Levenhuk Karma Plus 8x32 Binoculars Review

Levenhuk Karma Plus 8x32 Binoculars Review

 
Levenhuk 8 x 32 Karma Plus Binoculars
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Price Range: (2/6) Low Cost Binoculars       

Ideal Uses:

General Use: Rating for General Use Binoculars
Birdwatching: Rating as Birdwatching Binoculars
Outdoor Sports: Rating asOutdoor Sports Binoculars
Safari & Travel: Rating as Safari Binoculars
Wildlife Observation: Rating as Wildlife Observation Binoculars
Hunting: Rating as Hunting Binoculars
Marine Use: Rating as Marine Binoculars
Astronomy: Rating as Binoculars for Astronomy

Levenhuk Karma Plus Binoculars
The low costing series of Karma Plus binoculars from Levenhuk sits just below their Karma Pro range and whilst at first they may seem to be quite similar, there are a number of differences (some of which are more important than others), which is reflected in these PLUS models having a lower price than the PRO models.

So to see exactly what these differences are and how they affect the usability and optical performance, I decided to try out the 8x32 Karma PLUS and compare my findings to the 8x32 Karma PRO that I have previously tested:

Levenhuk Karma PLUS 8x32 Binoculars

  • Low Cost Bins - approx $75 / £65
  • Single Hinge Mid-Sized Body Design
    • Dimensions: 13x12.7x4.8cm / 5.1x5x1.9in
  • Fully Sealed & Nitrogen Filled Chassis
  • Optics:
    • 32mm Objective Lenses, 8x Magnification
    • Multi-Coated
    • BaK-4 Roof Prisms
      • Aluminum
        Not Phase Corrected
  • Field of View: 357ft at 1000yds
  • Min Focus Distance: 13ft
  • Eye Relief: 17.8mm
  • IPD Range: 5.6cm - 7.4cm

Levenhuk Karma PLUS 8x32 Binocular Review

In this review I not only tested these Levenhuk Karma Plus 8x32 Binoculars as I would in any other review I do, but also paid particular attention in comparing and testing them directly against the equivalent and high specification Karma PRO model to see what, if any the differences make:

The Body

Color
Levenhuk have gone for a light grey color for the exterior of the Karma Pro series, which is not often seen. In my opinion this color not only looks great, but is still camouflaged and sets it apart from the hoards of black or green bins out there.

Shape
Like the Karma Pro, the Karma Plus has a fairly standard shape for a mid-sized roof prism binocular, but on close inspection the two models do use different chassis designs.

For example the Karma Pro has it's focus wheel slightly encased within the shell, whilst this Karma Plus's wheel is far more exposed. The benefits of each design depends on how you look at it: A more enclosed focus wheel is more protected, but at the same time is less accessible, which if you wear thick gloves in winter can be a minor issue.

There are also a number of other minor changes that are more stylistic than anything else, but I think that whilst they share almost identical overall dimensions, the important point to take away is that the two use a different chassis, which is something that I really was not expecting to see.

Levenhuk Karma PLUS 8x32 Binoculars

Underside of the Levenhuk Karma PLUS 8x32 BinocularsRubber Coating
The rubber coating on the Karma Plus is hard and very smooth. These particular qualities mean that there is far less grip offered by this surface than those that use softer more textured rubber coatings.

Note: This is another departure from the Karma Pro that has a more textured rubber coating.

Levenhuk have also not added any thumb indents on the underside of the body, a very minor detail that I often see on other bins.

Chassis Material
I had assumed that like most others in this price range the Levenhuk 8x32 Karma Plus binoculars would have a chassis made from a polycarbonate plastic. However I was informed by them that it is in fact made from "plastic steel". To be honest and after doing some research, I am still unsure of exactly what they mean, as to my knowledge, Plastic Steel is a brand of putty. So if anyone can help out here, that would be most appreciated. Perhaps they mean a mixture of plastic and metal parts?

Tripod Adaptable
Whilst on my sample it was extremely hard to unscrew the first time, the dust cap on the front face of the hinge can be removed and the exposed thread will accept a normal tripod adapter making is simple to attach these Levenhuk Karma Plus 8x32 binoculars to a tripod.

Eye-cups
Eyecups on the Levenhuk Karma PLUS 8x32 BinocularsWith the Karma Pro, I was happy to report that they had twist-up eyecups as many low cost bins revert to simple rubber eyecups that can be folded up/down to change the eye-relief. Whilst these are cheaper to produce, they are no match for a well made twisting eyecup.

