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Carson Red Planet 50-100x90mm Refractor Telescope For Astronomy (RP-400)

  • Based on 89 reviews
Condition: New
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Availability: Only 2 left in stock, order soon!
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Arrives Sunday, Apr 7
Order within 23 hours and 38 minutes
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Set: Telescope


Style: RP-400


Features

  • Magnification: 50x-100x | Aperture: 90mm | Focal Length: 1000mm
  • Finder Scope: 6x30mm | Weight: 21.8 lbs. | Dimensions: 38.5 inch x 4.5 inch x 4.5 inch
  • Perfect for intermediate astronomers | Equatorial Style Mount
  • Included Accessories: K20mm and K9mm eyepieces, 90 degree corner lens and an adjustable aluminum tripod
  • Backed by Carson's One Year Limited Warranty

Description

The Red Planet Series RP-400 is a Refractor telescope. It features superior, fully coated optics and a high quality, heavy-duty aluminum tripod with an equatorial mount to counteract shaking and movements. It features setting circles which allow you to dial in coordinates similar to “latitude and longitude” to find specific stars, planets and constellations. Use the Red Planet telescopes to view the Rings of Saturn, the Moons of Jupiter and much more. It features a 6x30mm finder scope and two high quality eyepieces for the best viewing results. The RP-400 comes with a K20mm and K9mm eyepiece. This powerful telescope is perfect for astronomical viewing. The Red Planet line features a sophisticated and sleek design so attractive you will be proud to keep it out all year round and it will blend nicely with any décor.Warranty: At Carson, we strive to make sure our customers are 100% satisfied with the quality of our products. We are so confident in our products that we back them with a One Year Limited Warranty! This Carson product is warranted to be free from defects in material and workmanship for a period of one year from date of purchase. Please contact Carson for additional warranty details.


Brand: Carson


Model Name: Red Planet Series


Objective Lens Diameter: 90 Millimeters


Telescope Mount Description: Equatorial Mount


Focus Type: Manual Focus


Finderscope: 6x30mm


Item Weight: 22 Pounds


Lens Coating Description: Glass


Product Dimensions: 40.6 x 43.1 x 61.4 inches


Item Weight: 22 pounds


Item model number: RP-400


Is Discontinued By Manufacturer: No


Date First Available: February 24, 2011


Manufacturer: Carson


Country of Origin: China


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Apr 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Optically decent, but mechanically - be good at tweaking
Set: Telescope Style: RP-400
I'm close to 30 years as an amateur astronomer, and 40 as a tinkerer. First off, the boxes were all falling apart when this was delivered. Everything seemed to be intact, but the COUNTERWEIGHT was completely missing. I cobbled a weight up out of stuff most people wouldn't have lying around. Have emailed Carson to get a weight. Might have to update about customer service. As for the scope itself, the optics aren't bad at all - much better than I expected. At less than 100x, I was able to make out the two equatorial bands and a hint of other bands on Jupiter, and the seeing wasn't all that great at the time. I pushed the scope to 200x (the theoretical limit, and then some) on Saturn, and it held the detail quite well! Keep in mind, I was not using the supplied eyepieces, but some decent grade Plossls from Meade and and others - and a Meade shorty 2x barlow. The finderscope is junk, really. Get a right angle correct image one, 6x30 or larger. A standard finder base (orion, and universal) will fit the holes that take the supplied finder, but you'll have to take out the three screws that hold the focuser assembly in place and remove it to get at the screw assembly thing.Didn't even try the eyepieces because I have a good collection of far better ones. I also ordered a better diagonal (the instructions call it a "corner" lens) because these cheap ones are not very good. The tripod is very stable - just needs a flat spot for a bubble level. The biggest issue, for me, was that the Declination lock bolt wouldn't actually lock the shaft, making for a tough time finding and staying on target. The end of the bolt wasn't flat, so I switched it with the too-short latitude lock bolt, and that fixed it. I suppose you could file it. Would I recommend this scope? Yes, if you're good at noodling out minor mechanical problems. In this hobby, one kinda has to. The scope I'd give a 4.5, but the mount gets a 3.5 (for poor hardware choices), hence the 4 stars. The packaging, however, was ridiculously bad. UPDATE: Customer service was on point - emailed Carson a bout the weight and they got it right out to me. Also...If you want to add a clock drive, it can indeed be done! Celestron Logic drive has the right gearing, but the mounting of it takes some modification that many people may not want to undertake. It's fairly easy to do though, and interested parties may contact me for details at carwilef7@comcast.net ... show more
Reviewed in the United States 🇺🇸 on August 26, 2022 by David Carwile

