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Delta Optical Titanium

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Delta Optical Titanium Binoculars.

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Description of Delta Optical Titanium Porro Binoculars

Delta Optical are perfect entry-lever binoculars for youth hunters, bird watchers and observers of the nature. You can choose between 7 models for daytime use, nighttime use and also stargazing. Porro prism system makes them a little sturdier and less portable but provides incredibly bright images which other roof prism binoculars in the same affordable price range cannot. This traditional setting is upgraded with ash green rugged rubber armoring to make binoculars durable and resistant for many years. They are also protected with nitrogen gas and tight seals so you can take them with you during rainy days. This series also offer 8x56 ED model with apochromatic lenses that also improves optical performance in challenging light.

Description of Delta Optical Titanium ROH Binoculars

Delta Optical Titanium ROH binoculars are extremely lightweight considering its power and have incredible ergonomics for easy handling. At affordable price you can get entry level binoculars with wider field of view, good optics and protective features such as nitrogen filled construction and thick rugged rubber armoring. Compared to Porro prism type of Titanium series, these models are easier to hold in hands and carry around. You can choose between 8x56, 10x56 and 12x56 configurations in green colors, perfect for twilight and nighttime observations for hunters, bird watchers, astronomers and other wildlife enthusiasts.

Important features of Delta Optical Titanium Porro Binoculars

The traditional aesthetic design of this Delta Optical Titanium binoculars that is only seen in porro prism binoculars is upgraded with many modern features. One of which is rubber armoring in green color that helps you to blend in even better when on an adventure. Armoring is also rugged to provide firm grip to eliminate accidental falls of binoculars. The thick rubber armoring that encloses the construction also prevents impacts to damage them. The other most prominent feature is protection. Delta Optical Titanium Porro series are filled with nitrogen gas that serves for eliminating internal condensation when you face sudden temperature changes especially during the dusk and down. They are tightly sealed so the construction is impervious to moisture, dust and other particles that could damage them. Titanium Porro series is equipped with eyecups that rotates up and down and makes perfect eye-relief even for eye glass wearers.

Important features of Delta Optical Titanium ROH Binoculars

Even though these binoculars have bigger power and bigger objective lenses, they are still very lightweight and compact. Even the biggest 12x56 is the same size than the smaller model in the series. 8x56 model is also incredibly recognizable among hunters, earning its place among the finalists at The Good Design Competition. Wild Und Hund magazine gave it also 3 of 4 stars in their review. Delta Optical Titanium ROH binoculars are equipped with nitrogen gas construction that eliminates internal condensation when sudden temperature changes occur and are tightly sealed to make them waterproof and resistant to corrosion. Lightweight aluminum housing is enclosed in rugged rubber armoring that helps to protect them against impacts and also provides secure grip that won’t slip. You can take them with you without worrying about getting in contact with rain or even snow. Titanium ROH has very desirable open-hinge design, that helps you to wrap hands around and carry them much easier than binoculars with traditional bridges. This setting also helps you to hold binoculars and adjust the focus at the same time.

Optical properties of Delta Optical Titanium Porro Binoculars

Optically, these binoculars perform incredibly well for such an affordable price. Porro prism design makes these binoculars a little bit heavier compared to roof prism binoculars but more bright. Lenses are multi-coated and phase corrected to minimize any distortions. This features combined makes images not only bright, but also enough sharp and clear to maximize your visual experience. This series also have 8x56 ED model, with extra-low dispersion glass that gives more details and minimizes chromatic aberration. Focusing is adjusted with central focus knob and right-eye diopter, to make your view-through absolutely perfect. These binoculars have also generous field of view that also helps you when you are following fast moving objects or subjects such as birds. You can also choose 7x50 binocular that is perfect for marine use, since they eliminate sea sickness.