Well the great news is that not only do Levenhuk also use twisting eyecups on the PLUS models, but they are also really good, especially when compared to the majority of others at this price level:

Whilst not made from metal as you get on higher end bins, the housing feels to be nice and robust and the twist-up action works well with only a very minimal amount of free play that is so minor as not to be a factor.

I also really like they positive way they click into each of the fixed stops and the fact that they have four of them (two intermediate) is impressive as it gives you ample options to ensure that your eyes sit at the perfect distance behind the ocular lenses eliminating the dark rings around the edges of the view that you often get on lower cost optics.

Add to this 17.8mm of eye-relief and it makes these bins an ideal choice should you wish or need to wear eye-glasses.

The shape of the rubber on the eye-cup is different to that which is used on the Karma Pro, as it is a little more rounded on the Karma Plus, something which I prefer as it feels a little more comfortable when you push them firmly against your face.

Inter-Pupillary Distance (IPD)
As with the Karma Pro, you can adjust the distance in between the eyecups on these 8x32 Levenhuk Karma Plus binoculars from a minimum of 5.6cm, right up to 7.4cm.

For a mid-sized bin this Inter-Pupillary Distance (IPD) range is good and whilst they may not suit those with really wide faces, the minimum setting should enable older children to adjust them to fit. This along with their low price point makes them perfectly suited as a child's first serious pair of binoculars.

Focus Wheel on the Levenhuk Karma PLUS 8x32 Binoculars

Focus Wheel & Focusing
Whilst it still takes two complete turns to go from close focus to infinity, the focus wheel on the Karma Pro is completely different to that used on the Karma Plus.

Measuring 32mm in diameter, it is larger and more in-line with what I usually see. Made from plastic, it's design is also very typical of that used within this price range with a simple rubberized track improving the grip level.

Most importantly was the fact that on my sample it turned very smoothly, but with some resistance to prevent accidental movement. I also detected no free play or looseness to the mechanism, something that is not only very annoying, but can make it hard to make precise focus adjustments.

Focus Wheel on the Levenhuk Karma PLUS 8x32 Binoculars

Diopter Adjustment on the Levenhuk Karma PLUS 8x32 BinocularsDiopter Adjustment
The diopter ring used on the Levenhuk Karma Plus 8x32 binoculars is also different to that used on the Pro series and is more typical for those found at this price level.

Used to calibrate the bins to match your particular vision, I would describe this one as being very basic (no printed scale and it cannot be locked) but it is functional.

Rating for Body Construction Quality: 6/10

Weight
Levenhuk do not provide an official weight along with the rest of the specifications for the Karma PLUS 8x32 binoculars, but I measured it at 18.9oz / 537g, which as you can see from the table of similar bins below is about the same as the Karma PRO and about average compared to most others within this size category:


Dimensions
The official dimensions are exactly the same as the Karma PRO, which as you can see is in keeping with most mid-sized 32mm binos.

BBR Rating for Body Stats compared to Mid Sized Bins: 7/10

Objective Lenses on the Levenhuk Karma PLUS 8x32 Binoculars

The Optics

When comparing the Karma PRO and these Levenhuk Karma PLUS binoculars, it is the differences in the optics, their coatings that are in my mind the most important. In this section I will highlight the similarities and the differences between the two and discuss the potential consequences and then in the next couple of sections see how and if these play out in the real world:

Deeply inset 32mm Objective lens on the Levenhuk Karma PLUS 8x32 BinocularsLenses

Objective Lenses
As is the case with most manufacturers, Levenhuk do not describe the exact makeup of their objective lenses, so I can't comment.

What I can say other than stating the obvious in that they have a diameter of 32mm, is that at 5mm, they are set quite shallow within the ends of the barrels. This design offers the lenses less protection than if they were deeper - from both physical damage, as well as rain, dust and indeed sunlight where deeply set lenses can be less prone to lens flaring.

Objective Lenses on the Levenhuk Karma PLUS 8x32 Binoculars

Eyepieces
The design of the eyepieces and their lenses on these two bins is very different:

These Karma Plus binoculars have a design that consists of 3 lens elements arranged into 3 groups, whilst the Karma Pro has higher specification eyepieces with 4 elements in the three groups.

This potentially means that these Plus's might not be able to direct the light quite as well and thus potentially have a lower resolution image and can also affect things like the field of view and close focus distance - see Optical Stats Section below for details.

