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Delta Optical
Binoculars series
Delta Optical Forest II

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Delta Optical Forest II Binoculars.

Description of Delta Forest II Binoculars

Forest II series made by Delta Optical offers extremely affordable binoculars that can satisfy every beginner. At the beginning only 42 mm models were available that were later enlarged to 50 mm, so you can choose between 5 different models in green color. Very lightweight and compact design helps you to ease the portability and great protective features makes them waterproof and fog-proof so you can take them with you on rainy days. Eyecups are multi-positioned, perfect for eye glass wearers and have a big grippy central knob for adjusting the focus with the help of a right eye diopter.

Important Features

Delta Forest II binoculars are incredibly lightweight and compact so you can easily store them and carry them around without fatiguing. When it comes to protection these very affordable Delta binoculars are also surprisingly well made. Housing is purged with nitrogen gas so you will never have to deal with internal fogging when facing sudden temperature changes in the nature. These binoculars are also tightly sealed to make the construction impervious to moisture or any other particles such as dust to enter the construction. Rugged rubber armouring in green color helps you not only make these binoculars protected against impacts but helps you with non-slip grip and green color helps you to blend in the nature very easily. 8x42 model received a lot of recognitions as the product of the year in 2011 and was also nominated for the Good Design award in 2013. It was also awarded with Good Purchase title after successfully facing the tests. Models are also equipped with tripod adaptable screw (1/4 inch /6.35 mm), very convenient for binoculars with greater magnifications that can cause less steady images.

Optical Properties

Optically Delta Forests II performs incredibly well for this price range. Glass surfaces are fully multi-coated and with the help of phase correction coatings provides bright images that are also colorful and sharp enough so your view-through is not compromised. Forest II also has also stunning field of view so you can easily follow even fast moving objects or subjects. These binoculars are equipped with multi-positioned eyecups that can be adjusted for ideal eye relief if you are a glass wearer or not. Focusing is adjusted with central focusing knob which is very big and grippy and you can easily use them without taking off your gloves. Right-eye diopter even helps you with any differences in eyesight you might have.

Accessories

Delta Forest II includes neck strap for easy carrying, objective covers for protection of the lenses and bag for storage and protection.

Features of Delta Forest II Binoculars

Fully multi-coated
Schmidt-Pechan Prism Type
Phase Correction
Prism Coatings
Bak4 Prisms
Rugged Rubber Armoring
Multi-positioned Eyecups
Central Focus Wheel
Right-eye Diopter
Waterproof and Fog-proof (Nitrogen filling)
Submersible (1 meter/30 minutes)
Tripod Adaptable
Wider FOV

Accessories of Delta Forest II Binoculars

Neck Strap
Protective Case
Objective Lens Covers
Lens Cleaning Cloth

Available models of Delta Forest II Binoculars

Delta Optical Forest II 8x42	Short-range, daytime observation model
Delta Optical Forest II 10x42	Long-range, low-light observation model
Delta Optical Forest II 8.5x50	Short-range, low-light observation model
Delta Optical Forest II 10x50	Long-range, low-light observation model
Delta Optical Forest II 12x50	Long-range, low-light observation model

Warranty Terms and Conditions

Delta Optical gives 5 years of warranty for Forest II series. 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 Forest II 8x42

$169.00

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VIDEO

General Features of 8x42 Binoculars

Binoculars with 8x magnification and a 42 millimeters objective lens diameter (8x42 Binoculars) are the most popular pair of binoculars on the market. They are also the most versatile binoculars and can be used for almost all applications.

Thanks to the 42 millimeters objective lens, this pair of binoculars still offer a fairly bright picture in a dark environment but are a lot lighter in weight and smaller compared to low-light binoculars.

Most binoculars with 8x42 configuration are made with Schmidt/Pechan Roof prisms (roof prism binoculars), but there are also some exceptions with integrated Abbe/Koenig prisms or even Porro prisms.

8x42 Binoculars

Binoculars with 8x42 configuration

Most Common Fields of Use

Binoculars with an 8x42 configuration can be used for any application. These binoculars are widely used by hunters thanks to their compact design and low weight.

Often such a pair of binoculars are also used for astronomy use because of the bright picture. Many binoculars feature also a tripod mount. When mounted, it is also a lot easier to observe since the picture is steady, and the user can focus on one object easier.

Need more Information about Binoculars with 8x42 Configuration?