  • Good for amateur astronomy
Set: Telescope Style: RP-100
I suggest getting a 2x barlow. Im not sure if its a parabolic mirror but images look good. The pic is with the svbony 105. And i could see Jupiter and its moons. However, its a small image ...the image was this size 0 but the moon especially with the 2x barlow was cool for a 150$ telescope. Get a collimator and to learn from it is a start....my next purchase now that i know a little more is a 130mm zhumell ... show more
Reviewed in the United States 🇺🇸 on May 2, 2022 by H.Torres H.Torres

  • Nice introduction scope for kids
Set: Telescope + Phone Adapter Style: RP-100
This telescope is great for kids getting used to a telescope and learning how to look through an eyepiece. I didn’t expect very much at such a low price, but I was pleasantly surprised at the appearance. It’s great for kiddos, but I don’t know about avid star watchers. Prepare to look up directions on the internet, though. It only came with directions on how to set up the phone adapter. Nice first telescope for kids at an affordable price. ****EDIT*** I bought this telescope for 26 dollars and change. My previous 4 star review was based on that price. Now it's jumped to $136.00!!! That's insane. I can see the moon and the atmosphere of Jupiter, but I never would've bought this telescope for $136.00. It is INCREDIBLY shaky even with a weight. I enjoy using it, but I think a $110 jump in two weeks since I bought it is insane. I was really upset too because I wanted to buy one for my nieces and I can't afford this new price. ... show more
Reviewed in the United States 🇺🇸 on May 18, 2018 by MusicLives

  • Telescope assembly is pretty easy even without the instructions
Set: Telescope + Phone Adapter Style: RP-200
I didn't like the cellphone attachment to me it not made or designed well enough I have a galaxy note s10 plus and the optics is not aligning well with the phone to place on the telescope 🔭 and see anything other than that the telescope 🔭 itself is pretty good to use just have to see the results in the night sky. ... show more
Reviewed in the United States 🇺🇸 on January 15, 2022 by omari daniels

  • Great for beginners
Set: Telescope + Phone Adapter Style: RP-200
Works great. Easy to use. Fun to explore the night sky. Would recommend.
Reviewed in the United States 🇺🇸 on August 25, 2021 by Erik 808

  • This is not a bad starter scope
Set: Telescope Style: RP-200
i do not know who gave it a one star rating but they did not have the courtesy to write a review. And that says alot Few scopes at this price have slow motion controls and a finder scope. It is not a bad unit for wide field viewing and it is very light weight. Suggest better eyepieces and tripod/mount for those getting further interested in viewing the skies ... show more
Reviewed in the United States 🇺🇸 on February 14, 2020 by Sojourneyer

  • and sturdy. Possibly a bit much for an 11 year ...
Set: Telescope Style: RP-400
Bought for my grandson, who is also named Carson. The scope turned out to be HUGE, and heavy. The plan is to drag it to a beach house on Dauphin Island AL, and use it for some star gazing and maybe people watching if it will do that. Just looking at it on Christmas, it seems to be well made, and sturdy. Possibly a bit much for an 11 year old ... but he'll get older. We'll see. ... show more
Reviewed in the United States 🇺🇸 on January 6, 2015 by Michael J. Greener

  • Good starter telescope
Set: Telescope Style: RP-200
My wife wanted this for camping. It sets up easy and gives you a decent view of the sky. There is no case with it, but for the price it is a good buy. We will get a larger telescope later once our son gets older. We don't have to worry too much about him using this one. It is pretty sturdy, and not too expensive so the risk are reasonable. ... show more
Reviewed in the United States 🇺🇸 on March 26, 2014 by R. Minion

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