Roughness Parameters - rms roughness
Excellent product & service! I have binoculars, spotting scope, and .22 rimfire scope. Next purchase 30mm hunting scope for a new build.
The ordering experience was great ! I used the online chat feature and had a reply within minutes. So far so good. I'm looking forward to receiving my new driver asap. Just hope I didnt buy too early before the Black Friday sales. I like to save a buck !! Thank you..
David - Glad we could be of help during your research phase and thank you for taking the time to let others know about the level of service we at TRACT strive to deliver. We look forward to hearing back from you once you've had the opportunity to field test the product. Take care, jon
I used the scopes initially at a long range shooting course. Clarity to the edge, crisp image and I think as good as, or better than, my higher priced "Brand S" European and "Brand L" American scopes. Since returning home I ordered a .22 rimfire scope and found it to have excellent image quality as well. Just placed an order for three more scopes and am looking forward
Mark - Glad we could be of help and appreciate hearing the feedback on your rifle set-up! We look forward to serving you for many years to come, jon
Objective lensmagnification
Charlie - Thank you for the insight and your willingness to let others know about the level of performance TRACT offers. We look forward to serving you for many years to come, jon
Philip - Thank you for taking the time to let everyone know about the performance of your TORIC scope. Your insight goes a long way in helping others make the right choice. Take care, jon
What is an objective lensin microscope
Bought my first high quality scope from Tract. All of my questions were answered by one of the owners. I got a perfect match for my rifle and application. Couldn’t be happier.
James - Thank you for taking the time to let others know about your overall TRACT experience and glad we we're able to get you taken care of quickly. We look forward to serving you for many years to come!
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Low powerobjective lens
TRACT Optics is doing things differently. Period. As an optics company that has been producing high-performance Binoculars, Rifle Scopes, and Spotting Scopes for the past 10 years, we have created a business model that makes your experience our top priority. Our direct-to-consumer model cuts out the middleman providing you a higher quality product value! The founders of TRACT Optics, Jon Allen and Jon LaCorte set out to build the finest line of hunting and shooting optics without making any sacrifices or letting any barriers get in their way.
Received my order yesterday and my local FFL installed one of the scopes today with the accessories on a new firearm. Really happy with the flip up lense protectors and the action of the variable power lever.Beautiful finish on the rings to match the scope. Looking forward to giving the combination a workout at the range.I really cannot think of another company in all my years on the planet that has gone above and beyond in the customer service department in recommending and selecting products for my applications. Their knowledge and experience kept me from spending money unnecessarily. As far as I am concerned, for my money and applications, this company has everything I will ever need for variable power optics and the associated mounts, etc.Perhaps some day they might expand their product line to include a red dot/ holographic sight, etc.
Bear in mind that the use of FPL-53 is not chosen over FPL-51 in order to improve an objective’s chromatic aberration, but rather to reduce the focal ratio. This is an important factor in astrophotography when it comes to short exposure times and larger fields of view. Thus, an FPL-51 doublet refractor could have a focal ratio of 1:6.8, while a telescope with the same aperture using an FPL-53 doublet would have a focal ratio of 1:6 or 1:6.25. Experience shows that both have similar low chromatic aberration.
Robert - Truly appreciate the ongoing support and your willingness to let others know about the performance of our optics vs the other high-end options on the market. Thanks again, jon
Objective lenstelescope
The refractive index refers to the ratio of the speed of light in a vacuum and the speed of light in a particular material at a given wavelength. The Abbe value of a material indicates the variation in the refractive index with changes in wavelength, known as dispersion.
Charles - Glad we could be of help during your research phase and we truly appreciate hearing the feedback on the performance our TORIC scopes vs the competition. Look forward to serving you for many years to come, jon
Incredible customer service and support! I really did not know exactly what I needed/wanted, but they made it easy and made buying experience easy! 100%!
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The higher the refractive index, the more light is refracted, so the lens can be less curved. This reduces spherical aberration, but highly refractive glass types are usually more expensive. Glass combinations with a high Abbe value have lower colour dispersion and thus reduced chromatic aberration.
Fraunhofer-style achromats with carefully selected BK7-F2 glass combinations are more than adequate as entry-level telescopes. However, as your experience increases over time, you are likely to turn to higher-quality apochromats.
What is an objective lensused for
Terrell - Glad we could be of help during your research phase and look forward to serving you for many years to come, jon
Kerry - Glad we could be of help and appreciate your willingness to let others know about your overall TRACT experience. Thank you for your business, jon
Had an issue with some faulty scope rings that came with the Toric 3-15x42 I purchased. I brought the issue to their attention and they replaced the rings with no hesitation and apologized for the inconvenience. The folks at Tract Optics not only have GREAT optics, but have awesome customer service. Mahalo from Hawaii 🤙🏽
When most people think of an astronomical telescope, they imagine the classic lens telescope with a lens at the front, and an eyepiece to look through at the back. Although they have largely been replaced by mirror telescopes for professional use, lens telescopes still have many fans among amateur astronomers.
