Garrett® 100mm F/5.3 45º Mk II Binocular Telescope & Case

Video review credit: ScopeTrader.com

The Garrett 100mm F/5.3 Binocular was Barron's Gadget of the Week on 03/29/10! Click here to read the review.

Click here to read the review from the Nov./Dec. 2009 issue of Astronomy Technology Today.

Our updated Garrett® 100mm F/5.3 Mark II binocular telescope offers unrivaled flexibility for the amateur astronomer or long-distance terrestrial observer. It weighs in at just 13.3 pounds - about half the weight of competing designs - while still offering the advantage of standard 1.25-inch helical focusers. Here's a binocular that will accept virtually all your 1.25" telescope eyepieces and still be light enough for quick and easy setup. The precision helical focusers are angled at 45º to make observing more comfortable than with a conventional straight-through binocular. This binocular offers the best features of a rich-field telescope – such as the ability to easily vary magnification – without sacrificing the three-dimensional viewing experience of a binocular.

The flat-field objective lenses deliver high-contrast views of deep space objects and solar system targets alike – from quick looks at the moon and brighter planets to comet hunting, the Garrett® GT100-45 binocular telescope can take you wherever you want to go. The binocular includes one set of standard 1.25" oculars, 23mm focal length (57° AFOV), yielding 23x magnification. Additionally, you always have the ability to expand your magnification range by inserting virtually any 1.25" telescope eyepiece from 40mm down to about 9mm. The updated Mark II version now features twist-lock eyepiece holders to insure precise centering and make switching between eyepieces easier than ever before.

All air-to-glass surfaces in the air-spaced achromatic objective lenses and the prisms are broadband multi-coated, and the precisely-polished prisms are crafted from high-index BaK4 optical glass. The cast-aluminum binocular body features a durable and attractive glossy white finish and integrated retractable dewshields. The picture says it all - this is one good-looking binocular!

A brand-new feature is the integration of a pre-aligned, standard Vixen-style dovetail base. This makes it easy to mount virtually any finder (such as our excellent MRRF red-dot sight, available as an option for $59.95 at the time of purchase).

For those looking for an affordable mount the Garrett Series 5000 is hard to beat. What's more, the Series 5000 is available as a package with the GT100-45 for just $250 additional. You can also use many heavy-duty tripods or parallelogram mounts with the standard ¼-20 threaded mounting plate that's integrated into the design. Included with each binocular telescope is a high-quality aluminum-trimmed carrying case.

Each binocular telescope is individually tested for collimation as part of our 14-point inspection, and any necessary adjustments are performed by a highly-experienced technician. Collimation is adjustable by experienced users. It is also covered by our two-year warranty and 30-day return policy.

Trying to decide between the 100mm F/5.3 Binocular Telescope and Signature 28x110? Click here.

Tripod Package Available - Save $50:

100mm F/5.3 Binocular + Series 5000 Tripod / Head - $1349.95

Items must be ordered together to qualify for discount. Select your package with the check-box above, then click the "Add to Cart" button...

Click here for Technical Specs

Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

Garrett® Binocular Telescope Specifications
MODEL	GT70-90 Binocular Telescope	GT100-45 Binocular Telescope	GT150-45 Binocular Telescope	GT150-90 Binocular Telescope
OBJECTIVE LENSES	70mm f/6.2; 2 Elements, 1 Group	100mm f/5.3; 2 Elements, 1 Group	150mm f/5.5; Triplet	150mm f/5.85; Triplet
ACCEPTS STANDARD EYEPIECES	Yes; 1.25" only	Yes; 1.25" only	Yes; 1.25" & 2"	Yes; 1.25" & 2"
MAGNIFICATION WITH INCLUDED EYEPIECES	18x (1.25")	23x (1.25")	25x, 30x, 35x (2")	27x, 33x, 38x (2")
EYE RELIEF OF INCLUDED EYEPIECES	15.5mm	20.5mm	21.7mm, 20.5mm, 17.5mm	21.7mm, 20.5mm, 17.5mm
EXIT PUPIL WITH INCLUDED EYEPIECES	3.9mm	4.3mm	6mm, 5mm, 4.3mm	5.5mm, 4.6mm, 4mm
APPARENT FIELD OF VIEW OF INCLUDED EYEPIECES	50º	57º	65°, 72°, 67°	65°, 72°, 67°
TRUE FIELD OF VIEW WITH INCLUDED EYEPIECES	2.8° (147 ft./1000 yds.)	2.5º (131 ft./1000 yds.)	2.6°, 2.4°, 1.9° (138, 126, 99 ft./1000 yds.)	2.4°, 2.2°, 1.8° (138, 126, 99 ft./1000 yds.)
WEIGHT (w/out eyepieces)	8 lbs., 15 oz.	13 lbs., 4 oz.	46 lbs., 3 oz.	48 lbs., 8 oz.
LENGTH (dewshields retracted)	12.2-in.	18.2-in.	29.5-in.	26.4-in.
CLOSE FOCUS	16m	25m	100m	100m
IPD RANGE	57-73mm	55-72.5mm	62-76mm	62-76mm
COATINGS	Fully Broadband Multi-Coated	Fully Broadband Multi-Coated	Fully Broadband Multi-Coated	Fully Broadband Multi-Coated
WARRANTY	2-year limited warranty	2-year limited warranty	2-year limited warranty	2-year limited warranty

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