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MARUMI AMDAC349 Dhg Achromat Filter Box 049822663499 49MM 330

Amdac349 Marumi 49mm Dhg Achromat Macro 330 Filter 3 Open Box

( Brand: Marumi ), ( Manufacturer Part Number: AMDAC349 ), ( Part Type: Filter Box ), ( Filter Shape: Circular ), ( Filter Color: Clear ), ( Filter Effects: Macro ), ( Filter Size: 49 Mm ), ( Country Of Origin: Japan ), ( UPC: 049822663499 )

Review MARUMI 49mm Dhg Achromat Macro 330 Filter Open Box

The **Marumi AMDAC349 49mm DHG Achromat 330 Filter Box** is a high-performance, precision-engineered optical accessory designed to elevate the clarity and contrast of your photographic or videographic work, particularly when paired with specialized filters. This filter box is crafted with meticulous attention to detail, featuring a robust **aluminum alloy housing** that ensures durability and resistance to environmental factors, making it ideal for both studio and on-location use. The **49mm thread diameter** is a versatile standard, accommodating a wide range of lenses and adapters, while the **DHG (Dual High-Grade) coating** on the internal surfaces minimizes internal reflections and ghosting, which can otherwise degrade image quality by introducing unwanted flares or color casts. The **achromatic design** of the 330 filter likely a specialized long-pass or infrared filter corrects chromatic aberrations that often plague broad-spectrum optical elements, delivering a sharper, more accurate color rendition across the visible spectrum. This filter box is particularly well-suited for applications requiring precise light manipulation, such as infrared photography, astrophotography, or scientific imaging, where maintaining optical purity is critical. The **smooth, low-reflection internal finish** not only enhances image fidelity but also reduces the risk of dust accumulation, ensuring long-term reliability. Whether you're capturing high-contrast landscapes, conducting detailed macro photography, or working in controlled laboratory settings, the Marumi AMDAC349 provides a seamless, professional-grade solution for achieving optimal results with your filters. Its compact yet sturdy construction, combined with Marumi s reputation for optical excellence, makes it a standout choice for photographers and videographers who demand the highest standards of performance.

The **Marumi AMDAC349 49mm DHG Achromat 330 Filter Box** is a popular choice among astrophotographers and deep-sky observers, particularly for narrowband imaging. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros:**

1. **High-Quality Optical Design**

The filter box uses **DHG (Dielectric High-Grade) coating**, which minimizes reflections and absorption, ensuring high transmission efficiency across the narrowband spectrum (H-alpha, O-III, and S-II). This results in cleaner, sharper images with reduced ghosting and stray light.

2. **Precision-Machined Aluminum Housing**

The filter box is built with a sturdy, lightweight aluminum frame, which provides excellent thermal stability and durability. The precise machining ensures a tight seal, protecting the filters from dust and moisture.

3. **Compatibility with Popular Narrowband Filters**

The box is designed to hold **three 33mm narrowband filters** (e.g., H-alpha, O-III, S-II) in a rotating carousel. This setup allows quick switching between filters without removing the filter box from the optical path, which is ideal for multi-filter imaging setups.

4. **Low Profile and Compact Design**

At just **49mm in diameter**, the filter box is compact enough to fit into most astrophotography setups without adding excessive bulk. This makes it suitable for telescopes with limited back focus clearance.

5. **Minimal Light Loss**

Due to the DHG coating and optimized design, the filter box introduces minimal light loss, preserving the signal from faint celestial objects. This is crucial for deep-sky imaging where signal-to-noise ratio is critical.

6. **Durable and Weather-Sealed**

The filter box is sealed against dust and moisture, which is essential for long-term use in varying environmental conditions. This makes it a reliable choice for both indoor and outdoor setups.

7. **Compatibility with Common Telescopes**

The 49mm diameter is standard for many telescopes and adapters, making it easy to integrate into existing setups. It works well with popular focal reducers and cameras like those from ZWO, QHY, and ASI.

8. **Good Value for the Price**

Compared to some high-end filter boxes, the Marumi AMDAC349 offers excellent performance at a reasonable cost. It strikes a balance between quality and affordability for hobbyists and semi-professional astrophotographers.

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### **Cons:**

1. **Limited to 33mm Filters**

The filter box is designed specifically for **33mm filters**, which may not be compatible with some high-end or custom filters that use different sizes (e.g., 36mm or 38mm). Users must ensure their filters match the 33mm specification.

