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BDSF: OD 3.8 Baader Digital Solar Filter (80mm to 280mm)

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Accessory
2459370
$116
*Size


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Highlights

NOT suitable for visual solar observation. Only use for digital imaging with all high-end telescopes and extreme tele-lenses (lucky imaging technique). Suitable for highest magnifications and detailed imaging of individual sunspots
AstroSolar PHOTO Film OD 3.8, mounted stress free in temperature compensated cell
No astigmatism during winter observation or with temperature changes in summer
Scope of Supply: BDSF (ASTF) Filter with apertures from 80 to 180mm (200 – 280mm not yet available) come with two sets of centering bolts in 38mm length. 3 bolts with 10mm diameter and 3 bolts with 20mm diameter, adjustable to the tube diameter of your telescope or dew cap. In addition three safety straps with glue-pads and three rubber plugs to cover the holes that are not used, mounting instructions.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

Items that have been opened, damaged or are otherwise unsaleable will be subject to a minimum 10% restocking fee, to be assessed by Telescopes Canada upon receipt of the returned goods

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Typographical Errors and Order Cancellations

Telescopes Canada reserves the right to cancel an order due to an error in pricing by Telescopes Canada or one of our suppliers, equipment being no longer obtainable, or other events which are out of our control.

Client-Initiated Cancellations

Client-initiated order cancellations are accepted prior to delivery of the equipment to the customer, thereafter it is a return.

80mm

Filter size 80 mm
Manufacturer Baader Planetarium
SKU (#) 2459370
EAN Code 4047825103420
AstroSolar Film AstroSolar Foto Folie
Optical Density 3.8
Inner Diameter / Clear Aperture (mm) 80
Outer Diameter 170
Filter mounted? Yes
Outer Clampingrange (10mm bolts) 110 – 140
Inner Clampingrange (10mm bolts) 130 – 160
Outer Clampingrange (20mm bolts) 100 – 130
Inner Clampingrange (20mm bolts) 140 – 170
Solar Wavelength Whitelight (integral light)


100mm

Filter size 100 mm
Manufacturer Baader Planetarium
SKU (#) 2459371
EAN Code 4047825103437
AstroSolar Film AstroSolar Foto Folie
Optical Density 3.8
Inner Diameter / Clear Aperture (mm) 100
Outer Diameter 190
Filter mounted? Yes
Outer Clampingrange (10mm bolts) 130 – 160
Inner Clampingrange (10mm bolts) 150 – 180
Outer Clampingrange (20mm bolts) 120 – 150
Inner Clampingrange (20mm bolts) 160 – 190
Solar Wavelength Whitelight (integral light)


120mm

Filter size 120 mm
Manufacturer Baader Planetarium
SKU (#) 2459372
EAN Code 4047825103444
AstroSolar Film AstroSolar Foto Folie
Optical Density 3.8
Inner Diameter / Clear Aperture (mm) 120
Outer Diameter 210
Filter mounted? Yes
Outer Clampingrange (10mm bolts) 150 – 180
Inner Clampingrange (10mm bolts) 170 – 200
Outer Clampingrange (20mm bolts) 140 – 170
Inner Clampingrange (20mm bolts) 180 – 210
Solar Wavelength Whitelight (integral light)


140mm

Filter size 140 mm
Manufacturer Baader Planetarium
SKU (#) 2459373
EAN Code 4047825103451
AstroSolar Film AstroSolar Foto Folie
Optical Density 3.8
Inner Diameter / Clear Aperture (mm) 140
Outer Diameter 230
Filter mounted? Yes
Outer Clampingrange (10mm bolts) 170 – 200
Inner Clampingrange (10mm bolts) 190 – 220
Outer Clampingrange (20mm bolts) 160 – 190
Inner Clampingrange (20mm bolts) 200 – 230
Solar Wavelength Whitelight (integral light)


160mm

Filter size 160 mm
Manufacturer Baader Planetarium
SKU (#) 2459374
EAN Code 4047825103468
AstroSolar Film AstroSolar Foto Folie
Optical Density 3.8
Inner Diameter / Clear Aperture (mm) 160
Outer Diameter 250
Filter mounted? Yes
Outer Clampingrange (10mm bolts) 190 – 220
Inner Clampingrange (10mm bolts) 210 – 240
Outer Clampingrange (20mm bolts) 180 – 210
Inner Clampingrange (20mm bolts) 220 – 250
Solar Wavelength Whitelight (integral light)


180mm

Filter size 180 mm
Manufacturer Baader Planetarium
SKU (#) 2459375
EAN Code 4047825103475
AstroSolar Film AstroSolar Foto Folie
Optical Density 3.8
Inner Diameter / Clear Aperture (mm) 180
Outer Diameter 210
Filter mounted? Yes
Outer Clampingrange (10mm bolts) 210 – 240
Inner Clampingrange (10mm bolts) 230 – 260
Outer Clampingrange (20mm bolts) 200 – 230
Inner Clampingrange (20mm bolts) 240 – 270
Solar Wavelength Whitelight (integral light)


200mm

Filter size 200 mm
Manufacturer Baader Planetarium
SKU (#) 2459376
EAN Code 4047825103482
AstroSolar Film AstroSolar Foto Folie
Optical Density 3.8
Inner Diameter / Clear Aperture (mm) 200
Outer Diameter 290
Filter mounted? Yes
Outer Clampingrange (10mm bolts) 230 – 260
Inner Clampingrange (10mm bolts) 250 – 280
Outer Clampingrange (20mm bolts) 220 – 250
Inner Clampingrange (20mm bolts) 260 – 290
Solar Wavelength Whitelight (integral light)


240mm

Filter size 240 mm
Manufacturer Baader Planetarium
SKU (#) 2459377
EAN Code 4047825103499
AstroSolar Film AstroSolar Foto Folie
Optical Density 3.8
Inner Diameter / Clear Aperture (mm) 240
Outer Diameter 330
Filter mounted? Yes
Outer Clampingrange (10mm bolts) 270 – 300
Inner Clampingrange (10mm bolts) 290 – 320
Outer Clampingrange (20mm bolts) 260 – 290
Inner Clampingrange (20mm bolts) 300 – 330
Solar Wavelength Whitelight (integral light)


280mm

Filter size 280 mm
Manufacturer Baader Planetarium
SKU (#) 2459372
EAN Code
4047825103444
AstroSolar Film AstroSolar Foto Folie
Optical Density 3.8
Inner Diameter / Clear Aperture (mm) 280
Outer Diameter 370
Filter mounted? Yes
Outer Clampingrange (10mm bolts) 310 – 340
Inner Clampingrange (10mm bolts) 330 – 360
Outer Clampingrange (20mm bolts) 300 – 330
Inner Clampingrange (20mm bolts) 340 – 370
Solar Wavelength Whitelight (integral light)

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