Optical properties of Delta Optical Titanium ROH Binoculars

Optically these binoculars perform incredibly well if you take into account the price. Prisms are made by BaK4 glass and have are fully multi-coated with anti-reflective coatings that helps to enhance light transmission rate and make images incredibly lifelike – colorful and razor sharp. Designed for observations during different conditions, these binoculars won’t let you down in even the most challenging light and is perfect even for stargazing. One of the brightest binoculars on the market are equipped with central focusing and right-eye diopter that helps you for incredibly accurate adjustments if you might have any eyesight differences between both eyes. Eyecups are multi-positioned with click-stops, ideal for those wearing glasses. They are also equipped with tripod adaptable screw (6.35 mm or ¼ inch) very convenient for bigger models that produces shakier images, you aren’t able to reduce just by a firm grip. Titanium ROH binoculars have slightly wider field of view and very good close focus view from 1.45m – 1.8m, ideal for micro observations. You can easily focus on smaller objects or subjects such as insects or use these binoculars for butterfly hunting.

Features of Delta Optical Titanium Binoculars

Fully multi-coated (ED – apochromatic)
Aluminum Body
Porro Prism System / Schmidt-Pechan Prism Type
Phase Correction
Prism Coatings
Bak4 Prisms
Rugged Rubber Armoring
Twistable Eyecups / Multi-positioned Eyecups
Central Focus Wheel
Right-eye Diopter
Splash-proof and fog-proof (Nitrogen filling) / Waterproof and Fog-proof (Nitrogen filling)
Tripod Adaptable
Wider FOV

Accessories of Delta Optical Titanium Binoculars

Neck Strap
Protective Case
Case Strap
Objective Lens Covers
Rainguards (only with DO Titanium Porro Prism Binoculars)
Lens Cleaning Cloth

Available models of Delta Optical Titanium Porro Binoculars

DO Titanium Porro 8x42	Short-range, daytime observation model
DO Titanium Porro 10x42	Long-range, nighttime observation model
DO Titanium Porro 7x50	Long-range, nighttime observation model, marine
DO Titanium Porro 8x56	Short-range, nighttime observation model
DO Titanium Porro 8x56 ED	Short-range, nighttime observation model
DO Titanium Porro 10x56	Long-range, nighttime observation model
DO Titanium Porro 9x63	Short-range, nighttime observation model

Available models of Delta Optical Titanium ROH Binoculars

DO Titanium ROH 8x56	Short-range, nighttime observation model
DO Titanium ROH 10x56	Long-range, nighttime observation model
DO Titanium ROH 12x56	Long-range, nighttime observation model

Warranty Terms and Conditions

Delta Optical gives 10 years of warranty for all Titanium Porro and ROH series and 5 years for ED Porro model. The company repairs or replaces damaged products, without charge - covering defects in materials and workmanship.

You can learn more about our own warranty policy on the following link: https://www.optics-trade.eu/en/warranty-policy.html

No matter what happens to your binoculars, we will be here to help you.

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Delta Optical Titanium 8x56 ROH roof

$379.00

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VIDEO

General properties

Hunting in low-light situations at dusk and dawn or even at night is especially popular in Europe and many binocular manufacturers are producing binoculars that are especially good in such situations.

Low light binoculars offer exit pupils with a diameter of approximately 7mm, which is the maximum value the human eye can use.

Low Light binoculars also offer very high light transmission rates and are built to gain as much light as possible.

Common features:

50 or 56mm objective lens diameter
High light transmission rate
7x or 8x magnification
Porro prism or Abbe Koenig prism system
Individual focusing for each eye (common in some low-light binoculars)
Exit pupil in diameter of at least 6mm

Importance of light transmission rate

The light transmission rate is of paramount importance in Low Light Binoculars because when using binoculars in low light conditions it is very important that all the light captured by the objective lens comes to the eye.

The light transmission rate depends on:

The quality of the glass,
The quality of the coatings on the lenses,
The prism type (Abbe Koenig and Porro are better than the Schmidt-Pechan, where up to 8% light is lost when compared with the first two).

Objective lens and magnification

Objective lens

It is very important that Low Light binoculars have a very large input lens (most often 50 or 56 mm ) in order to capture as much light as possible.

Magnification

By increasing the magnification, the exit pupil gets narrowed, so we see a less bright picture with binoculars with higher magnification. For this reason, the most common magnifications are 7x and 8x.

8x56 is the most optimal configuration, as the 56 mm objective lenses collect a great amount of light, and the 8x magnification has an exit pupil diameter exactly 7 mm which fits the human eye best. 7x50 configuration is slightly less common but usually more compact, also offering 7 mm exit pupil diameter. 8x56 and 7x50 are the golden standard for binoculars designed for using at dusk and dawn.