It is also worth pointing out that the exterior ocular lens measures 17mm in diameter on the 8x32 Karma PLUS, which is quite a lot smaller than that on the Karma Pro (20mm) and indeed in my experience is on the smaller end of the scale for a mid sized bin.

Prisms
It is quite common at this price level to find bins with prisms made from cheaper BK-7 glass, which does have it's benefits, but for the use in binoculars is usually considered to be not the ideal option.

Thus it is great to see that the roof prisms on these Levenhuk Karma Plus binoculars are made from BaK-4 glass which is the same used on the higher spec'd Karma Pro.

Optical Coatings

Anti-Reflection
The amount of optical surfaces that are treated with a material that has anti-reflection properties is super important and in my experience can make a real and observable difference to the quality and brightness of the image produced.

Here it is important to take note of the exact wording when manufacturers describe what they have done.

Really cheap binoculars will sometimes be advertised as coated - this usually means that only the exterior lens surface on the objective and ocular lens has received a single layer of this material.

These Karma PLUS bins have been multi-coated, which implies to me that the exterior lens surfaces on the ocular and objective lenses have multiple layers of this material applied to them which is better.

However the best option and what you get on the Karma PRO bins are fully multi-coated optics - this implies that every exterior surface throughout the whole optical system has had multiple coatings which is far superior. For more take a look at this section on Anti-Reflection Lens Coatings on Binoculars.

Prism Coatings
Levenhuk do not mention what coatings are used on the prism surface to increase it's reflectance in their marketing.

My assumption due to their price was that it will most probably be aluminium, however after contacting them, I was informed that they actually use silver which is more expensive, but has a higher level of reflectivity.

Dielectric coated prisms are the best as they transmit almost all of the light resulting in a brighter, higher quality view, but they are far more expensive and so are only found on higher end products.. However as you can see on the table below the fact that these use silver coated prisms in this class is excellent.

Also worth pointing out is that the prisms on these (nor the Pro's) have not been phase corrected. This is another coating added to higher specification optics that can improve image resolution. However as you can see from the table below this is usually only found on more expensive products:

  Approx Cost: Prism Glass ED Glass Anti-Reflection Coatings Prism Coatings Phase Corrected
Levenhuk Atom 10x25 $20 / £16 BK-7 No Fully Coated ? Aluminium No
Tom Lock Series 1 10x42 £50 BAK-4 No Multi-Coated ? Aluminium No
Meade Wilderness 10x32 $60 / £60 BAK-4 No Multi-Coated ? Aluminium ? No
Levenhuk Energy PLUS 8x25 $70 / £80 BAK-4 No Fully Multi-Coated ? Aluminium ? No
Levenhuk Karma Plus 8x32 $75 / £65 BAK-4 No Multi-Coated Silver No
Levenhuk Karma PRO 8x32 $95 / £80 BAK-4 No Fully Multi-Coated Silver No
Hawke 8x42 Nature-Trek $120 / £110 BAK-4 No Fully Multi-Coated Silver Yes
Opticron Savanna R 8x33 $139 / £99 BAK-4 No Fully Multi-Coated Aluminium No
Hawke Endurance ED 8x32 $210 / £150 BAK-4 Yes Fully Multi-Coated ? Silver Yes
Celestron Trailseeker 10x32 $230 / £180 BAK-4 No Fully Multi-Coated Dielectric Yes
Pentax AD 9x32 $250 / £399 BAK-4 No Fully Multi-Coated ? Silver Yes
Celestron Granite 9x33 $400 / £300 BAK-4 Yes Fully Multi-Coated Dielectric Yes

Optical Components Quality Rating: 5/10

Optical Stats

It is in their optical stats where we really see the difference between the Karma Plus and the Karma Pro and these will largely be down to the differences in the make-up of their eyepieces:

Field Of View (FOV)
At only 357ft wide at a distance of 1000 yards the field of view you get when looking through this binocular is a little on the narrow side for an 8x binocular.

