1.7-10X40 SFP Hunting Scope with ED Glass: A Buyer’s Guide to Key Specifications

A 1.7-10X40 SFP hunting scope with ED glass combines a variable magnification range of 1.7× to 10×, a 40 mm objective lens, a second focal plane reticle, and extra-low-dispersion glass in its optical system. It may suit buyers seeking one optic for close-to-medium-range use and more precise aiming at higher magnification, provided the reticle, eye relief, mounting dimensions, and environmental specifications fit the intended firearm and conditions. For B2B buyers, the key is to verify the actual configuration and test documentation rather than assume that the model name guarantees a particular performance level.

Read more

Key Takeaways

• 1.7×–10× describes the scope’s stated magnification range; buyers should assess whether both ends are useful for their intended applications.
• 40 mm is the stated objective-lens diameter, not a guarantee of brightness. Glass quality, coatings, exit pupil, and lighting conditions also matter.
• An SFP reticle generally appears to remain a consistent size as magnification changes. Buyers should confirm which magnification, if any, is used for reticle subtension references.
• ED glass can help control chromatic aberration, but its practical effect depends on the full optical design and should be checked in a sample or through suitable test information.
• Before placing a bulk order, request a confirmed specification sheet, sample evaluation, packaging details, MOQ, lead time, and applicable export documentation.

Who This Guide Is For

This guide is intended for distributors, hunting-equipment brands, importers, and other professional buyers evaluating a variable-power scope for a product range or sourcing project. It is also useful when comparing suppliers that describe products with similar magnification and objective specifications. The recommendations focus on questions buyers can verify before approving a sample or production order. They do not replace local hunting regulations, firearm compatibility checks, or professional instruction.

Understanding the Main Specifications

Magnification: 1.7× to 10×

The stated 1.7×–10× range offers a low-power setting and a higher-power setting within one optic. Lower magnification can provide a wider field of view than higher magnification on the same scope, although the actual field of view must be confirmed from the manufacturer’s data. Higher magnification can make a distant aiming point appear larger, but it does not improve the rifle, ammunition, or shooter’s inherent accuracy. Ask for field-of-view figures at both ends of the range and confirm the units and measurement distance used.

Objective lens: 40 mm

The 40 mm specification refers to the nominal diameter of the objective lens. A larger objective can be one factor in light transmission and exit pupil, but brightness also depends on the optical design, glass, coatings, magnification setting, and viewing conditions. As a simple comparison, the theoretical exit pupil is objective diameter divided by magnification: 40 mm ÷ 10× equals 4 mm at 10×, while 40 mm ÷ 1.7× is approximately 23.5 mm at 1.7×. These calculations describe geometry, not measured image brightness or usable performance.

Second focal plane reticle

In a second focal plane (SFP) design, the reticle typically appears approximately the same size as magnification changes. This can make the reticle visually consistent across the zoom range, but any reticle marks used for holdover or ranging may correspond to a particular magnification rather than all settings. The reference magnification depends on the reticle and manufacturer’s design. Request the reticle subtension information and written confirmation of the calibration setting before comparing models or preparing product documentation.

ED glass

ED, or extra-low-dispersion, glass is used in optical designs intended to help reduce color fringing caused by chromatic aberration. The designation alone does not establish how much correction a complete scope provides or guarantee a particular resolution, contrast, or low-light result. Buyers should evaluate the image through a representative sample and ask what glass elements and coatings are included in the offered configuration. Keep marketing language aligned with the supplier’s substantiated product information.

Match the Scope to the Intended Application

A 1.7-10X40 configuration may be considered for hunting applications that benefit from both a relatively low starting magnification and a higher setting for more detailed aiming. Whether it is appropriate depends on the expected distances, terrain, target size, local rules, and the user’s training. Buyers should check whether the scope’s field of view at low power supports the intended use and whether the reticle remains easy to see in expected lighting. Do not treat a broad magnification range as a substitute for application-specific evaluation.

