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APM - LZOS Telescope Apo Refractor 123/738 3.7"ZTA
APM - LZOS Telescope Apo Refractor 123/738 3.7"ZTA
APM - LZOS Telescope Apo Refractor 123/738 3.7"ZTA
APM - LZOS Telescope Apo Refractor 123/738 3.7"ZTA
APM - LZOS Telescope Apo Refractor 123/738 3.7"ZTA
APM - LZOS Telescope Apo Refractor 123/738 3.7"ZTA
APM - LZOS Telescope Apo Refractor 123/738 3.7"ZTA
APM - LZOS Telescope Apo Refractor 123/738 3.7"ZTA

APM - LZOS Telescope Apo Refractor 123/738 3.7"ZTA

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Estimated Arrival: Between May 21 and May 27. *ETA to USA Only

Shipping & Returns: Satisfaction guaranteed 30 day return policy.


5 “finest optics!

Until a few years ago, the classic 5-inch device was hardly affordable in "decent quality". APM makes it possible and presents a bestseller, the SuperED Triplet Apo 123 / 738mm.

Under the right conditions, weak fog structures (e.g. cirrus) can be seen visually. These optics already collect 50% more light than a 4-inch model. We decided on a short system with f / 6 in order to give the astrophotographer a powerful tool. Highly corrected f / 4.5 photo system can be implemented without any problems.

Since "fast" openings bring a plus in field of view, we have installed the large 3.7 "" ZTA focuser with 360 ° rotation and 1:10 micro-reduction. It guarantees freedom from vignetting even with larger sensors and can be effectively equipped with all possible accessories The massive construction allows the use of heavy additional equipment.

The tube is made of aluminum as standard, but can also be supplied with a composite tube and other focusers on request (see other variants). In this way, the device can be individually adapted to your wishes (of course also in terms of paintwork!)

The weight has not increased further to 7.8kg, a plus point for fully mobile use!

Well-known LZOS-Super-ED-3-Linser with test report

Well-known APM construction

• Optical tube
• LZOS test report
• 3.7 "APM rotary focuser (ZTA)
• APM Fast Lock reducing adapter 2 "/1.25"
• Set of APM CNC  clamps
• APM 3 "mounting rail
• Dust caps
• Handle
• Transport case


Some of our APM products are shipped directly from Germany. Before placing your order, please review the “APM Duties & Returns" tab  


Type of telescope

3-element SuperED Apo Refractor


3-element SuperED



Tube material




Focal ratio


Focal length






Limit value

12.1 mag

Max. Useful visual power


Back focus

180mm (form end of 2” adapter)


2.5” APM focuser with brass eyepiece clamp

Connection to eyepiece

63mm thread, 2” and 1 1/4” with adapter


Finder base, finder not included

Tube diameter


Length during observing


Transportation length


Dew cap diameter


Length of dew cap


Width of tube rings

2 tube rings each 24mm

Threads in tube rings

1/4 zoll 3x

Distance of threads

Centric and 60mm

Tube weight

16.8 lbs. including tube rings

Included accessories

LZOS test report, tube rings, dust caps

Eyepiece adapter

To 2” and 1.25”


APM Duties & Returns

Because of the special nature of APM orders, there are some differences in fees and returns. We take care of the shipping costs for you but an additional small import fee may apply to our customers. We appreciate your understanding as we do our very best to give our customers access to a wide variety of high-quality telescopes and binoculars, including special order brands like APM!

For additional information, please contact us at

APM Duties

Some APM products are shipped directly from Germany and are subject to import duties upon entry into the US that you will be notified to pay at the time of delivery.

For high-value orders, the freight company may contact you for your SSN/Tax ID and to request power of attorney to allow them to handle import paperwork on your behalf.

APM Returns & Refunds

Because some of APM’s products are shipped directly from Germany, we are not able to cancel your order once it has been placed or offer returns at this time.

In the case that your telescope arrives with a manufacturing defect, it will need to be shipped back to the manufacturer in Germany for them to repair it.

When your order arrives, please check for any visible damage to the packaging! In the case that your order arrives with any damages acquired during transit, please notify us immediately and we can file an insurance claim on your behalf. When signing for a damaged package at delivery, note on the signature form that it is damaged, otherwise we will not be able to process the insurance claim.


We know that once you've placed your order, you are anxious to receive it! We make every effort to get your order shipped out to you as quickly as possible.

As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase. We will process the charges to your credit card and your order will ship within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at

Standard shipping time in the US is between 3-5 business days, though it can vary slightly depending on the destination. We typically For updates on your shipment you can enter your tracking number here.

We distribute nationwide via UPS and Fedex. Unfortunately, at this time we are not able to provide expedited or international shipping.  

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