Shop Magazine
%SALE%
EN / $
✓ Europe's largest astronomy equipment retailer
✓ 7,500+ items available from stock
✓ Personal advice & service
✓ Best price guarantee
Your partner for astronomy
Telescopes Mounts Eyepieces Filters Telescope accessories Astrophotography Solar Observation Binoculars % SALE %
Telescopes > William Optics > Cat > William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
Product no.: 85223

Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA

$ 3,570.00 incl. VAT, plus shipping costs
too expensive?
short-term
ready for shipping in 3-5 weeks + lead time
Product questions?
advice for Telescopes
This product is available in the following variants:
Colour Price
black $ 3,570.00
red $ 3,570.00

Product description

More about the series Cat...

It not only matters which telescope you buy but also where you buy it. Our additional services:

  • We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
  • We provide a copy of the 80-page Telescope ABC beginners handbook with every telescope.

Specifications

Optics

Type
Refractor
Type of build
Apochromat
Aperture (mm)
91
Focal length (mm)
448
Aperture ratio (f/)
4,9
Resolving capacity
1,52
Limit value (mag)
12,3
Light gathering capacity
170
Max. useful magnification
182
Tube weight (kg)
6,3
Tube length (mm)
556
Tube material
Aluminium
Coating
multiple
Tube construction
Full tube
lens design
Quadruplet

Focuser

Tilting Adaptor
yes
Type of build
Helical
Connecting threaded socket (camera-side)
M48 / M54
Free aperture (mm)
55
Rotating
yes

Mount

Type of build
OTA
Mounting type
no mount

Included accessories

Dew Shield
yes
Carry case
yes
Miscellaneous
Bahtinov focus mask
Prism rail
yes
Thread for camera tripod
yes
Corrector
integrated
Eyepiece adaptor
1,25" & 2"

General

Series
Cat
Colour
black

Area of application

Astrophotography
yes (very good)
Moon & Planets
yes
Nature Observation
yes
Nebulae & galaxies
yes
Sun
no (Only with appropriate Sun filter)

Recommended for

Beginners
no
Advanced
yes
Observatories
no
show more...

Recommended accessories

Telescope accessories > Transport & storage (5)

Omegon aluminium case, large

$ 89.00*
+ Show more accessories in this category: 4
Telescope accessories > Other (5)

Omegon DUNEDRY dehumidifier

$ 29.90*
+ Show more accessories in this category: 4
Eyepieces (3)
Eyepiece

Omegon Ultra Wide Angle eyepiece 9mm 1,25"

$ 69.00*
+ Show more accessories in this category: 2
Eyepieces > Other (3)
Reticle eyepieces

Omegon Reticle eyepieces Illuminated crosshair eyepiece, 12.5mm

$ 89.00*
+ Show more accessories in this category: 2
Filters > Nebulae filters (4)
Filters

Omegon Filters Nebula/ city light filter 1.25 ''

$ 39.90*
+ Show more accessories in this category: 3
Filters > Other (3)
Filters

Omegon Filters Moon filter 1.25"

$ 19.90*
+ Show more accessories in this category: 2
Astrophotography > Cameras (13)
Camera

Omegon Camera GUIDE 2000 C Color

$ 199.00*
+ Show more accessories in this category: 12
Astrophotography > Camera adaptor (3)
Projection adapter

Omegon Camera adapter 1.25"

$ 24.90*
+ Show more accessories in this category: 2
Astrophotography > Camera mounts (3)

Omegon Easypic Universal Smartphone Adapter

$ 99.00*
+ Show more accessories in this category: 2
Astrophotography > Other (2)
Guidescope

Omegon Guidescope module finder

$ 99.00*
+ Show more accessories in this category: 1
Observatories (1)

Omegon Tent observatory

$ 189.00*
Media (2)
Star chart

Omegon Star chart Planisphere

$ 14.90*
+ Show more accessories in this category: 1
Outdoor (2)
Headlamp

Omegon LED headlamp

$ 13.90*
+ Show more accessories in this category: 1
Globes & Maps (1)
Continental map

Oculum Verlag Sky Quality Map Europe

$ 24.90*
Solar Observation (2)

Baader Sun filter foil 20 x 29 cm

$ 31.90*
+ Show more accessories in this category: 1
Maintenance & Cleaning > Lens cleaners (4)

Zoomion cleaning system

$ 7.90*
+ Show more accessories in this category: 3
Maintenance & Cleaning > Other (2)

Omegon microfibre cleaning cloth 20cm x 20cm

$ 5.90*
+ Show more accessories in this category: 1

*All prices include VAT plus shipping costs.

show more...
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA

Customer reviews

There are no customer reviews for this product yet.

Compose your own review

Do you have specific questions about your order or products? Please contact our customer service!

Add your review now

Customers who bought this product also bought...

William Optics Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA
$ 3,570.00
William Optics Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA
 ZWO Camera ASI 676 MC Color
$ 432.00
ZWO Camera ASI 676 MC Color
 ASToptics Dew heater 40cm (3"/4" telescopes)
$ 75.00
ASToptics Dew heater 40cm (3"/4" telescopes)
 William Optics Guidescope UniGuide 50mm Ultra
$ 226.00
William Optics Guidescope UniGuide 50mm Ultra
 ZWO Tripod TC40 for AM5 / AM3
$ 432.00
ZWO Tripod TC40 for AM5 / AM3
 ZWO AM5 N Harmonic Equatorial Mount
$ 2,940.00
ZWO AM5 N Harmonic Equatorial Mount