£255.08

Carson CARSON RP-400 REDPLANET 50-100 X 90MM REFRACTOR TELESCOPE

RP-400

Price data checked 5 days ago

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

This is the usual price. Wait for it to drop, or tell us your number.

£255 today · usual range £239–£257 · best ever £239

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 86 days • 86 data points (No recent data available)

Historical
Generating forecast...
£256.94 £236.84 £241.23 £245.61 £250.00 £254.38 £258.77 22 February 2026 15 March 2026 05 April 2026 26 April 2026 18 May 2026

Price Distribution

Price distribution over 86 days • 3 price levels

Days at Price
Current Price
12 days 19 days · current 55 days 0 14 28 41 55 £239 £255 £257 Days at Price

Price Analysis

Most common price: £257 (55 days, 64.0%)

Price range: £239 - £257

Price levels: 3 different prices over 86 days

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.

Key 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

Product Specifications

Brand
Carson
Model
RP-400
Domain
Amazon UK
Release Date
22 September 2025
Listed Since
21 April 2012

Barcode

No barcode data available

Similar Products You Might Like

Carson Red Planet 76mm Reflector Telescope - 35-78x, 8lb Tripod
97% match

Carson Red Planet 76mm Reflector Telescope - 35-78x, 8lb Tripod

Carson

Out of Stock 10 Feb 2026
Celestron 21063 AstroMaster 90AZ Refractor Telescope, Dark Blue
97% match

Celestron 21063 AstroMaster 90AZ Refractor Telescope, Dark Blue

Celestron

£229.00 18 May 2026
Celestron 51630 Star Telescope Finderscope - Black and 94119-A 1.25 Inch Moon Filter
96% match

Celestron 51630 Star Telescope Finderscope - Black and 94119-A 1.25 Inch Moon Filter

Celestron

£39.46 09 Feb 2026
Celestron 22087 NexStar 90SLT-Mak Portable Computerised Maksutov-Cassegrain Telescope with Quick-release Fork-arm Mount, Accessory Tray and 'Starry Night' Special Edition Software, Grey
96% match

Celestron 22087 NexStar 90SLT-Mak Portable Computerised Maksutov-Cassegrain Telescope with Quick-release Fork-arm Mount, Accessory Tray and 'Starry Night' Special Edition Software, Grey

Celestron

£449.99 06 Feb 2026
Celestron 22097 NexStar 127SLT-Mak Portable Computerised Maksutov-Cassegrain Telescope, Grey
96% match

Celestron 22097 NexStar 127SLT-Mak Portable Computerised Maksutov-Cassegrain Telescope, Grey

Celestron

£539.00 11 May 2026
Carson Red Planet Series 35-78x76mm Newtonian Reflector Telescope with Universal Smartphone Digiscoping Adapter (RP-100SP), Small
96% match

Carson Red Planet Series 35-78x76mm Newtonian Reflector Telescope with Universal Smartphone Digiscoping Adapter (RP-100SP), Small

Carson

Out of Stock 17 May 2026
Science Can Telescope for Adults & Kids 70mm Aperture (16X-120X) High Powered Astronomy Telescope for Beginners with Adjustable Tripod and Phone Adapter Great Astronomical Gifts for Kids 8-12
96% match

Science Can Telescope for Adults & Kids 70mm Aperture (16X-120X) High Powered Astronomy Telescope for Beginners with Adjustable Tripod and Phone Adapter Great Astronomical Gifts for Kids 8-12

Science Can

£106.54 06 Feb 2026
Celestron 22463 Starsense Explorer DX 6” Smartphone App-Enabled Schmidt Cassegrain Telescope Works with StarSense App to Help You Find Stars, Planets & More – iOS/Android Compatible
96% match

Celestron 22463 Starsense Explorer DX 6” Smartphone App-Enabled Schmidt Cassegrain Telescope Works with StarSense App to Help You Find Stars, Planets & More – iOS/Android Compatible

Celestron

£649.00 07 Feb 2026
Celestron Regal 80 F-ED Spotting Scope
96% match

Celestron Regal 80 F-ED Spotting Scope

Celestron

£625.00 11 Feb 2026
Celestron NexStar 130 SLT Telescope + AstroMaster Kit - 130mm
96% match

Celestron NexStar 130 SLT Telescope + AstroMaster Kit - 130mm

Celestron

£557.44 09 Feb 2026
Celestron 31045 AstroMaster 130EQ Newtonian Reflector Telescope, Dark Blue
96% match

Celestron 31045 AstroMaster 130EQ Newtonian Reflector Telescope, Dark Blue

Celestron

£275.00 10 Feb 2026
Celestron 22462 StarSense Explorer DX 5” Smartphone App-Enabled Schmidt-Cassegrain Telescope Works with StarSense App to Help You Find Stars, Planets & More – iOS/Android Compatible
96% match

