Armasight by FLIR Apollo 640-30 Thermal Clip-on Sight

Model no: TAT163CN4APOL01



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Armasight by FLIR Apollo 640-60 Thermal Clip-on Sight

Not exportable outside of the USA. See Export Policy

Armasight by FLIR Apollo 640-30 Thermal Clip-on Sight

The FLIR Apollo introduces thermal imaging to any standard daytime optic—no rezeroing needed. Fastened in front of a magnified sight via Picatinny quick-release mount, the Apollo brings state-of-the-art thermal technology to an existing set-up in seconds. Detect targets in complete darkness or through atmospheric obscurants without the need to remove daytime optics.

  • Clip-on thermal sight relies on the day scope reticle, eliminating the need to rezero.
  • Front-mounted thermal sight allows consistent shooting position and eye relief with an existing day scope.
  • FLIR Tau 2 thermal core, advanced image processing, and HD AMOLED SVGA display create a bright, sharp picture.

  • Armasight Apollo 640-30 (Tau 2 -640x512 Core (25μm) 30Hz)
  • Simple and Quick conversion of daytime scope to Thermal Imaging
  • Mounts in front of any daytime scope, no re-zeroing required
  • High-resolution thermal imaging
  • Compact, lightweight, durable housing
  • True magnification
  • High-end OLED display
  • Video output
  • Quick Release Mount
  • Rapid start-up

Armasight by FLIR Apollo 640-30 Thermal Clip-on Sight description

Armasight by FLIR Apollo 640-30 Thermal Clip-on Sight

The FLIR Apollo introduces thermal imaging to any standard daytime optic—no rezeroing needed. Fastened in front of a magnified sight via Picatinny quick-release mount, the Apollo brings state-of-the-art thermal technology to an existing set-up in seconds. Detect targets in complete darkness or through atmospheric obscurants without the need to remove daytime optics.

The time is now. Armasight has introduced an amazing new design in their Thermal Imaging Clip on devices, making it easy to take high quality thermal imaging technology with you when you are on the move. While these new Armasight Apollo thermal imaging scopes offer the same technological prowess of fully mounted scopes, they are so much simpler, easily mounting in front of your current day time scope. No longer do you have to release your daytime mount and spend valuable time switching it out for a night vision scope of some kind - now you can simply clip on the Armasight thermal imaging scope in front of your existing daytime scope for quick and ready night vision imaging.


If you are not yet sure if thermal imaging technology is for you, ask yourself one question, is it worthwhile to know you will be able to see your target, even in inclement weather conditions? If so, then the answer is easy. You must invest in thermal imaging technology, because in bad weather conditions other night vision technology definitely has the potential to let you down. Thermal imaging promises you an incredible and clear night time view of the field, but not just when the sky is clear. Even in rain and fog and other bad weather conditions, targets still give off heat, which means thermal imaging still works.


Another advantage of thermal imaging over other night vision technology is camouflage. A well selected camouflage outfit can hide a lot from even the well trained eye, but it can’t hide from thermal imaging technology. This is yet another way that a simple thermal imaging clip on scope upgrades your entire tactical arsenal; it is simple and very effective.


The model that you are currently looking at is the Armasight Apollo 640-30 thermal scope which offers a refresh rate of 30 hz and a pixel array format of 640 x 512.


The Armasight thermal clip on ships with the thermal imaging clip on system, an objective lens cap, an output lens cap, a mount, 2 CR 123A lithium batteries, an Advanced Wireless Remote Control, a Picatinny Adaptor for Wireless Remote Control, four different Light Suppressors included one for Day Scope, an operation and maintenance manual, a soft carrying case, a and hard shipping case.

As with all our Night Vision and Thermal Imaging devices, Night Vision Guys offers competitive pricing on the best devices. The high quality of these devices guarantees that they will meet your expectations and serve you well. Buying these units from guarantees quick handling as well as excellent service and price.

Thermal Imaging

Please note that most thermal devices are built per order.  It may take 3-5 days or more for your order to ship.  If timely shipping is important to you, please, contact us to verify availability prior to ordering. 

