Stellarvue F50 Series User manual

STELLARVUE
STELLARVUE C
50MM STRAIGHT THROUGH
FINDERSCOPE
STELLARVUE
STELLARVUE C
WWW.STELLARVUE.COM
11820 KEMPERROAD, AUBURN, CA 95603 U. S. A
PHONE [phone], FAX [phone]
STELLARVUE C
LIMITED WARRANTY FOR U.S.A. END PURCHASERS ONLY
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IN ATERIALS AND WORK ANSHIP FOR TWO YEARS FRO THE DATE OF PURCHASE. SV WILL REPAIR OR REPLACE
SUCH PRODUCT OR PART THEREOF, WHICH UPON INSPECTION BY SV IS FOUND DEFECTIVE IN ATERIALS OR WORK-
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UST BE RETURNED TO SV AS SPECIFIED IN THIS WARRANTY.
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WARNING: LOOKING AT THE SUN CAN CAUSE SERIOUS EYE INJURY AND
BLINDNESS. NEVER POINT A TELESCOPE AT OR NEAR THE SUN. VIEW-
ING THE SUN WITHOUT A PROPER SOLAR FILTER MAY RESULT IN BLIND-
NESS, AS WELL AS DAMAGE TO THE INSTRUMENT. NEVER ALLOW CHIL-
DREN TO USE BINOCULARS OR TELESCOPES DURING THE DAYLIGHT
HOURS, UNLESS THEYARESUPERVISEDBYANADULTWHOUNDER-
STANDSTHEDANGEROFPOINTINGANYOPTICALINSTRUMENTINTHE
GENERALDIRECTIONOFTHESUN.

STELLARVUEF50 9X50 FINDER
All Stellarvue F50 series finder-
scopes are made to provide the
highest level of performance. We
start with an astronomical quality
objective (most finders use binocular
objectives), which provides a sharp,
high contrast image. The finder features fully multi-coated optics, a 1 1/4”
non-rotating helical focuser with rubber grip and a high quality, 50 degree,
fully multi-coated eyepiece with a large eye lens and a glass crosshair reti-
cle. This finder may be used with either our standard or our illuminated reti-
cle eyepiece
FOCUSADJUSTMENT
Unlike many finders that use inexpensive slide tube focusers or require
screwing and unscrewing the objective to reach focus, the Stellarvue can be
focused to accommodate different people thanks to its helical focuser.
erely turn the rubber grip to attain focus. The finder will accommodate var-
ious standard 1 1/4” eyepieces. Use wide field premium eyepieces for the
sharpest possible field.
The supplied eyepiece is designed to provide a wide field of view. Eyeglass
wearers may fold back the rubber eyecup to get in closer and enjoy the
entire field.
First, focus the reticle by turning the knurled
top of the eyepiece.
You may then focus the finder using the
image focuser below it.
Stellarvue now offers an illuminated reticle eyepiece that works with all of
our “version 2” finders. The illuminated reticle eyepiece is identical to the
standard eyepiece but uses a battery operated illuminator which causes the
reticle to glow red.
NON-ROTATING BACK
The F50 straight through finder fea-
tures a non-rotating back allowing it to
be used visually or as a guidescope.
When using it as a guidescope it may
be necessary to remove the STE52
extension shown on the left.
RETICLE ILLUMINATOR (Sol Separately)
Battery replacement: As
shown, the illuminator is a
tubular electronic device that
attaches to a special base on
the illuminated eyepiece. It is
powered by two standard
GPA76 batteries. To replace
the batteries, unscrew the end
of the illuminator as shown to
the right. When installing
new batteries, be careful of
battery polarity. Inserting a
battery with the polarity reversed will damage the circuit and void the
warranty.
ON/OFF BRIGHTNESS: Rotate the on/off brightness knob clockwise to turn
on the illuminator. Turning the knob clockwise increases brightness. Turning
it counter clockwise decreases the brightness until it clicks off.
F50 RINGSYSTEMS (Sol Separately)
The F50 uses the R50 ring systems. These come with various bases that
permit attachment to a number of different telescopes.
R50AT: Low profile universal base. ounts to Stellarvue and Televue
clamshells. ay also be screwed to any flat surface or tube.
R50C: One piece clamshell ring with 1/4-20 threaded hole in the base.
R50DA: ounts to many dovetail shoes on the market including Stellarvue,
Synta and others.
R50ET: ounts to 1” wide hinged mounting rings that have a 6 mm or 1/4-20
center hole.
R50FA: Complete high profile dovetail system that attaches to the 2.5” to
3.5” Feather Touch Focusers.
R50ST: Has a bracket that attaches to the mirror cell on 8” and larger
Celestron or eade SCTs.
On/Off
Brightness
Battery
compartment