William Optics
William Optics FLAT 73A
William Optics FLAT 73A
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- RazorPay Secure Payment & EMI
- All India Fast & Free Shipping
- Replacement Guarantee
- Flattener Power
- 1.0 x
- Lens Type
- 2 Groups 2 Elements
- Optical Length
- Flattener 39.5 mm + Rotator/Adapter 26 mm
- Telescope Thread
- M63 x 1 x 6 mm
- T-mount Thread
- M48 x 0.75 x 4 mm
- T-Mount Support
- Canon EF, RF Nikon F, Z Sony E Pentax K MFT (M4/3) FUJI X
- Camera Format
- Full Frame APS-C M4/3
- Weight
- 328.8 g / 0.0 lbs
Zenithstar 73
- Back Focus
- 66.2mm
- Adjust Distance
- 11.4mm
- Image Circle
- ∅43mm
Flattener compatibility table
 |
FLAT 61A
1.0x |
FLAT 73A
1.0x |
FLAT GT
1.0x |
FLAT 6AIII
0.8x |
FLAT 68III
1.0x |
FLAT 7A
0.8x |
FLAT 8
0.72x |
Ultra 132
0.79x |
Ultra 156
0.79x |
Dr. Flat
0.8x |
|---|---|---|---|---|---|---|---|---|---|---|
| GS-61 | ★ | |||||||||
| Z-61 | ★ | |||||||||
| Z-73 | ★ | |||||||||
| Z-81 | ★ | |||||||||
| Z-126 | ★ | ★ | ||||||||
| GT-71 | ★ | ★ | ||||||||
| GT-81 | ★ | ★ | ||||||||
| GT-81 WIFD | Adapter | ★ | Adapter | |||||||
| GT-102 | ★ | ★ | ★ | |||||||
| GT-153 | ★ | ★ | ★ | |||||||
| FLT-91 | Adapter | Adapter | ||||||||
| FLT-120 | ★ | Adapter | ||||||||
| FLT-132 | ★ | ★ | ★ | ★ | ||||||
| FLT-156 | ★ | ★ | ★ | ★ | ||||||
| RC Series | ★ | |||||||||
| Pleiades Series | No Flattener Required | |||||||||
| Cat Series | No Flattener Required | |||||||||
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Delivered within 4 weeks.
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Research It
Find the product you want.
Talk to Us
Get expert guidance fast.
We Source It
Delivered within 4 weeks.
Enjoy It
Be happy with your gear.
Got a question?
what we get asked most often
Are the prices all-inclusive?
Yes. The price you see is the price you'll pay. All taxes are included. Free shipping on all orders.
What's the stock status of the products on your site?
We list only in-stock items on our website that can be shipped right away. Sold out products are out of stock, so you can't place an order.
Selected products are available for Preorder, with a guaranteed delivery within 30 days or your money back.
How fast do you ship?
We process and ship all orders within two business days. Shipping time is determined by the speed of the shipping partner.
Is there a guarantee on your products?
Yes. On top of the manufacturer's warranty, we also offer a Replacement Guarantee on all online orders. In the event that the product is defective or damaged during shipping, you will receive a replacement.
Can I cancel my order?
We'll refund you 90% if you cancel before dispatch. Cancellations after dispatch are complicated. Take a look at the our Policy here
What's your return policy?
We have strict return/refund policies as a company that deals with fragile products. Casual returns are not permitted. Items that are not damaged in transit or defective cannot be returned.So please take a moment to review our Refund Policy.
Could I order something that's out of stock or not listed?
If you are interested in ordering an out-of-stock item, click the "notify me" button. You will be notified when the item is back in stock.
To source a specific product for you, our team needs more information. Specific orders will be subject to case-by-case terms and conditions.