This fact is highlighted on the table below where they rank near the bottom when compared to other similar sized 8x bins that I have tested. Also worth pointing out that there are even some 9x and 10x mid sized bins that have a wider view:

  FOV at 1000yds Close Focus Eye-Relief
8x magnification
Minox BL 8x33 HD 421ft 8.2ft 17.5mm
Kowa 8x32 SV 408ft 6.5ft 15.5mm
Opticron Discovery 8x32 393ft 3.9ft 17mm
Levenhuk Karma Pro 8x32 387ft 6.6ft 17.5mm
Swarovski 8x30 CL 372ft 9.8ft 15mm
Opticron Savanna R 8x33 366ft 11.5ft 20mm
Levenhuk Karma Plus 8x32 357ft 13ft 17.8mm
Pentax 8x36 DCF NV 342ft 9.8ft 16mm
9x magnification
Celestron Granite 9x33 378ft 8.2ft 14.1mm
Pentax 9x32 DCF BC 351ft 8.2ft 16mm
10x magnification
Swarovski EL 10x32 Swarovision 360ft 6.2ft 20mm
Kowa 10x33 Genesis XD 357ft 4.9ft 15mm
Celestron Trailseeker 10x32 325ft 8.2ft 14.4mm
Snypex Knight ED 10x32 288ft 3.9ft 17.5mm
Opticron 10x32 Traveller BGA Mg 270ft 4.9ft 16mm

Close Focus
A minimum focusing distance of 13ft is also not great for a mid-sized 8x binocular and so I would not suggest you get these if you find yourself often observing objects like birds, butterflies or flowers from closer ranges.

Eye-Relief:
The 17.8mm of eye-relief is very good and as I have already discussed, this combined with the twist-up eyecups that work really well should mean that most eye-glass wearers should be able to use them and still see the full view.

Optical Stats Rating: 6/10

Image Quality

For this review, I compared the view through these Levenhuk Karma Plus 8x32 binoculars against my mid-sized benchmark bins (8x32) and the Karma Pro 8x32 binoculars, which I found particularly interesting:

Image Brightness
During the day and in well lit sunny conditions, I did feel that both my much higher quality benchmark 8x32 bins and the Karma Pro's looked to be very slightly brighter, but the difference was very small. Indeed I did feel that it may have just been in the difference of the colors and sharpness of the image (see below) and not the image brightness.

In poor light, just after the sun had set, I was then definitely able to notice that these were delivering a view that was less bright than the other two.

Contrast & Color Reproduction
Whilst it is not really noticeable when you look through the Karma Plus on it's own, when I compared the view against the Karma Plus and my benchmark, I could see that the image through these bins has a very slight brownish tinge to it and was ever so slightly less vivid than the other two.

Image contrast was ok, but once again, to my eyes was marginally less pronounced than the others.

What I would like to stress here is that these differences are really small and without a direct comparison, you most probably would never notice it at all.

Color Fringing
Color FringingLevels of color fringing that are the result of chromatic aberrations were equal to that on the Karma Pro and well within acceptable amounts, so no issues here.

Image Flatness & Softening
The level of softening around the edges of the view is very minimal and on a par with far higher specification binoculars. This is excellent.

The image also looked nice and flat and I never noticed any obvious distortions that can sometimes make the image look like it is curving inwards or outwards.

Image Quality Rating: 6/10

Accessories for the Levenhuk Karma PLUS 8x32 Binoculars

Included Accessories:

Carry Case for the Levenhuk Karma PLUS 8x32 BinocularsCarry Bag
Whilst different to the one that you get with the Karma Pro, the difference is very minor. In fact the only point worth mentioning in this regard is that the shoulder strap on this bag lacks the sliding shoulder pad that you get on the Pro bag.

The bag itself looks to be well made with good stitching and the fine weave of the material will provide a good amount of shelter from light rain and dust etc.

The padding is quite lightweight however and so there is less cushioning than you find on some cases.

The bins fit nicely within the bag and you can easily close the flip-over lid, even with the eye-cups extended and the covers on.

The lid is held close with Velcro, which makes for quick access, but is a less dependable closure than say a Zip. You may also need to be careful to not make too much noise when ripping open the Velcro is some instances, like when close to wildlife/birds.

The case has a separate pocket internally and a belt loop on the rear, although you cannot remove the carry strap which if you like to carry the bag on your hip can get annoying.

Carry Case for the Levenhuk Karma PLUS 8x32 Binoculars

Neck Strap

Neck strap on the Levenhuk Karma PLUS 8x32 BinocularsSame as that which you get with the Karma Pro, the included neckstrap is very basic, which to be honest is usual at this price point:

This simple and un-padded strap looks to be made from woven nylon and is not shaped or curved to fit around you neck and shoulders as better one are.

You attach the strap to the bins in the normal way by threading the thinner sections through the eyelets on the side of the instrument.

