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Garrett Optical Gemini 25x100 Binoculars - “Collector's item” in Excellent
Condition!
Current Availability of the Garret 25x100
Binoculars:
Production of most Garrett Optical items
ceased around the end of 2013, following the company's acquisition by Oberwerk.
For individuals seeking new astronomical binoculars with similar specifications
(aperture and magnification), comparable models are available from
manufacturers like Celestron or Orion. This item is as good as new and
hardly used. In South Africa, one might anticipate a price range of
approximately R15,000 to R20,000 for such alternatives. Our price is
R6,950
Typical Inclusions:
These binoculars often came with a durable carrying
case for protection and an “index finder” (a type of non-magnifying sighting
device) to assist in aiming.
Primary Application & Performance:
The Garrett Optical Gemini 25x100
binoculars were highly esteemed for astronomical observation, delivering
impressive views of celestial targets such as stars, star clusters, distant
galaxies, and nebulae. Their design and optical quality made them a popular
choice for enthusiasts serious about exploring these deep-sky wonders.
However, for observing the Moon or
planets, these binoculars were not the optimal choice. Viewers might experience
chromatic aberration (color fringing, especially noticeable on the Moon's
bright limb) and some flaring or glare when aimed at very bright objects like
planets, which could diminish the viewing experience for these specific
targets. While they could still provide reasonable views of the Moon and
planets, these optical artifacts could be distracting.
Other Potential Uses (with Caveats):
Theoretically, these binoculars could be
used for terrestrial viewing, such as birdwatching, sporting events, wildlife
observation, hunting, travel, concerts, or boating. However, their significant
weight (around 10 pounds / 4.5 kg) makes handheld use extremely difficult and
impractical for extended periods. Therefore, such uses are generally not
recommended without a very sturdy mounting system.
Important Considerations for Use:
If you manage to acquire a pair of these
powerful binoculars, a heavy-duty tripod or mount capable of comfortably
supporting their 10-pound mass is essential. It is also crucial to take the
time to properly balance the binoculars on the mount to ensure smooth operation
and stable viewing.
Specifications:
MODEL GEMINI 25X100 WP-IF
OBJECTIVE LENSES 100mm
f/4.5; 2 Elements, 2 Groups
EYEPIECES 4 Elements, 3
Groups
MAGNIFICATION 25x
EYE RELIEF 16mm useable
(18mm total)
EXIT PUPIL 4.0mm
APPARENT FIELD OF VIEW
60º
TRUE FIELD OF VIEW 2.4º
(126 ft./1000 yds.)
WEIGHT 10 lbs., 0 oz.
CLOSE FOCUS 35m
COATINGS Fully Broadband
Multi-Coated
LIGHT TRANSMISSION
99.0%-99.7% per surface; >85% total
WATERPROOF Yes, for up to
5 min. at 1m depth
DRY NITROGEN FILLED Yes
1mo
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