with
Adjustable Focus
We offer the testing telescopes with 90° viewing and adjustable focus setting with different focal lengths, diameters and eyepieces.
Note: Versions with mechanical double micrometer or a programmable measuring gauge (MMD) are not available due to mechanical limits.
TYPE FRV 90° 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 90°-viewing is shown in the right hand graphic.
TYPE FRV 90° VIEWING ADJUSTABLE FOCUS TELESCOPE
Small Size Aperture
CA = Clear Aperture FL = Focal Length TE = Tube Extension FOV = Field of View
TYPE FRV 90° VIEWING ADJUSTABLE FOCUS TELESCOPE
Medium Size Aperture
CA = Clear Aperture FL = Focal Length TE = Tube Extension FOV = Field of View
TYPE FRV 90° VIEWING ADJUSTABLE FOCUS TELESCOPE
Large Size Aperture
CA = Clear Aperture FL = Focal Length TE = Tube Extension FOV = Field of View