Importance of exit pupil diameter

It is optimal that the exit pupil diameter is exactly as large as the eye can widen. In a healthy eye (up to 50 years of age), the pupil can expand up to 7 mm.

The gain of light that passes through the binoculars is 100%. For those who are older and their pupil diameter does not expand up to 7 mm, the light gets lost, but still the binoculars with 7 mm exit pupil diameter remain the most comfortable binoculars to watch through.

Older people can choose8x50 or 8x42 in order not to carry such heavy binoculars and still see a bright enough picture. They will, however, be less comfortable to use, compared with 8x56.

Importance of prism type

Porro and Abbe Koenig prisms have a significantly better light transmittance, and therefore, in Low Light Binoculars we tend to this type of prism and not the Schmidt-Pechan. 8x56 configuration will be notably brighter with Abbe Koenig or Porro prism than with a Roof/ Schmidt-Pechan prism.

Binoculars with Porro prism

The design of Low Light Binoculars with Porro prism remained the same until today. This type of binoculars offers excellent light transmission. Usually, they have separate focusing for each eye. Their biggest advantage is excellent water tightness and the fact that they can be bought at a good price. The disadvantage is that they are extremely large and less comfortable than those with a Roof prism and they are heavy.

Low Light Binoculars with Abbe Koenig prisms

This is currently the most modern trend among Low Light Binoculars and is the best possible, as far as ergonomics and light transmittance are concerned. With this kind of binoculars, you get a light transmittance of a Porro prism and compactness almost the same as from the Schmidt Pechan prism.

Usually, these binoculars are larger with longer barrels. Their main disadvantage is high price and limited choice; only Zeiss, Docter and Swarovski are manufacturing them.

Binoculars with individual focusing

This system is only found on Porro binoculars. These binoculars are perfectly sealed against the ingress of water. Focusing is only set once in good light conditions and then we can leave it since it works well in all conditions.

They are a good solution for low light use because with a central focus you usually get confused in the dark, you do not know if it's sharp enough or not because you do not see well in the dark.

The big disadvantage is that the close focusing distance is very long (from 15 to 20 m onwards).

Binoculars with central focusing (left) and binoculars with individual focusing (right) Source: Optics Trade

Best Compact Low-Light Binoculars

There is no such thing as compact Low Light Binoculars - but some are smaller. The only ones who have succeeded in making slightly smaller low-light binoculars are Zeiss and Swarovski.

Best Zeiss Compact Binos

Zeiss offers a combination of special HT glass, Abbe Koenig prism and finishing T * coatings (8x54, which is about 20% smaller and lighter than the classic 8x56 binoculars with the same brightness, some also say it is the brightest pair of binoculars in the world).

Best Swarovski Compact Binos

Swarovski Habicht 7x42 has a Porro prism and is extremely lightweight and useful for hunting in the dark.

Difference between Low Light binoculars and NV Optics

As mentioned before, Low Light Binoculars perform great at dusk or dawn, but seeing in complete darkness is an entirely different thing. Compare to low-light binoculars seeing with NV Optics on a pitch-dark night is much better. However, NV Optics is not the best choice when there is some light (dusk or dawn). Too much light can cause some real damage to the cathode (image intensifying tube), which means that NV Optics can not be used in the day time.

Besides the fact that Low Light Binoculars can be used at the daylight, the resolution and image details are also much better. The image quality and sharpness are notably worse when it comes to the NV Optics (mainly Digital), and magnification is also lower as with low-light binoculars. In essence, this is also one of the reasons why image details are better seen with low-light binoculars.

Another useful feature of binoculars is that they can be adjusted to different light levels, but the downside is that they are more prominent and much more massive than NV Optics.

Importance of lens coating

Optical devices have a lot of glass surfaces in their optical construction. If the manufacturers weren't using special coatings on the glass surfaces, a lot of light would be lost when traveling through the optical device. Zeiss was the first company to realize that coatings on the glass surface help minimize the loss of light.

Before the use of coatings, the light loss was around 30-50%. With added coatings, the decline was only about 20%. Another useful feature of applying coatings to the lens is the absence of the flash.

The application of different coatings on the glass surface has a very beneficial effect on the light transmission rate and helps to improve the optical performance of the device.

