BARSKA Colorado 25-75x75 Spotting Scope
- Objective Lens Diameter: 75 mm
- Zoom Ratio: 25-75x
- Focus Type: Manual Focus
- Eye Piece Lens Description: Fully Coated
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A 75mm manual-focus spotting scope from Barska, rated below other optics in this catalog but built around a larger, light-gathering objective lens.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B000RMEVNSModel: CO10998Category: Spotting Scopes
Overview
The Barska CO10998 is a spotting scope with a 75mm objective lens and manual focus, listed at 1 lb.
A 75mm objective lens is on the larger end for spotting scopes, generally aimed at longer-distance viewing where more light gathering helps, though manual focus means adjustments are hands-on rather than motorized. Its 3.8 rating sits below the Swarovski spotting scope also in this set, worth noting for anyone comparing across brands.
- 75mm objective lens
- Manual focus
- 1 lb listed weight
Who it's for
Works well for buyers wanting a larger-objective spotting scope for long-range viewing such as range work or nature observation, comfortable with manual focus control. Not the pick for anyone chasing the highest rating in this category, given the comparatively lower score.
Pros and cons
- 75mm objective lens for longer-range viewing
- Manual focus keeps the mechanism simple
- 3.8 rating trails other optics in this catalog
- Listed 1 lb weight seems light for a 75mm scope and should be confirmed before buying
Performance notes
The 75mm objective lens is sized to gather more light over long distances than smaller spotting scopes, which typically helps image brightness at range. Manual focus puts adjustment entirely in the user's hands rather than relying on any motorized or electronic assist.
Specifications
| Brand | Barska |
|---|---|
| Model | CO10998 |
| Dimensions & fit | |
| Objective Lens Diameter | 75 mm |
| Focal Length Description | 3mm-1mm |
| Weight | 1 pound |
| Opticaltube Length | 15.4 inches |
| Power & efficiency | |
| Power Source | Corded Electric |
| Construction & materials | |
| Coating | Fully Coated |
| Compatibility & installation | |
| Mount | Table Top |
| Compatible Devices | Tripod |
| Included components | |
| Unit Count | 1 |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Zoom Ratio | 25-75x |
| Focus Type | Manual Focus |
| Eye Piece Lens Description | Fully Coated |
| Builtin Media | Hunting Scopes Spotting, Soft & Hard Case, Table Top Tripod, Lens Covers |
| Item Type Name | Barska Colorado Spotting Scopes With Tripod For Hunting Bird Wathcing Target Shooting -25-75x75 |
| Additional Features | Straight Body Design |
Frequently asked questions
What size objective lens does the Barska CO10998 have?
75mm.
Does the CO10998 have automatic focus?
No, it uses manual focus.