Astronomical binoculars SIGETA Asterial 25x100 (with case) buy in Ukraine AstreiaTactical

The SIGETA Asterial 25×100 astronomical binocular with case is a premium-class optical instrument designed for observing celestial objects and distant terrestrial targets. The combination of 25× magnification and large 100 mm objective lenses delivers high light-gathering capability, sharpness, and detailed imagery in low-light conditions.
It is optimized for night and twilight observation, where brightness, contrast, and image stability are essential. The included aluminum case ensures safe storage and convenient transportation both at home and in outdoor environments.

🫡 We are a team of veterans

We evaluate optics based on real-world usability. The Asterial 25×100 is a stationary binocular that performs best when mounted on a tripod. Such instruments are valuable not only for astronomy but also for training and specialized long-range observation tasks where maximum detail and stability are required.

⚙️ Technical specifications

Parameter	Value
Magnification	25×
Objective lens diameter	100 mm
Field of view (at 1000 m)	43 m
Angular field of view	3.25°
Exit pupil diameter	4 mm
Eye relief	16.5 mm
Minimum focusing distance	25 m
Twilight factor	50
Light transmission factor	16
Diopter adjustment	+4 / −4
Interpupillary distance	55–73 mm
Optical design	Porro
Prisms	BAK4
Lens coating	Fully multi-coated
Focusing	Individual eyepiece focusing
Eyecups	Fold-down
Housing	Rubber-armored, non-slip
Waterproof	Yes
Tripod mount	Yes
Binocular dimensions	450 × 243 × 120 mm
Binocular weight	4.5 kg

💬 Commentary

The SIGETA Asterial 25×100 is intended for extended stationary observation. Individual eyepiece focusing allows precise image adjustment, while the large objective lenses provide confident performance in low-light environments. It is a specialized tool for users who prioritize image detail over portability.

🎯 Who it is suitable for

military and training units requiring stationary long-range observation
volunteers and instructors
amateur astronomers
users focused on night and twilight observation
anyone needing maximum detail with a tripod-mounted binocular

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Astronomical binoculars SIGETA Asterial 25x100 (with case)

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SKU: 3512

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$629

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Features

Type	Binocular

Return conditions for goods of proper quality

Return conditions for goods at astreiatactical.com.ua

The item is not eligible for return:

If the item is free of defects, but more than 14 days have passed since the purchase.
If the item shows signs of use.
If defects appeared on the item due to the buyer's fault.
If the item is free of defects, but the factory packaging is opened or damaged.
If the receipt and warranty card are missing.

Exchange and return of goods is carried out via Nova Poshta:

Recipient: Sakhonenko Kseniia Serhiivna

Nova Poshta branch No. 9, Chernihiv, Krasnosilskoho St., 59, 14021

tel. +380993230988

Or at the address:

Oleny Telihy St., 1A, 04112, Kyiv, Ukraine

Which goods are subject to exchange or return:

goods for which there is a postal service receipt
goods in original packaging with preserved tags and labels that have not been used
goods purchased less than 14 days ago

Return conditions for goods of improper quality

Goods of improper quality have defects that make their use for the intended purpose impossible. The buyer has the right to return/exchange received goods of improper quality if they received:

- goods that have already been used and have a non-marketable appearance;

- goods with a defect;

- goods with an incomplete set;

- goods with damage (chips, scratches, stains, etc.).

Procedure for returning goods:

Call us and inform about your intention to return the paid item;
Provide the declaration number of the sent parcel and the bank card number for the refund;
After receiving the goods, within two business days we return your money or send another item

Conditions for shipping payment during return:

When returning goods and sending new goods to the buyer, shipping is paid by the buyer. In this case, the shipment of new goods is carried out only after receiving and inspecting the returned goods.
When refunding money, in case of non-payment for the return shipping by the buyer, the shipping amount is deducted from the refund.
If the item does not match the description due to the seller's fault, shipping both ways is paid by the seller.

Exchange and return of goods is carried out via Nova Poshta:

Refunds are made after receiving the goods.
Refunds are made to the card
Refunds are processed within 2 days from the moment the seller receives the parcel at the Nova Poshta branch.