Lens Covers on the Levenhuk Karma PLUS 8x32 Binoculars

Lens Covers
Rain Guard on the Levenhuk Karma PLUS 8x32 BinocularsThe objective and eye-piece covers are exactly the same as on their more expensive option and both made from a soft rubber/plastic type of material.

They both have a good fit and don't come away too easily.

The rain-guard can be threaded through the neck strap and the objective covers are attached to the bin with rubber loops in the normal way to keep them close at hand and easy to replace as soon as you are done looking through the bins.

Cleaning Cloth
The Levenhuk Karma PLUS 8x32 binoculars come with a simple cleaning cloth which pretty standard and fine for very light usage on the lenses. However will always recommend that you get a reasonable lens cleaning kit to ensure that you don't mark the lenses.

Extras & Attention to Detail Rating: 6/10

Levenhuk Plus 8x32 Comparisons:



Review Conclusions:

On the whole and when taking into consideration their low price point, these Levenhuk Karma PLUS 8x32 binoculars are decent Mid-sized bins.

For occasional or casual use or as a first time bin for an older child then these will be more than adequate and I think a good buy. However they do fall a little short in some areas that may be important for some more specialized uses. If these areas that I have pointed out below are critical to you and your needs, then in my opinion if you can afford the small amount of extra cash, it is well worth trading up to get the Karma Pro.

Strong Points:
I like the feel and look of the exterior, which on the whole looks well made and at least as good as any others that I have seen at this price level.

The instrument is well balanced and the shell is sealed, making them waterproof. This along with fogproofing is not something to be taken for granted at lower price levels.

The inclusion of a silver mirror coating on the prism is at this price not that common and so is most certainly a good point.

Weak points:
It is a pity that these are only Multi-Coated. Sure many at this price range will have the same level of anti-reflection coatings, but there are a few that are fully multi-coated and thus do produce very slightly better quality/brighter views.

Their field of view is on the narrow side, for some uses like some types of birding, this may be an issue.

Likewise their minimum focus distance is on the long side and as such not ideal if are looking to observe objects at close range - butterflies, flowers etc.

Levenhuk Karma PLUS 8x32 Binoculars and accessories plus packaging

Reviewed by

Best Binocular Reviews Ratings:

Body Construction Quality: 6/10 60%
Very Good
Body Stats: 7/10
Optical Components Quality: 5/10
Optical Stats: 6/10
Image Quality 6/10
Extras & Attention to Detail: 6/10

Main Specifications & Features:

  • Size: Mid Size Binoculars
  • [explain prism types]Prism Type: Roof Prism Binoculars
  • Magnification: 8x
  • [explain objective lens]Objective Lens Diameter: 32mm
  • [explain waterproofing]Waterproof: Yes
  • [about fogproofing]Fogproof: Yes

  • [explain exit pupil]Exit Pupil: 4
  • [explain twilight factor]Twilight Factor: 16
  • [explain eye relief]Eye Relief: 17.8mm
  • [explain IPD]IPD Max: 7.4cm
  • IPD Min: 5.6cm
  • Close Focus Distance: 13.0ft

  • Weight: 18.7ozs (530g)
  • Length: 5.1in (13cm)
  • Height: 1.9in (4.8cm)
  • Width: 5.0in (12.7cm)
  • Eyecup Diameter: 40mm
  • Ocular Lens Diameter: 17mm
  • Focus Wheel Diameter: 32mm
  • Focus from Near to Far, focus wheel rotates: 720°

  • [explain real field of view]Real field of view: 6.8°
  • [explain apparent field of view]Apparent field of view: 54.4°
  • [explain field of view]Field of View: 119m at 1,000 meters
  • [explain field of view]Field of View: 357ft at 1,000 yards

  • Chassis Material: Polycarbonate
  • Image Stabilization: No
  • [about Lens Coatings]Lens Coatings: Multi-Coated
  • [about Phase Correction]Phase Correction Coatings: No
  • [about Prism Coatings]High Reflective Prism Coatings: Silver
  • [about ED Glass]Extra Low Dispersion Glass: No
  • Locking Diopter: No
  • [about tripod adapters]Tripod Adaptable: Yes
  • Auto Focus: No
 

More Information:



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Mid Size Binoculars | Roof Prism Binoculars | General Use Binoculars | Safari Binoculars | Birdwatching Binoculars | Low Cost Binoculars


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Binocular Price Comparison
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Comments & Opinions

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