Sky-Watcher
Sky-Watcher 0.77x Reducer/Flattener for Esprit 150
(No reviews yet)
Write a Review
- SKU:
- SKW-S20215
Description
Sky-Watcher 0.77x Reducer/Flattener for Esprit 150
- 36mm fully illuminated field, compatible with both APS-C and full frame sensors
- 90mm back-focus (55mm when back focus spacer and M48 ring installed)
- Drops f/ratio from native f/7 (1050mm) to f/5.4 (810mm)
- Reduces exposure time by 68% compared to native f/7
- 2.54 x 1.7-degree field of view when used with a full frame camera
- 1.66 x 1.11-degree field of view when used with APS-C crop sensor
- Includes reducer, metal thread-on caps, back focus spacer and M48 thread adapter
- Built-in 2" filter cell for mounting filters into the light path
Related Products
Related Products
Sky-Watcher 0.77x Reducer/Flattener for Esprit 120
Sky-Watcher
Your price:
$680.00
Sky-Watcher 0.77x Reducer/Flattener for Esprit 120
34mm fully illuminated field but can handle full frame as well
95mm back-focus (55mm when back focus spacer and M48 ring installed)
Drops...
SKW-S20209
- SKU:
- SKW-S20209
Sky-Watcher 0.77x Reducer/Flattener for EvoStar 150DX
Sky-Watcher
Your price:
$680.00
Sky-Watcher 0.77x Reducer/Flattener for EvoStar 150DX
34mm fully illuminated field, compatible with both APS-C and full frame sensors
89mm back-focus (55mm when back focus spacer and M48...
SKW-S20208
- SKU:
- SKW-S20208
Sky-Watcher 0.85x Reducer/Flattener for EvoStar 72ED
Sky-Watcher
Your price:
$560.00
Sky-Watcher 0.85x Reducer/Flattener for EvoStar 72ED
Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended
55mm back focus
Drops f/ratio from native...
SKW-S20212
- SKU:
- SKW-S20212
On Sale
Sky-Watcher Esprit 150 ED APO refractor
Sky-Watcher
On Sale:
$9,450.00
Was:
$11,140.00
Sky-Watcher Esprit 150 ED APO refractor Included: Helinear Track focusing system with zero image shift. 8 x 50 right angle finderscope 2-inch Star diagonal 2-element field flattener Camera adapter...
SKW-S11430
- SKU:
- SKW-S11430
Sky-Watcher Field Flattener for EvoGuide 50
Sky-Watcher
Your price:
$140.00
Sky-Watcher Field Flattener for EvoGuide 50
Corrects for field curvature, allowing the Evoguide 50ED and 50DX to be used for astrophotography
Thread on metal caps
T-thread connection or...
SKW-S20214
- SKU:
- SKW-S20214
On Sale
Sky-Watcher Esprit 120 ED APO refractor
Sky-Watcher
On Sale:
$4,720.00
Was:
$5,620.00
Sky-Watcher Esprit 120 ED APO refractor Included: Helinear Track focusing system with zero image shift. 8 x 50 right angle finderscope 2-inch Star diagonal 2-element field flattener Camera adapter...
SKW-S11420
- SKU:
- SKW-S11420
On Sale
Sky-Watcher Esprit 80 ED APO refractor
Sky-Watcher
On Sale:
$2,290.00
Was:
$3,010.00
Sky-Watcher Esprit 80 ED APO refractor Included: Helinear Track focusing system with zero image shift. 8 x 50 right angle finderscope 2-inch Star diagonal 2-element field flattener Camera...
SKW-S11400
- SKU:
- SKW-S11400
On Sale
Sky-Watcher Esprit 100 ED APO refractor
Sky-Watcher
On Sale:
$3,510.00
Was:
$4,330.00
Sky-Watcher Esprit 100 ED APO refractor Included: Helinear Track focusing system with zero image shift. 8 x 50 right angle finderscope 2-inch Star diagonal 2-element field flattener Camera adapter...
SKW-S11410
- SKU:
- SKW-S11410
On Sale
Sky-Watcher Skymax 150
Sky-Watcher
On Sale:
$1,000.00
Was:
$1,190.00
Sky-Watcher Skymax 150
Maksutov-Cassegrain optical design
Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings
Corrector plate featuring Metallic...
SKW-S11530
- SKU:
- SKW-S11530