Thermal devices can produce various types of images.  Some are color others are monochrome.  In either case change in shade or color indicates temperature differences.

color thermal image thermal bw image

Here is how thermal imaging devices work...

A special lens focuses the infrared light emitted by all of the objects in view.

The focused light is scanned by a phased array of infrared-detector elements. The detector elements create a very detailed temperature pattern called a thermogram. It only takes about one-thirtieth of a second for the detector array to obtain the temperature information to make the thermogram. This information is obtained from several thousand points in the field of view of the detector array.

The thermogram created by the detector elements is translated into electric impulses.

The impulses are sent to a signal-processing unit, a circuit board with a dedicated chip that translates the information from the elements into data for the display.

The signal-processing unit sends the information to the display, where it appears as various colors depending on the intensity of the infrared emission. The combination of all the impulses from all of the elements creates the image.

There are a few key Manufacturers when it comes to thermal imaging.  

ATN: produce such well knows devies as ThOR-HD thermal scope, BINOX-THD thermal binoculars, and OTS-HD thermal monocular.  

FLIR/Armasight: the largest maker of consumer level thermal products is well knows for their full product line.  Zeus thermal scopes, Q14 and Scout monoculars, Helios and Scout binoculars and many more.

Pulsar: a very popular brand for digital night vision and thermal imaging.  Key products include Pulsar Trail and Apex thermal scopes and Pulsar Helion and Quantum thermal monoculars.

Seek: mobile device mounted thermal cameras are the main products of this brand.

Delivery Time and Manufacturing Process for Armasight by FLIR Apollo 640-30 Thermal Clip-on Sight:

Most of our manufacturers do not keep products like Armasight by FLIR Apollo 640-30 Thermal Clip-on Sight assembled on the shelf. Night Vision tubes are kept separate from the body of the unit. When the order is placed, the manufacturer starts the order processing and assembly process which includes the following:

  • Order processing - we collect all the necessary information including address and phone numbers. We also make sure that our customer ordered the correct product for their needs and that the product can be exported by US law to the country of destination. In some cases a signed export compliance form is required.
  • QC - in this step the manufacturer will inspect all individual parts which will be used to assemble the night vision device for any defects.
  • Production & Assembly - during production, all the parts are put together. Night Vision tubes in inserted into the body of the unit and all the complex electronics for the device are connected. This process takes place in a special lab called the "clean room" as even a small speckle of dust can cause undesired optical effect.
  • QA - one the night vision device is assembled, it goes through a rigorous testing process to make sure it meets all the expected specifications and all parts function as expected. For this most manufacturers have a special "dark room" designed to allow testing of the units without causing incidental damage to the night vision tube by exposure to bright light.
  • Packaging - this is a key process as well. In most case your night vision device will be shipped to you directly from the manufacturer but sometimes needs to be sent to us first. In either case items need to be packaged securely to avoid any kind of damage during transportation.
  • Shipping - as described above items will most of the time ship from the manufacturer. For most domestic orders (unless shipping to POB or AFB) a premium shipper like FedEx or UPS will be used.

Only by following the above steps can we along with our manufacturers bring you - our customer - night vision products of highest quality, However as you can understand the above process can take several days to complete. For example if your device fails QA, the entire process restarts. Also at QC stage a manufacturer may realize that the tube they have in stock has a defect and a replacement tube needs to be ordered. Due to the complexity of this process, it is prudent to expect 3-4 business days for production and handling of the purchased device. Keep in mind that this process is designed to guarantee your satisfaction with the night vision device of your choice.  It occasionally possible to expedite the process for urgent orders but addional fees or other restrictions may apply.