Compatibility is equally important for a wholesale product program. Confirm the mounting interface, tube diameter, adjustment direction and unit, adjustment range, parallax arrangement, and any included accessories against the intended firearm and customer requirements. Verify eye relief and overall dimensions from a current drawing or specification sheet, rather than inferring them from the product name. For markets with particular labeling or import requirements, check those requirements independently before finalizing packaging.

For more information, please visit ENJO SPORTS.

A Practical Buyer Selection Framework

1. Define the use case and market requirements

Write down the expected hunting environment, typical operating distance, preferred reticle style, and relevant market requirements. Decide whether the priority is a low-power field of view, reticle visibility, adjustment features, or another measurable requirement. This helps your team distinguish essential specifications from optional features. It also gives suppliers a consistent basis for quotations.

2. Compare specifications on a like-for-like basis

Request a full specification sheet that identifies the magnification range, objective diameter, focal-plane type, reticle options, field of view, eye relief, tube dimensions, adjustment units, and parallax details. Ask suppliers to state whether figures apply to the standard model or a customized version. Where performance claims matter, request the test method, sample configuration, and available supporting records. A clear, comparable data set is more useful than a short list of headline features.

3. Evaluate samples and production consistency

When possible, inspect a sample using the same reticle and configuration proposed for production. Check image appearance across the zoom range, reticle legibility, adjustment operation, focus behavior, and compatibility with the planned mounting setup. Record observations and define acceptance criteria before a purchase order is issued. For repeat orders, ask the supplier how product revisions and inspection requirements are communicated.

4. Confirm commercial and supply details

Ask for the MOQ, sample availability, quoted lead time, packaging options, warranty terms, payment terms, and shipping arrangements. These details can vary with configuration, order quantity, and production schedule, so obtain them in writing for the specific quotation. If your business needs private labeling or customized packaging, confirm artwork requirements, approval steps, and any associated minimum quantities. Do not assume that a customization is included in the standard price.

Pricing, MOQ, and Lead-Time Questions

There is no dependable universal price or lead time for this category without a confirmed configuration and order quantity. ED glass specification, reticle choice, coatings, accessories, inspection requirements, packaging, and customization can all affect the commercial offer. Ask suppliers to separate the standard product price from optional services or components where practical. Compare quotations using the same specification, Incoterm, sample requirement, and delivery basis.

MOQ and production timing should be confirmed directly for the requested model and market. For planning, ask whether the quoted lead time begins after deposit, approved artwork, sample sign-off, or another milestone. Also confirm how the supplier will handle a specification change after approval. These questions help purchasing teams reduce avoidable delays and keep product records aligned with what is ordered.

Supplier Evaluation Checklist

• Can the supplier provide a current, itemized specification sheet and confirm the exact offered configuration?
• Are SFP reticle subtensions and any calibration magnification documented?
• Can the supplier provide a sample or explain how pre-production approval works?
• Are inspection criteria, packaging, warranty terms, MOQ, and lead time stated in the quotation?
• Are customization capabilities and any market-specific documentation requirements clearly explained?

ENJO SPORTS can discuss the 1.7-10X40 SFP hunting scope with ED glass with professional buyers evaluating product specifications, sourcing options, or customization needs. Availability, configuration, MOQ, lead time, and support should be confirmed for each inquiry rather than assumed from a general product description. Share your target market, requested reticle, order expectations, and packaging requirements to help establish a comparable proposal. Buyers should also verify the product’s suitability and legal requirements for their destination market.

Conclusion: What Should Buyers Do Next?

A 1.7-10X40 SFP hunting scope with ED glass is worth evaluating when the 1.7×–10× range, 40 mm objective, SFP reticle behavior, and optical design match the intended application. The model name provides a useful starting point, but it does not confirm field of view, eye relief, adjustment performance, or measured image quality. Request the complete specification sheet, clarify the reticle’s reference magnification, and evaluate a sample against written acceptance criteria. Then compare suppliers on the same configuration and confirm MOQ, lead time, customization, and documentation before committing to a purchase.

Want more information on 1.7-10X40 SFP Hunting Scope with ED Glass? Feel free to contact us.