Different ways of applying the lens coatings:

Coated: some lens surfaces are coated with one anti-reflective layer of material (usually metal or similar)
Fully coated: all the surfaces on all lenses in the optical device are coated with one layer of material
Multi-coated: some lens surfaces are coated in multiple layers
Fully multi-coated: all glass surfaces are coated in multiple layers

Today the most famous and popular lens coatings are T*Coating from Zeiss and Diamond coating from Steiner. T*Coating eliminates the effect of stray light, while Diamond coating delivers the best clarity and contrast.

Low Light performance and quality of Range Finding Binoculars

In general, the rangefinding technology lowers the light transmission of binoculars. This means that for proper use in low light conditions, the objective lens diameter has to be around 56mm. Only the best rangefinding binoculars with excellent optical performance do not have a problem with light transmission rate, while binoculars of lower quality suffer from it.

Best Rangefinding Binoculars for use in Low Light conditions

Leica Geovid 8x56 3200.COM,
Leica Geovid 8x56 HD-R 2700, and
Zeiss Victory RF 8x54.

Best Low Light Binoculars for hunting

The best low light binoculars are made by

Zeiss,
Steiner,
Swarovski, and
Fujinon.

Best Zeiss Low Light Binoculars

Zeiss Victory HT series features Abbe Koenig prisms and special HT glass, which was made especially for observing when light conditions are not ideal.

Best Steiner Low Light Binoculars

Nighthunter series from Steiner is famous for its usability in low light conditions, and fully-multi coated glass. The series features Porro prisms, which perform great in low light. Porro prisms also offer a focusing system separated for both eyes.

Best Swarovski Low Light Binoculars

SLC binoculars are the first and only binoculars from Swarovski that features Abbe-Koenig prisms. Thanks to the fully-multi coatings on all lenses, the image is razor-sharp and free of any distortions.
Another great low light pair of low-light binoculars from Swarovski are Habicht 7x42 GA. Binoculars with Porro prism provides incredibly bright, colorful, and sharp images. It comes with green rubber armor for protection against corrosion and abrasions.

Best Fujinon Low Light Binoculars

The last on the list of best low light binoculars is Fujinon 7x50. Like Nighthunter binoculars, Fujinon features Porro prisms and individual focusing system. It provides focusing on each eye separately, which is a significant advantage since you can set it only once. Once the system is set, the eyes focus on different distances by themselves.

A short presentation of Low Light Binoculars is available here.

Slideshare Presentation of Low Light Binoculars

Short Presentation | Low light binoculars | Optics Trade de Optics-Trade

Delta Optical Titanium Binoculars.

VIDEO

Description of Delta Optical Titanium Porro Binoculars

Description of Delta Optical Titanium ROH Binoculars

Important features of Delta Optical Titanium Porro Binoculars

Important features of Delta Optical Titanium ROH Binoculars

Optical properties of Delta Optical Titanium Porro Binoculars

Optical properties of Delta Optical Titanium ROH Binoculars

Features of Delta Optical Titanium Binoculars

Accessories of Delta Optical Titanium Binoculars

Available models of Delta Optical Titanium Porro Binoculars

Available models of Delta Optical Titanium ROH Binoculars

Warranty Terms and Conditions

Delta Optical Titanium 8x56 ROH roof

Delta Optical Titanium 8x56 ED porro

VIDEO

General properties

Common features:

Importance of light transmission rate

The light transmission rate depends on:

Objective lens and magnification

Objective lens

Magnification

Importance of exit pupil diameter

Importance of prism type

Binoculars with Porro prism

Low Light Binoculars with Abbe Koenig prisms

Binoculars with individual focusing

Best Compact Low-Light Binoculars

Best Zeiss Compact Binos

Best Swarovski Compact Binos

Difference between Low Light binoculars and NV Optics

Importance of lens coating

Low Light performance and quality of Range Finding Binoculars

Best Rangefinding Binoculars for use in Low Light conditions

Best Low Light Binoculars for hunting

Best Zeiss Low Light Binoculars

Best Steiner Low Light Binoculars

Best Swarovski Low Light Binoculars

Best Fujinon Low Light Binoculars

Slideshare Presentation of Low Light Binoculars

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