# M40 3X Red Dot Magnifier with Flip to Side Mount, Focus Adjustment, Windage & Elevation Adjustable, 37/40MM Height, Black — resale value

Source: JunkPal price guide — https://junkpal.ai/products/m40-3x-red-dot-magnifier-with-flip-to-side-mount-focus-adjustment-wind-b0b463fj1w

**M40 3X Red Dot Magnifier with Flip to Side Mount, Focus Adjustment, Windage & Elevation Adjustable, 37/40MM Height, Black** sells for about **$103.99** new or sealed, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/m40-3x-red-dot-magnifier-with-flip-to-side-mount-focus-adjustment-wind-b0b463fj1w

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $103.99 |

Values are medians of real closed eBay sales, updated 2026-07-16. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DM40%25203X%2520Red%2520Dot%2520Magnifier%2520with%2520Flip%2520to%2520Side%2520Mount%252C%2520Focus%2520Adjustment%252C%2520Windage%2520%2526%2520El%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DM40%25203X%2520Red%2520Dot%2520Magnifier%2520with%2520Flip%2520to%2520Side%2520Mount%252C%2520Focus%2520Adjustment%252C%2520Windage%2520%2526%2520El%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | feagle |
| Category | Camera & Photo |

## About

The feagle M40 3X Red Dot Magnifier is a camera and photo accessory featuring a flip-to-side mount, focus adjustment, and adjustable windage & elevation. It has a height of 37/40MM and a black finish.

This magnifier is sought after by photographers and outdoor enthusiasts requiring precise magnification for their camera setups.

Resale value is influenced by the item's condition, whether all components are complete, and any specific edition details.

## FAQ

**What is the feagle M40 3X Red Dot Magnifier?**

It is a camera and photo accessory that functions as a 3X Red Dot Magnifier with several adjustment features.

**What factors affect its resale value?**

Resale value is determined by the item's condition, completeness, and edition.

**Does it have mounting options?**

Yes, it features a flip-to-side mount for versatile attachment to camera equipment.

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Full price guide: https://junkpal.ai/products/m40-3x-red-dot-magnifier-with-flip-to-side-mount-focus-adjustment-wind-b0b463fj1w
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-16, based on real sold listings (junkpal.ai)"