8x42 Bird Watching Binoculars

8x42 - binocular is also very popular for bird watching since 8x magnification offers a wide field of view and a decent bright picture in dusk and dawn. 8x magnification is also enough for detailed observation of wild animals, and the shakiness of the users' hands is not as noticeable. This means that 8x42 are perferct bird watching binoculars.

Lightweight 8x42 Binoculars

Since 8x42 - binocular is a lot smaller and lighter, many users take them also to hiking trips and other activities. 8x42 - binocular is also not too big and not too heavy for transportation, and can easily be stored in a backpack.

Is 8x42 Better Than 10x42 Binoculars?

For a novice user or a hunter, binos with an 8x42 configuration are a better choice. The categories of 8x42 and 10x42 binoculars are the biggest among all binoculars categories on the market. "8x42 binoculars vs 10x42" is one the most frequently asked questions, regarding binoculars. There are no manufacturers that do not offer at least one binocular model in each category. Because of the big selection, the user gets the most quality for their money since every manufacturer streams for the best price/quality ratio.

Because of the smaller magnification, 8x42 binoculars offer a much wider field of view, which is important when observing moving animals. With 8x42 - binocular also the exit pupil is bigger and measures 5.25 millimeters, which is a very important number for low-light use. In dusk and dawn, the image appears brighter compared to 10x42 binoculars, so the animals can be observed for a longer time.

Also, 10x42 binoculars have some advantages. Thanks to the bigger magnification the image appears bigger, so the user gets many more details and a better resolution. 10x42 binocular is designed for daytime use and for experts, which are used to handling binoculars and can compensate for the shaking of their hands during observations. The exit pupil is 4.2 millimeters, which is far less compared to 8x42 - binocular, which is the main reason for the darker images at dusk and dawn.

8x42 Binocular VS 8x56 Binoculars

8x42 - binocular has many advantages over the 8x56 binocular, but 8x56 do outperform all 8x42 binoculars when it comes to the observation time in dusk and dawn. Thanks to the bigger objective lens the 8x56 binoculars gather a lot more light, which results in a brighter picture in low-light situations. The exit pupil is 7 millimeters, which is the widest a human eye can detect. 8x42 binoculars, for comparison, have 5.25 millimeters, exit pupil. Older people, whatsoever, can not see any difference in the brightness of the picture since the pupil of the human eye gets smaller with older years.

Swarovski SLC 8x56

Swarovski SLC 8x56 binocular

Mostly used, and the most universal pair of binoculars on the market are 8x42. They can be used for hunting, hiking, traveling, and many more. 8x42 - binocular offers a solid bright picture but still packed into a smaller housing for easier transportation. Due to the smaller dimensions also the weight is quite lighter, which is perfect for long trips, where every gram counts. 8x42 - binocular does also offer a slightly bigger field of view than 8x56 binoculars, so detecting an object or an animal is slightly faster.

8x42 Binocular VS 10x50 Binoculars

Pair of binoculars with a 10x50 configuration is very similar to 10x42 binoculars, except that they feature a slightly brighter picture for low light observations and a slightly smaller field of view.

The picture brightness can be compared to 8x42 - binocular, and the exit pupil measures 5 millimeters. One downside for 10x50 binoculars is whatsoever the bigger weight and the wider outer dimensions.

Best 8x42 Binoculars

The best 8x42 Binoculars come from the biggest names in this industry:

Zeiss Victory SF 8x42

Zeiss Victory SF 8x42 - binocular

The quality of premium binoculars is at the highest level as we would expect from such expensive products. If we compare binoculars from the same price, all binoculars from these manufacturers are equal in quality, each with its pros and cons.

Leica Noctivid 8x42

Leica Noctivid 8x42 - binocular

In the 8x42 configuration are also binoculars available with an integrated laser range finder. From Leica the Geovid, from Zeiss the Victory LR, and from Swarovski the EL-Range.

Swarovski EL 8.5x42

Swarovski EL 8.5x42 - binocular

Roof Prisms in 8x42 Binocular

Schmidt/Pechan prism binoculars

Schmidt Pechan prisms are produced all over the world. They are easy to produce and are the most common prism type in binoculars. They are very affordable, and the construction is small, lightweight, and compact. Compared to pair of binoculars with Abbe Koenig prisms with the same magnification and objective lens size, the pair of binoculars with Schmidt Pechan prisms are shorter in length.

