Tube Diameter for Riflescope Mounts: How to Choose Yours
Tube diameter refers to the external diameter of the main housing of a riflescope, measured in millimeters (mm).
Riflescope Mount
Telescopes
Telescope Terms and Specs, Explained in Plain English
When researching a telescope, it is easy to get lost in a sea of technical specifications and marketing terminology.
Schmidt-Cassegrain Telescope
Which Schmidt-Cassegrain Telescope Is Best for Small Spaces? Models Offer Compact Optics for Apartment Balconies
The Celestron CGEM II 800 EdgeHD 8 leads our guide to help you find a compact SCT telescope that fits into tight storage and limited outdoor spaces.
Red Dot Sight
AT3 Tactical RD-50 Red Dot + 3X Magnifier Review: Includes a Steel Magnifier Mount and Flip-To-Side Mount
The AT3 Tactical RD-50 Red Dot + 3X Magnifier provides a complete optic package featuring a 3x magnifier and a lifetime warranty for long-term reliability.
Red Dot Sight
What are the mounting requirements for the TRU-TEC Micro?
The TRUGLO TRU-TEC Micro Red Dot Sight mounts to optic-ready pistols using a common mounting plate bolt pattern that fits Glock MOS and similar systems.
Golf Rangefinders
What are the visibility specifications for the Bushnell Tour V5?
The Bushnell Tour V5 Golf Laser Rangefinder provides clear visibility through 6x magnification and multi-coated lenses designed to deliver a 1,300 yard range.
Tactical Scope
What are the specific mounting requirements for the Leatherwood Hi-Lux 1-4×24 CMR-AK762 Scope?
The Leatherwood Hi-Lux 1-4×24 CMR-AK762 Tactical Scope requires a compatible AK-platform mounting system, but it does not include the mounting rings or rails.
Reflector Telescope
What are the physical dimensions and weight of the Astro Fi 130?
The Celestron Astro Fi 130 Wireless Reflecting Telescope weighs approximately 24 lbs and requires a footprint of roughly 16 inches in diameter for the tripod.
Schmidt-Cassegrain Telescope
Choosing the Best Schmidt-Cassegrain Telescope for Easy Setup: Featuring Automated Mounts for Rapid Alignment
The Celestron CGEM II 800 EdgeHD 8 leads our guide to help you find a catadioptric telescope that balances heavy-duty optics with rapid deployment.
Refractor Telescope
Focal Ratio for Refractor Telescopes: How Much You Actually Need
The ideal focal ratio for a refractor telescope depends on whether you prioritize wide-field views or high-magnification detail.
Red Dot Sight
What mounts are compatible with the Sparc II Red Dot Sight?
The Vortex Optics Sparc II is compatible with any mount that supports its specific footprint and provides sufficient clearance for its single-piece chassis.
Reflector Telescope
TELMU 114mm Aperture 500mm AZ Mount Reflector Telescope Review: Includes a Free Smartphone Adapter
The TELMU 114mm Aperture 500mm AZ Mount Reflector Telescope provides a large 114mm aperture to gather three times more starlight than 70mm refractors.
Reflector Telescope
Carson Red Planet RP-100 Newtonian Reflector Telescope Review: Features a 76mm Aperture and 700mm Focal Length
The Carson Red Planet RP-100 Newtonian Reflector Telescope offers a 76mm aperture and a 700mm focal length for clear views of the night sky.
Refractor Telescope
SVBONY SV503 80mm F7 Achromatic Refractor Review: Utilizes Extra-low Dispersion Glass for Sharp Imaging
The SVBONY SV503 80ED refractor telescope features extra-low dispersion glass and a dual-speed rack and pinion focuser for precise astronomical viewing.
Refractor Telescope
SpectrumOI 80mm EQ Refractor Telescope Review: Uses a German Equatorial Mount with Brass Worm Gears
The SpectrumOI 80mm EQ Refractor Telescope offers a stable viewing experience thanks to its stainless steel tripod legs and aluminum equatorial mount.
Golf Rangefinder with Slope
Golf Rangefinder with Slope Alternatives: Other Ways to Get the Same Result
Golfers use a golf rangefinder with slope to calculate the precise distance to a target while accounting for the elevation changes of the terrain.
Golf Rangefinders
Weight for Golf Laser Rangefinders: How to Choose Yours
Weight in a golf laser rangefinder is the physical mass of the unit, measured in grams (g).
Golf Rangefinder with Slope
Does the TecTecTec ULT-S Pro Rangefinder with slope have a maximum measurable distance?
The TecTecTec ULT-S Pro Rangefinder has a maximum measurable distance of 1,000 yards when locking onto hazards.
Golf Rangefinders
CaddyTek CaddyView V2+ Slope Review: Features a One-Step Mode Switch for Slope Compensation
The CaddyTek CaddyView V2+ Slope offers a patented one-step mode switch to toggle between standard and slope distances for accurate club selection.
Riflescope Mount
Best Riflescope Optic Mounts for 34mm Scopes: Featuring Heavy-Duty Hardware for 34mm Tube Diameters
The MDT One-Piece Mount Scope Rings lead our selection of hardware designed to secure larger 34mm optics and provide a rock-solid foundation for long-range.
Red Dot Sight
Does the Shake Awake Micro Red Dot Sight fit on a Doctor Cuts (Calf V2) slide?
Yes, the Cyelee Shake Awake Micro can be mounted on a Doctor Cuts (Calf V2) slide because the optic is compatible with Doctor style footprints.
Reflector Telescope
What are the physical dimensions and weight of the Orion Observer 134mm?
The Orion Observer 134mm Equatorial Reflector Telescope has a 650mm focal length and is mounted on an EQ3-class equatorial mount with an aluminum tripod.
Reflector Telescope
Focal Length for Reflector Telescopes: How Much You Actually Need
For most beginners, a focal length between 700mm and 1000mm provides a versatile balance for viewing the moon and planets.
Schmidt-Cassegrain Telescope
Does the NexStar Evolution 6 Schmidt-Cassegrain Telescope support remote operation via WiFi?
Yes, the Celestron NexStar Evolution 6 Schmidt-Cassegrain Telescope supports remote operation because it includes integrated WiFi for smartphone and tablet.
Red Dot Sight
The Types of Red Dot Sights, Explained
There are three primary types of red dot sights defined by their mounting profile and housing design.
Golf Rangefinders
Which Golf Laser Rangefinder with Pin Seeker Is Best? Featuring Models with Distinctive Locking Technology
Discover the Bushnell Tour V4 JOLT and other top picks to find the perfect laser rangefinder with pin seeker for pinpoint accuracy on every hole.
Riflescope Mount
Affordable Riflescope Optic Mounts Under 150 Dollars Compared: Support 30mm Tubes With Stable Hardware
The MDT One-Piece Mount Scope Rings lead our list of budget-friendly options to help you find a reliable mounting solution for under $150 today.
Refractor Telescope
What are the magnification limits of a 90mm aperture refractor telescope?
The maximum useful magnification for a 90mm aperture refractor telescope is approximately 270x, though practical limits for sharp viewing usually sit between.
Refractor Telescope
What are the viewing limitations of the AstroMaster LT 70AZ?
The Celestron AstroMaster LT 70AZ Refractor Telescope has specific viewing limitations primarily due to its 70mm aperture and its Alt-Azimuth mount design.
Golf Rangefinder with Slope
Golf Rangefinder with Slope Warranties: What to Check Before You Buy
Most golf rangefinders with slope come with a limited warranty lasting between 1 and 3 years.