Technical Specifications

Refresh Rate




Objective Lens Type


Type of Focal Plane Array

FLIR Tau 2

Pixel Array Format


Pixel Size

25 μm


mrad 0.6

Display Type


Pixel Display Format


Display Brightness

Discretely Adjustable to 8 Levels

Turn-on Time

max 3 sec

Temperature Imaging Modes

White Hot, Black Hot, Fusion, Rainbow, Globow, Ironbow 1,

Ironbow 2, Sepia, Color 1, Color 2, Ice-Fire, Rain, and OEM Custom

Reticle Type

No Reticle

Analog Input/Output Format


Output Resolution (PAL / NTSC)

768×574 pixels / 640×480 pixels

Weapon Mount Type

Picatinny MIL STD 1913 and Weaver Rails

Overall Dimensions

217×70×80 mm (8.5”×2.8”×3.2“)

Height of the Apollo Axis above Rail

40 mm (1.57 in)

Weight (w/o Batteries)

0.7 kg (1.5 lbs)

Field of View (horizontal x vertical)

11° x 9°

Objective Focal Length

42 mm

Objective F-number


Eyepiece Focal Length

25 mm

Entrance Pupil Diameter

42 mm

Exit Pupil Diameter


Eye Relief

45-55 mm

Focus Method


Focusing Range

5 m to infinity



Two CR 123A (2×3V)

Current Consumption

maximum 350 mA

Battery Life at 20 °C (68 °F)


External Power Supply

6 VDC/ 1 A

Operating Temperature

-40 to +50 °C (-40 to +122 °F)

Storage Temperature

-50 to +70 °C (-58 to +158 °F)

Recoil Resistance



10 m for 30 min

Questions on Armasight by FLIR Apollo 640-30 Thermal Clip-on Sight

From on

Q: I'm new to clip-on optics. When using this thermal with a day scope, is the day optics reticle still used? Do you have any images of this thermal with a day scope. I primarily use a german #4 reticle and I'm curious to see what the combo would look like. Thanks Craig

A: Hi Craig. That is the benefit of using a thermal clip-on. You continue to use the reticle of your day time scope. It gets superimposed over the thermal image of the clipon. Please let us know if you have any further questions.

From on

Q: What does 700g equal to in rifle calibers?

A: Hi Michael, take a look at this recoil table. 700 recoil factor is closest to the recoil of a 338 Lapua. Please let us know if you have any further questions about thermal clipons or other night vision equipment.

From on

Q: Good afternoon, What are the maximum, and effective ranges for these types of optics? John

A: Hi John. Please provide us with a bit more information regarding the day time optic you are planning to use with this thermal clip-on. Since they will work as a package, we need to know that information to give you estimated you requested.

From on

Q: I have a Vortex viper pst 6x24 scope, is there limitations to the magnification that this thermal can achieve? Do I need a lower magnification day scope to use properly?

A: Hi Anthony. 6x is the upper limit for this thermal clip-on. Typically people use 1-6x scopes for the best compatibility with 2-4x being ideal.

From on

Q: Does the apollo 640 pro MR thermal clip on enable you to use a higher magnification scope or Is the same 1-6 max power apply? Also does the apollo 640 pro MR offer further identification range over the apollo 640 (non pro model)

A: Hi Mike. Both thermal clipons will have about the same requirements for magnification. Your scope will work perfectly well. Depending how you attach the unit, you may need an adapter to mount the clipon directly onto the scope. The PRO model will give better performance than the regular, but the primary difference is in the build quality. Pro units are mil-spec.

From on

Q: Trying to get an idea of the real world identification range for positive target engagement with the apollo 640 30hz thermal clip on.(non pro model) at night. Scope will be a Burris XTRii 2-10x42. Also wonder over time how well does the unit maintain its factory boresight?

A: Hi Mike. Please respond to us with the type/size of target as that will impact the useful range. Since these thermal clipons do not provide a reticle there is no boresighting to worry about. That is dictated by your day scope.

From on

Q: Coyote size targets to clarify the question about useable identification range at night with 640 thermal clipon(non pro model) Burris xtrii 2-10 will be the scope.

A: Hi Mike. With coyote I think you can count on at least 200-250 yards probably more especially in an open area. If you need to respond to us simply reply to the email, no need to create a new question each time via the website.

From on

Q: Looking for a rail long enough to mount my scope and clip on thermal to a Remington long action. My 516' rail is long enought using a leupold vx 6 1x6 but want to use it on my bolt gun as well but I will keep the 2.5 -10 x 50 on the 700 but need long rail for that, any ideas ?

A: Hi Glenn. Take a look at this rail: LT113L-20 made by Larue. This should run you a around $100 but is very well made.

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