The handling is easy and the ergonomics are very good. Binoculars with Schmidt/Pechan prisms are waterproof, but the light transmission rate is lower compared to the transmission rate of Abbe-Koenig prisms.

Abbe-Koenig Prism Binoculars

Abbe Koenig prisms are very common in a high-quality pair of binoculars, produced from the most known companies in this industry. They are very difficult to produce, and only 6 manufacturers worldwide produce Abbe Koenig prisms:

Zeiss,
Noblex,
Swarovski,
Leupold,
Sig Sauer, and
Optolyth.

Binocular with integrated Abbe Koenig prisms is longer but offer better light transmission. The ergonomics are very good, and all Abbe-Koenig prisms are waterproof. Because of that, Abbe Koenig prisms are mostly built into low-light binoculars in the configurations of 8x56 and 10x56. Also, other configurations are available with such prisms, but the selection is narrow.

Binoculars with Schmidt Pechan Pisms Binoculars with Abbe Koenig Prisms

8x42 - Binocular with Schmidt Pechan Prisms VS Abbe Koenig Prisms 8x42 - Binocular

Porro Prisms in 8x42 Binocular

Binocular with Porro prisms in the construction were the first type of binoculars on the market. This traditional arrangement of binoculars provided by Porro-prisms makes objective lenses further apart and thus offering a higher light transmission rate. Images are not only brighter and sharper but also have a better depth of field, which provide realistic 3D images and a wider field of view.

Focus and Size

Many Porro prism binoculars have also the focusing mechanism separated for each eye, which can be very useful in low-light situations when observing at dusk and at dawn. Even though Porro prism binoculars are becoming rare in today’s times, this traditional arrangement makes them more affordable due to less expensive manufacturing. But the wider design makes them heavier and difficult to hold in hands and they are less watertight and also less rugged, which provides a less secure grip.

The other disadvantage of Porro prism binocular is also the lack of adjustable eyepieces, which in most cases leads to problems when using the binoculars with glasses.

Features of Porro Prism Optics

(+) higher light transmission rate

(+) better depth of view perception

(+) wider field of view

(+) realistic 3D images

(+) lower price for high-end binocular

(-) heavy and clumsy

(-) less watertight binocular

(-) no eye-relief adjustment

Diopter Setting System

Because the majority of binoculars with 8x42 configurations are made of Schmidt Pechan or Abbe-Koenig prisms, the most common diopter setting can be found on one of the barrels. Whatsoever some exceptions feature the diopter adjustment ring on both barrels for focusing each eye separately and some that have the diopter setting integrated into the focusing system.

Some binoculars feature even a locking function for the diopter adjustment wheel, but the majority of binoculars on the market are non-locking. The locking function has nothing to do with the location of the diopter setting but is just a feature of some manufacturers.

Lens Coatings

Coating the lens is one of the most important processes in the manufacturing of 8x42 - binocular. There are 4 different types of how many times and on which surfaces the coatings are applied on the lens: Coated, Fully Coated, Multi-Coated, and Fully Multi-Coated.

˝Coated˝ binocular means that there is only a single layer of anti-reflection coating on some of the lens. Usually, only the objective lens and the eye-piece lens are coated, and usually only on the outside, which is visible for the user.
˝Fully Coated˝ binocular lens mean that all air to glass surfaces have one layer of coating.
˝Multi-Coated˝ binocular means that some lens have multiple layers of anti-reflection coatings
˝Fully Multi-Coated˝ binocular means that all air to glass surfaces are coated with anti-reflection coatings, with multiple layers.

Because lens coatings are very important for light transmission, low-light binoculars must feature ˝Fully Multi-Coated˝ lens. This ensures the highest light transmittance and the most bright images in late hours.

Many manufacturers apply additional coatings with special features. For example anti-fog coatings on the outer surfaces, for a clear picture in a high-moisture environment, or when moving from a warm to a cold place. Some more expensive and premium binoculars feature also scratch-resistant coatings on the outer lens. These make the outer surfaces harder and more resistant. Also, water-repellant coatings can be found, which have an effect as we know it from the lotus flower.

A short presentation of 8x42 - binocular is available here.

Slideshare presentation of 8 x 42 Binoculars

Short Presentation | 8 x 42 Binoculars | Optics Trade from Optics-Trade