OBERWERK BT100-45 Giant Binocular Telescope BT-100-45 25X100

( Brand: Oberwerk ), ( Manufacturer Part Number: BT100-45 ), ( Type: Binoculars ), ( Size: Mid-size ), ( Color: Gold ), ( Maximum Magnification: 25x )

Review OBERWERK Giant Binocular Telescope 25x100 45 Hard Case As is

Oberwerk BT100-45 Giant Binocular Telescope - A Powerful Observational Instrument

The Oberwerk BT100-45 Giant Binocular Telescope, model BT-100-45, is a remarkable piece of astronomical equipment designed for serious stargazers seeking a high-powered and immersive observational experience. This pre-owned Oberwerk BT100-45 stands out with its impressive 25x magnification and 100mm objective lens, offering an exceptional light gathering ability that ensures bright and clear views of celestial objects even in low light conditions.

The BT100-45 is a binocular telescope, meaning it utilizes two separate optical paths for each eye, providing a more natural and immersive viewing experience compared to monocular telescopes. The 45-degree angled eyepieces offer a comfortable viewing position, reducing eyestrain during extended observational sessions.

This pre-owned telescope is equipped with high-quality optical components, including BAK-4 prisms and fully multi-coated lenses, which minimize light loss and ensure maximum image clarity, contrast, and color fidelity. The robust construction of the BT100-45 ensures durability, making it suitable for various weather conditions and field use.

The Oberwerk BT100-45 Giant Binocular Telescope comes with a sturdy tripod for stable and secure observations, as well as a carrying case for easy transportation and storage. This pre-owned telescope is a great choice for experienced astronomers or those looking to upgrade their observational equipment, offering a unique and captivating view of the cosmos. Please note that this is an as-is item, and while it has been inspected and tested to ensure it functions properly, imperfections may be present due to its pre-owned nature.

The Oberwerk BT100-45 (BT-100-45 Giant Binocular Telescope 25x100 45) is a large binocular telescope that offers some unique features, but it's essential to consider its pros and cons before making a purchase, especially if it's labeled as "as-is".

1. Wide Field of View: With a 25x magnification and 100mm objective lens, this telescope provides a wide field of view, making it suitable for stargazing, terrestrial observation, and even for bird watching.

2. High Light Gathering Capacity: Due to its large objective lens, the BT100-45 has a high light gathering capacity, enabling better performance in low-light conditions.

3. Comfortable Viewing: The binocular design reduces eyestrain compared to traditional telescopes, making it comfortable for extended viewing sessions.

4. Durable Construction: Oberwerk is known for its robust and weather-resistant telescopes, which can withstand various environmental conditions.

1. Size and Weight: At 100mm objective lens and 45mm eye relief, this telescope is quite large and heavy, making it less portable and more challenging to handle, especially for extended periods.

2. Potential Quality Issues (As-Is): If the telescope is labeled as "as-is", there may be unspecified quality issues, such as cosmetic damage, performance issues, or missing accessories. It's crucial to thoroughly inspect the product or inquire about its condition before purchasing.

3. High Price Point: Although the BT100-45 offers unique benefits, its price point is relatively high, which could be a disadvantage for budget-conscious buyers.

The Oberwerk BT100-45 is an attractive option for those seeking a wide field of view, high light gathering capacity, and comfortable viewing experience. However, its size, weight, and potential quality issues (if labeled as "as-is") should be carefully considered. If you're willing to invest in a high-quality, albeit large and potentially problematic telescope, the BT100-45 could be a good fit. But, it's essential to consider other alternatives within your budget and assess whether the benefits outweigh the drawbacks for your specific needs.

If portability, budget, or potential quality concerns are significant factors, you may want to consider other binocular telescopes within the 100mm objective lens range. Alternatively, if you're looking for a more compact option, consider binoculars or smaller telescopes with similar magnification and light-gathering capabilities. Always ensure to research extensively and read customer reviews to make an informed decision based on your individual requirements.

Details:

Objective size: 100mm 25 100. Up for sale is an Oberwerk BT-100-45 giant binocular telescope featuring fixed 25 magnification and large 100mm objective lenses. This is a well-known Oberwerk model used for astronomy and long-range terrestrial viewing. Condition AS-IS / For Parts or Repair.

Only items shown in photos are included. Brand: Oberwerk. Untested beyond basic inspection. Large, heavy item.

Optics: Fully multi-coated. Optics appear clear by visual inspection. Mount: Built-in tripod mounting block. Color: Cream / off-white.

Model: BT-100-45. Specifications. Case: Aluminum hard carrying case with foam. Magnification: 25 fixed.

No visible cracks in objective lenses. Body shows cosmetic wear, including a visible scuff/scratch see photos. No tripod included. Case shows normal wear from storage /transport.

Ships well packed inside the hard case.

part #: bt10045 price

• $1250.00

specifications binoculamonocul:

• brand: Oberwerk
• mpn: Bt100-45
• type: Binoculars
• size: Mid-size
• color: Gold
• maximum magnification: 25x

general binoculamonocul:

• Cameras Photo > Binoculars Telescopes > Binoculars Monoculars
• condition: For parts or not working

shipping binoculamonocul:

• class: Economy
• transit: 6-13 Days
• cost: $125.26
• type: Calculated
• carrier: UPS
• service: UPS Ground Saver

offer binoculamonocul:

• sold: 0
• best offers: True
• quantity: 1
• started: December 27, 2025
• availability: In Stock
• options: Ship-to-home

payments binoculamonocul:

• credit card: Mastercard
• wallet: Paypal
• other

seller binoculamonocul:

• # reviews: 724
• rating: 97.7%
• city: Webster, Texas

returns binoculamonocul:

• policy: Returns Accepted
• time: 30 Days
• method: Money back
• paid by: Buyer

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