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Aim your telescope effortlessly with this simple and effective red dot finder. It projects an adjustable red LED dot, precisely positioned with thumbwheels for horizontal and vertical alignment. The red dot brightness is adjustable and it requires a CR2032 battery (not included). This device includes a bracket fitting many telescope dovetail mounting bases for quick and easy setup.
| Eye Piece Lens Description | Barlow |
|---|---|
| Mount | Altazimuth Mount |
| Focus Type | Manual Focus |
| Power Source | Battery Powered |
| Finderscope | Reflex |
| Compatible Devices | Telescopes with dovetail mounting base |
| Number of Batteries | 1 CR2032 batteries required. |
| Focal Length Description | 150mm |
| Field Of View | 10 Degrees |
| Additional Features | Red Dot Projection for Easy Celestial Object Location |
| Item Weight | 1.58 Ounces |
| Brand | Astromania |
| Manufacturer | Astromania |
| Manufacturer Part Number | SKU_AM_TRSTB |
| Model Number | 51630 |
| ASIN | B01B2OR3M0 |
Dave U –
Good quality, fast shipment
The RDF arrived quickly. The packaging was very good. Works as expected.
Jim B. –
Great bang for the buck
Great bang for the buck; works perfectly.
Amazon Customer –
OK with a couple of issues.
Not bad, but definitely not great. The red dot sight that I received functioned OK. It didn’t come with a battery, but I think that was mentioned in the description. I used a CR2032 battery and it worked fine. 2 issues arose with my sight. First, it took all the possible adjustment in one axis to align the dot with my small telescope. It very nearly wouldn’t align at all, but I just barely made it work. Secondly, and more importantly, the tall plastic mount that goes between the telescope and the dot sight was terribly unstable and wobbly. The flimsy plastic piece would allow the dot to EASILY go pushed to another position and go off target. I was about to return the item but found a solution. I used a 3D printed to print a shorter and more sturdy mount. I searched on thingiverse for a low profile mounting bracket for astronomy red dot. It is shorter, but WAY more stabil.
May –
Imprescindible en cualquier telescopio
Funciona bien, es importante colocarlo bien en el telescopio para poder ajustarlo y calibrarlo.
Robert –
I did not like this
It is all plastic including the mount, but it doesn’t really seem to be flimsy. I like the little dials to adjust elevation and windage which will be a nice feature using this on my telescope and the variable intensity dot brightness is also very nice. The rails can be flipped upside down in order to switch between a picatinny or 11mm rails.What I did not like…The screws in the little windage and elevation dials come loose with use. The unit had very bad parallax. There was not enough adjustment in the windage or elevation to align it with my telescope even with using a lower height riser mounted to it. I do not like giving 1-star ratings and I have always received excellent products from Astromania… but this was not one of them.
Astrorev –
Standard red dot finder
These are preferable over the old fashioned finder scopes that are straight-through, and yield reverse and upside down images. The main problem I encountered with several of these red dot finders is that the horizontal and vertical adjustments are too limited. I can’t always get the red dot in the middle of the field of view to line up with the eyepiece before running out of space. Another disadvantage is that some of my red dot finders are too bright, even when adjusted all the way down (it makes the target stars difficult to see, especially in light polluted skies). And lastly, I too often forget to turn off the power, needlessly shortening the battery life. Several of my astronomy friends like their red dot finders a lot. For me, though, my favorite device is a laser pointer finder!
Amazon Customer –
great replacement
its either what ezfinder copied or vice versa its does seem to be brighter then the branded ez finder
Charles E McCarroll –
a good inexpensive red dot finder.
good for the price.