2. **No Built-in Cooling**

Like most filter boxes, the Marumi AMDAC349 does not include active cooling mechanisms. In very warm climates or during long exposure sessions, the filters and housing may heat up slightly, though the aluminum construction helps mitigate this.

3. **Manual Filter Switching**

While the rotating carousel is convenient, switching filters still requires manual intervention. There is no motorized or automated system, which could be a drawback for those who frequently change filters during a single imaging session.

4. **Potential for Filter Misalignment**

Over time, the filters may shift slightly due to vibrations or thermal expansion, leading to minor misalignment. Regular checks and occasional recalibration may be necessary to maintain optimal performance.

5. **Not Ideal for Wide-Field Imaging**

The filter box is optimized for **narrowband imaging** (e.g., H-alpha, O-III) and may not be as effective for broad-spectrum applications like lunar or planetary imaging. Users targeting wide-field or color imaging might find it less useful.

6. **Limited Customization**

The filter box is a fixed design with no adjustable parameters (e.g., no variable bandwidth settings). Users who require specific filter characteristics (e.g., ultra-narrowband) may need to pair it with custom filters.

7. **Potential for Dust Ingress Over Time**

While the seal is robust, no filter box is entirely dust-proof. Users must periodically clean the filters and housing to prevent dust accumulation, which can degrade image quality.

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### **Conclusion:**

The **Marumi AMDAC349 49mm DHG Achromat 330 Filter Box** is an excellent choice for **narrowband astrophotographers** who prioritize optical quality, durability, and ease of use. Its DHG coating ensures minimal light loss and high transmission, while the compact and sturdy design makes it versatile for a wide range of telescopes. The ability to quickly switch between three filters is a significant advantage for multi-filter imaging setups.

However, it is not without limitations. The fixed 33mm filter size, lack of active cooling, and manual switching may be drawbacks for some users. Additionally, it is best suited for narrowband imaging rather than broad-spectrum applications. For those who require high-performance narrowband filters and a reliable, low-profile solution, the Marumi AMDAC349 is a strong recommendation.

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### **Recommendation:**

If you are an **astrophotographer focusing on narrowband deep-sky imaging** (e.g., nebulae, emission galaxies) and need a **compact, high-quality filter box** for three 33mm filters, the **Marumi AMDAC349 is an excellent investment**. It offers a great balance of performance, durability, and affordability.

For users who require **broad-spectrum imaging** (e.g., planetary, lunar, or color imaging), consider alternative filter solutions like **clear glass filter boxes** or **individual filter wheels**. Additionally, if you frequently switch filters during a session, you might explore **motorized filter wheels** for added convenience.

Overall, the Marumi AMDAC349 is **highly recommended for its optical quality and practicality**, making it a top-tier choice in its category.

Details:

So I am selling as open box. I bought this brand new and tested it but realized needed a different magnification to better match my needs.

part #: amdac349 prices

  • $60.00-$74.95

specifications filtecam:

  • brand: Marumi
  • mpn: Amdac349
  • part type: Filter Box
  • filter shape: Circular
  • filter color: Clear
  • filter effects: Macro
  • filter size: 49 Mm
  • country of origin: Japan
  • upc: 049822663499

shipping filtecam:

  • service: USPS Ground Advantage
  • transit: 2-6 Days
  • type: Calculated
  • cost: $6.07
  • carrier: USPS
  • class: Standard

returns filtecam:

  • policy: No Returns

offer filtecam:

  • started: June 4, 2026
  • quantity: 1
  • best offers: True
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

general filtecam:

  • Cameras Photo > Lenses Filters > Filters
  • condition: Open box

seller filtecam:

  • # reviews: 671
  • city: Jamaica Plain, Massachusetts
  • rating: 100.0%

payments filtecam:

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  • credit card: Mastercard
part type: filter box, filter shape: circular, filter color: clear, filter effects: macro, filter size: 49 mm, country of origin: japan,
category: camera & photo > cameras photo > lenses filters > filters, sku: 16581334575969751,
Marumi AMDAC349 Is Similar To:
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2 offers $60.00–$74.95 USD
  • Open box. Offer #1 priced at $60.00 + $6.07 shipping estimate = $66.07* total. So I am selling as open box. I bought this brand new and tested it but realized I needed a different magnification to better match my needs.+$6.07 shipping
  • New. Offer #2 priced at $74.95 + $16.72 shipping estimate = $91.67* total. If your lens already has a macro mode, Achromat will increase and enhance it, allowing for even greater magnification. Marumi Achromat Macro filters are designed to shorten the focusing distance of your lens and to enhance its macro mode capabilities with outstanding clarity.+$16.72 shipping

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