Scott - It was pleasure speaking with you today and hope your son will be ok. We look forward to serving you for many years to come, jon
Will - Glad we were able to help and appreciate you sharing your overall TRACT experience. We look forward to serving you for many years to come, jon
I electronically "chatted" with one of the owners on a Saturday afternoon. How's that for service? The website is clear and easy to navigate. Useful information is abundant throughout. It was a terrific purchase experience and definitely a big step up from most of their competitors. I'm looking forward to receiving the scope I ordered. I have high expectations for it.
Types ofobjectivelenses
Michael - Truly appreciate the detailed review and your willingness to let others know about your overall TRACT experience. Your insight goes a long way in helping others make the right choice in optics. Take care, jon
Eyepiecelens
Ocularlens
I was ready to spend $3500 on a top brand pair of binos then I tried a pair of Tracts. I honestly can’t believe the image clarity in comparison to the expensive brands. I got the desired quality and saved a couple thousand dollars.
Triplet lens systems using both FPL-51 and FPL-53 tend to further reduce chromatic aberration, thus enabling even sharper images. Differences within this quality class can only be detected by measurements on an optical test bench.
Fred - It was a pleasure speaking with you today and glad we could be of help in choosing the right optic for your PRS events. Take care, jon
Apochromats go one step further. A clever selection of glass types ensures that light of up to three wavelengths meet at a common focal point - even in compact telescopes.
Service unmatched! Jon answered all of my questions in no time! Quick ship! And amazed by toric 30mm 4-20x50 MRAD! Vortex Razor is NO match!!! Glass clarity, precision zero stop, the reticle is so simple and low light conditions are way better than my old Razor 3-18x50. Thanks Trac
The objective lens of a Fraunhofer achromat consists of a convex front lens made of crown glass and a concave rear lens made of flint glass. This combination of different types of glass reduces chromatic aberration and increases contrast and colour fidelity.
The result is a complete line of superior optics with specifications and features found in products costing hundreds of dollars more. Plus, the TRACT Trust Assurance guarantees the functionality of the product for the duration of its lifetime whether you are the original owner or not. We believe the customer’s experience is our responsibility. “I am sure there are people who think we are crazy for trying to start our own high-end optics company in the already saturated optics market,” said Co-Founder Jon LaCorte, “But this is a different kind of Company with a different way of doing business and in many ways, we think it’s the future of product purchases.”
Lenses have one big disadvantage compared to mirrors: they suffer from colour defects known as chromatic aberration. Light is refracted differently depending on its wavelength, blue light refracts more than red light. The result: unattractive colour fringes around the object you are observing and reduced contrast.
Today, there are more than 200 known optical glass combinations. The majority are derived from the two most important families of glass: crown glass and flint glass. There are many optical and material-specific parameters relevant in industrial production. Many manufacturers offer glass with the same properties under different brand names. Nowadays, most of them design their products and processes in an environmentally friendly way and do not, for example, use mixtures of lead and arsenic.
Unbelievable customer service called JON ALLEN with a problem that it really did not pretend to their scopes and he got me squared off in a hurry thanks again guys great job
Jon at Tract was very helpful and easy to work with. You can tell he is very invested in making sure the customer gets what they need and that they are well taken care of. Very straightforward and a pleasure to deal with. I am very satisfied with my dealings with Tracy Optics.
The most important component of a lens telescope is the objective lens. To be more precise, the objective lenses, because every modern objective consists of at least 2 lens elements. But why is that?
Mark - Thank you for the ongoing support and your willingness to let others know our products and the level of service we strive to deliver. Take care, jon
Stephen - Glad we could be of help during the weekend and we appreciate hearing the feedback on our website. We look forward to serving you for many years to come, jon
By using a third lens and expensive special glass, these top-quality telescopes do not only deliver a true-colour image, but are also free from coma and spherical aberration. The designers use different types of glass in order to create such high quality lenses. The determining factors here are the refractive index and the Abbe value.
I am a senior competitor 79 and I had a number of questions regarding my rifle optic order. Tract could not have been more friendly in guiding me in the right direction in every way. I look forward to receiving my Toric for rimfire PRS. Great job Tract!
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Marine in a retired status here. I mounted this beast on a Bergara HMR Pro (6.5 cm). Another retired Marine and I took over 3 hours and a 1/2 case to perfect it's position relative to my eye relief. This optic exceeds my current ability! I'm at 1,450 yards and have plenty of room for improvement. I took the optic off the list of things to be concerned with. What a precision instrument.
Great business model! It was amazing to receive immediate responsiveness to my questions from the ownership prior to purchasing. The purchase experience was fast and easy. I expect that it will be tremendous "value for money." Now I can't wait to do a review of the delivery and product soon!
TRACT’s comprehensive, educational website will serve as a resource for the optics community through blogs, videos and social media platforms like Facebook and Instagram. Visit Tract Optics or give us a call at 631-662-7354 to learn more!