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Sky-Watcher 0.77 Reducer / Flattener for Esprit-150ED
As a high-powered stargazing tool, this 0.77 Reducer / Flattener from Sky-Watcher is a must-have for astrophotographers utilising the Esprit-150ED Professional Super APO Triplet Refractor OTA. In short, the field flattener accurately corrects the inherent spherical aberration of curved lenses. Without such a tool, image quality is lessened as the frame appears distorted at the edges of the field of view. When used as a focal reducer, you are afforded a key reduction More
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Finance options available
As a high-powered stargazing tool, this 0.77 Reducer / Flattener from Sky-Watcher is a must-have for astrophotographers utilising the Esprit-150ED Professional Super APO Triplet Refractor OTA. In short, the field flattener accurately corrects the inherent spherical aberration of curved lenses. Without such a tool, image quality is lessened as the frame appears distorted at the edges of the field of view. When used as a focal reducer, you are afforded a key reduction in the focal ratio of the scope. By doing so, you are left with a wider field of view with shortened exposure time, allowing for more images to be captured in a shorter amount of time without affecting their overall quality.
Sky-Watcher 0.77 Reducer / Flattener for Esprit-150ED Key Features:
- Solely compatible with the Esprit-150ED Professional Super APO Triplet Refractor OTA
- Specifically suited to astrophotographers and astroimaging
- Promises to essentially eliminate spherical aberrations
- Actively shortens the focal ratio from f7 to f5.4
- 68% reduction in exposure time
- Compatible with APS-C and full frame cameras
- Full frame camera produces 2.54 x 1.7° field of view
- APS-C crop sensor produces 1.66 x 1.11° field of view
- Consists of a sizeable 36mm imaging circle
- Produces a fully illuminated
- 90mm or 55mm back-focus (with back focus spacer and M48 ring)
- Implements a 2” filter thread
- Suited to a vast array of filters such as moon, polarizing, and light pollution
What’s in the box?
- 1 x Sky-Watcher 0.77 Reducer / Flattener for Esprit-150ED
- 1 x Back Focus Spacer
- 1 x M48 Thread Adapter
- 2 x Threaded Cap
- Limited 2-Year Warranty
FAQs:
Does the Sky-Watcher 0.77 Reducer / Flattener come equipped with end caps?
This astrophotography tool does come equipped with green anodised aluminium screw-on end caps.
How many optical elements are implemented within the design?
The 0.77 Reducer / Flattener utilises three key optical elements within its internal design.
How heavy is this device?
The Sky-Watcher 0.77 Reducer / Flattener weighs 910g with threaded caps attached.
Back to topProduct Specification
Type | Focal Reducer/Field Flattener |
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Available used from {{accessory.AccessoryUsed.UsedStartingPrice}}
Your flexible credit options available
Interest Bearing
with a choice of repayment plans over 12, 24 or 36 months 13.9% APR (representative)Buy now pay later
36 month loan with a six month deferral period, 18.9% APR (representative)Interest Bearing Finance
This option comprises term loan with a choice of repayment plans over:
- 12 months
- 24 months
- 36 months
The balance of the finance agreement is payable directly to Novuna Consumer Finance in equal monthly instalments by monthly direct debit. The direct debit payments will commence at the end of the first month following receipt of your goods. The interest rate charged is 13.9% APR (representative). Late payment and early repayment penalties apply; full details of these will be provided in the loan agreement pack.
For customers based in the Channel Island, please call us to apply for finance
12 Months | 24 Months | 36 Months | |
---|---|---|---|
Cash price | £329.00 | £329.00 | £329.00 |
Deposit | £0.00 | £0.00 | £0.00 |
Loan Amount | £329.00 | £329.00 | £329.00 |
Monthly Instalment | 11 x £29.40 | 23 x £15.65 | 35 x £11.10 |
Final Instalment | £29.40 | £15.65 | £11.10 |
Total Amount Repayable | £352.80 | £375.60 | £399.60 |
Representative | 13.9% APR | 13.9% APR | 13.9% APR |
Buy now pay later
The Buy Now Pay Later option comprises a 36 month loan following a six month deferral period.
During the six-month deferral period, it is possible to pay off the loan, either by way of a lump sum or in smaller amounts. If the loan is partially repaid within six months, the remaining interest will be adjusted to reflect the new balance. If the loan is fully repaid within the six-month deferral period, then no interest is payable, however, a £29 early settlement fee is payable in respect of repayments within these six months.
Following the six-month deferral period, Novuna Personal Finance will initiate a monthly direct debit payment for the remaining duration of the loan. Interest will be charged at a rate of 18.9% APR (representative) on outstanding balances (backdated to the first date of the loan). Novuna Personal Finance will send a reminder letter approximately one month before the six-month deferral period is due to elapse.
For customers based in the Channel Island, please call us to apply for finance
Balance settled in full within the six month deferral period | Balance NOT settled in full within the six month deferral period | |
---|---|---|
Cash price | £300 | £300 |
Deposit | £0 | £0 |
Loan Amount | £300 | £300 |
Settlement fee | £29 | £0 |
Settlement payment | £329 | - |
Monthly Instalment | - | 36 x £11.57 |
Total Amount Repayable | £329 | £416.52 |
Representative | 18.9% APR | 18.9% APR |