Celestron 22462 StarSense Explorer DX 5” Smartphone App-Enabled Schmidt-Cassegrain Telescope Works with StarSense App to Help You Find Stars, Planets & More – iOS/Android Compatible

Celestron

£549.00 08 Feb 2026
Celestron 21048 PowerSeeker 80EQ Refractor Telescope - includes Two Eyepieces, Erect Image Diagonal, 3x Barlow Lens, Height-adjustable Tripod and Deluxe Accessory Tray, Black
96% match

Celestron 21048 PowerSeeker 80EQ Refractor Telescope - includes Two Eyepieces, Erect Image Diagonal, 3x Barlow Lens, Height-adjustable Tripod and Deluxe Accessory Tray, Black

Celestron

£140.52 10 Feb 2026
Celestron 31042 AstroMaster 114EQ Newtonian Reflector Telescope, Dark Blue
96% match

Celestron 31042 AstroMaster 114EQ Newtonian Reflector Telescope, Dark Blue

Celestron

£199.99 06 Dec 2025
Sky-Watcher Newton Telescope 114/900, EQ1 Equatorial Mount (Black)
96% match

Sky-Watcher Newton Telescope 114/900, EQ1 Equatorial Mount (Black)

Sky-Watcher

£159.80 15 Feb 2026
Celestron 21062 AstroMaster 70EQ Refractor Telescope, 36 Inch Tube Length, f/13 Focal Ratio, Dark Blue
96% match

Celestron 21062 AstroMaster 70EQ Refractor Telescope, 36 Inch Tube Length, f/13 Focal Ratio, Dark Blue

Celestron

£131.35 11 Feb 2026
Telescope with Red Dot Finder, Multi-Coated Astronomical Telescope with 50mm Aperture for Kids and Beginners, Retractable Tripod, with Phone Adapter
96% match

Telescope with Red Dot Finder, Multi-Coated Astronomical Telescope with 50mm Aperture for Kids and Beginners, Retractable Tripod, with Phone Adapter

Cowiewie

£29.99 06 Feb 2026
Bresser Messier Telescope AR-70/700 AZ with tripod and accessories
96% match

Bresser Messier Telescope AR-70/700 AZ with tripod and accessories

BRESSER

Out of Stock 06 Feb 2026
SOLOMARK 130EQ 130mm Telescope - EQ Mount, Barlow Lens, Moon Filter
96% match

SOLOMARK 130EQ 130mm Telescope - EQ Mount, Barlow Lens, Moon Filter

SOLOMARK

£269.99 10 Feb 2026
Celestron – StarSense Explorer 130mm Tabletop Dobsonian Smartphone App-Enabled Telescope – Works with StarSense App to Help You Find Nebulae, Planets & More – iPhone/Android Compatible
96% match

Celestron – StarSense Explorer 130mm Tabletop Dobsonian Smartphone App-Enabled Telescope – Works with StarSense App to Help You Find Nebulae, Planets & More – iPhone/Android Compatible

Celestron

£377.10 13 Feb 2026
Celestron31145NexStar130SLTPortableComputerisedNewtonianReflectorTelescope,Grey + DURACELL 2032 Lithium Coin Batteries 3V (4 Pack) - Up to 70% Extra Life - Baby Secure Technology - For Use in Key Fobs
96% match

Celestron31145NexStar130SLTPortableComputerisedNewtonianReflectorTelescope,Grey + DURACELL 2032 Lithium Coin Batteries 3V (4 Pack) - Up to 70% Extra Life - Baby Secure Technology - For Use in Key Fobs

Celestron

£504.00 12 Feb 2026
Stargazer Telescope for Adults And Beginners, 70mm Aperture 400mm Refractor Astronomy Telescope with Eyepieces, 3 x Barlow Lens, Adjustable Tripod, Carry Bag. Portable for Moon And Planets
96% match

Stargazer Telescope for Adults And Beginners, 70mm Aperture 400mm Refractor Astronomy Telescope with Eyepieces, 3 x Barlow Lens, Adjustable Tripod, Carry Bag. Portable for Moon And Planets

MYLEK

£52.99 05 Feb 2026
Celestron 51635 StarPointer Pro Finderscope, Black
96% match

Celestron 51635 StarPointer Pro Finderscope, Black

Celestron

£40.99 17 Feb 2026
Celestron 21064 AstroMaster 90EQ Refractor Telescope - includes Two Eyepieces, Erect Image Diagonal, Height-adjustable Tripod and Deluxe Accessory Tray, Dark Blue
96% match

Celestron 21064 AstroMaster 90EQ Refractor Telescope - includes Two Eyepieces, Erect Image Diagonal, Height-adjustable Tripod and Deluxe Accessory Tray, Dark Blue

Celestron

£140.99 10 Feb 2026