Player One S series filter using high quality optical glass substrate and multi-layer composite coating technology, which has excellent optical performance in astrophotography.
2 inch ERF filter ( Energy rejection filter for Quark Chromosphere）
This filter is an assistant filter, design for Quark Chromosphere (Ha verstion) , intend to reject energy and extend life time of your Quark.
2″ ERF filter must working on 6″ or smaller refractors.
(DO NOT use it on eyepiece for observing)
Why add a ERF on Quark?
First filter on Quark is quite small, the solar disk might bigger than it, the light will heat the filter and it’s holder. With this 2″ ERF filter, we can protect both the filter and filter holder from high temperature.
And don’t worry about the ERF itself, it’s use B270 transparent glass and multi coating, it will reflect not absort most energy.
Does it has any other usage?
Yes, this ERF filter also can be used in Lunar imaging, it will provide even brighter image than IR685 filter, also could improving the seeing.
Specifications: 2inch, thread M48*0.75
Frame thickness: body 5mm+ thread 2.5mm, a total of 7.5mm
Thickness of filter lens: 2.5mm
PV: 1/4 lambda
Bandwidth: ≈60nm
Transmittance: 97%
Blocking depth: OD4 (200nm-1100nm)
Software & Manual
Before the first usage of this product read Manuals and install correct Drivers and Softwares.
Warranty & Shipping Policy
Payment method
We provide Paypal and Paypal checkout on our website.
Shipping and Delivery
Shipping Fee:
- Amount >= 299USD : free express shipping
- Amount < 299USD : 29.9USD for express shipping
Shipping Services:
- We usually use DHL, UPS, FedEx, TNT for shipping.
- Make sure your email is correct, we maybe will contact with you through emails in case of emergency.
If customer wants to designate a shipping company or has special requirement, please send an email to support@player-one-astronomy.com and tell us your detailed requirement.
Shipping time:
- Usually 7-14 days.
- Tracking number will be updated in 3 days after paid.
For orders from areas where transportation is not easy, such as islands, town in mountainous regions, delivery time will be slightly longer.
Please send an email to support@player-one-astronomy.com immediately, if the following occurs:
- Shipping delayed or has some abnormal information.
- The packing is badly damaged on arrival, take pictures and do not sign.
Tax
- The price on our website without tax.
- Please note that buyers are liable to charge tax involved, such as Import tax, VAT, customs handling fee, etc.
- Those fees possibly will be collected at the time of delivery by courier.
For best experiences, we recommend customers to purchase our products form local dealers.
After-sales Service
Warranty Policy
2-year free warranty (time start from delivered) for Player One products. If the product has any issue, please send the image or video and description to support@player-one-astronomy.com for further check to confirm.
- Purchase from Player One official online store, we will provide warranty service directly.
- Purchase form dealer, we will provide warranty service through dealer.
Repair in warranty, customer only pay the shipping fee of shipping back the product to us or dealer, and no other extra fees.
Replacement Policy
You can request our Replacement Service:
√ Within 30 calendar days of receiving the product if the product does not match the original description of the product in one or more significant respects.
√ Within 30 calendar days of receiving the product if the product suffers performance failure.
Please contact our After-Sales team by email to support@player-one-astronomy.com within 30 calendar days of receiving the products. Player One shall be responsible for the two-way replacement freight for any products sent in for replacement due to performance faults.
Warranty and Replacement Policy Exceptions:
× Warranty service time or replacement service time expired.
× Legal proof-of-purchase, receipts, or invoices are not provided, or are reasonably believed to have been forged or tampered with.
× A product sent to Player One for replacement does not include all original accessories, attachments and packaging, or contains items damaged by user error.
× A product is found to have no defects after all appropriate tests are conducted by Player One.
× Any fault or damage of the product is caused by unauthorized use or modification of the product, including exposure to moisture, entry of foreign bodies (water, oil, sand, etc.) or improper installation or operation.
× Product labels or serial numbers show signs of tampering or alteration.
× Damage is caused by uncontrollable external factors, including falling down, fires, floods, or lightning strikes, etc.
× Proof of damage during transit issued by the carrier cannot be provided.
× Other circumstances stated in this policy.
In those situations, repair the product might have extra cost, we will estimate cost and email customer to know the information before send product back.
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